Tube core of tube bundle dryer with intermediate tubular shaft

The invention provides a tube core of a tube bundle dryer with an intermediate tubular shaft, belonging to the mechanical equipment technical field. The tube core comprises seal heads, a tube sheet, a support plate, fixed shovel angle steel, a heat exchange tube, a steam inlet shaft and a steam outlet shaft, wherein, the steam inlet shaft and the steam outlet shaft are welded on the seal heads at two ends respectively and in steam communication with the heat exchange tube through the tube sheet; a central tubular shaft passes through the support plate and two ends of the shaft are respectively welded on the tube sheet; and the shaft heads of the steam inlet shaft and the steam outlet shaft are respectively inserted into the central tubular shaft and welded with the central tubular shaft into a whole. In the invention, by adding the central tubular shaft, the gravity applied to the middle part of the heat exchange tube is transferred onto the intermediate tubular shaft through the support ...

Multiplex drive circuit

The invention discloses a multiplex drive circuit for receiving m main signals and n auxiliary signals, which comprises m driving units so as to generate m*n gate driving signals. Each of the driving units comprises a voltage upgrading stage for receiving a first main signal of the m main signals and converting the first main signal to a first high voltage signal, and n driving stages for receiving the corresponding n auxiliary signals. The logical high potential is promoted to the highest voltage by the voltage upgrading stage. Each of the n driving stages receives a first high voltage signal. When the first high voltage signal is the highest voltage, the n driving stages sequentially generate n gate driving signals according to the n auxiliary signals.

Fracturing process for enhancing low permeability reservoir deliverability

The invention relates to an oil field production technique, in particular to a fracturing method applied under the oil well to improve new well production capacity of low permeability reservoir before being brought into production. The fracturing reformation course at least comprises common fracturing technique and is characterized in that the method uses a compound application of more than two techniques of the use of acid fracturing liquid, or diversion agent or acid liquid and diversion agent by adopting high-energy gas fracturing technique; the upper sealed fracturing pipe is adopted during the working of hydraulic fracturing; the acid liquid is adopted during a pad fluid stage as the working liquid; the diversion agent is added for one or more times to seal fractured cracks; an increasing working flow rate is adopted before and after the adding of the diversion agent. The method of the invention can increase oil discharging area after fracturing, reduce expansion rate of clay minerals ...

Preparation method of sterile preparation of lipoalprostadil

The invention aims at providing a preparation method of a sterile preparation of lipoalprostadil. A sterile filtration method is adopted in a preparation technology of the lipoalprostadil for the first time, a microporous filtering film of 0.22 micrometer or a bag type filter is used for degerming and filtering the lipoalprostadil having an average grain diameter ranging from 100 nm to 300 nm at the temperature between 50 DEG C and 80 DEG C, and the sterile preparation of the lipoalprostadil is filled in hundred-level laminar flow environment. The preparation method can completely eliminate microorganisms in the preparation, ensure that the lipoalprostadil is completely filtered, effectively avoid the main medicine degradation of the lipoalprostadil for the traditional sterilizing technology and ensure that all the lipoalprostadils pass through the filtering film of 0.22 micrometer so as to reach the sterile requirement of the preparation.

Processing method of steel-base resin toothed-ring crude-forging

A method for processing roughly forged pieces of base-steel resin toothed rings comprises the following steps: firstly, selecting circular roughcast material according to the shape and the dimensions of a product to be forged; secondly, performing rough forging; thirdly, performing finish forging. The method has the advantages that the service life of dies is greatly prolonged by approximately 10times from 200-300 pieces per die to 3,000 pieces per die, so that the die cost for products is reduced to approximately 1/10 of the former cost, and the whole product has stronger market competitiveness.

Vibrating screen combobox for ore dressing in mining

The invention discloses a vibration screen combining frame used for selecting mines which comprise a screen frame (1) and a combining frame (4); the invention is characterized in that the combining frame (4) is sheathed with the screen frame (1) in parallel; the two end tips of the combining frame (4) and the screen frame (1) are respectively provided with a fixing block (3); the fixing block(3) at one end and the screen frame (1) are provided with a snap ring(2); the other end is provided with an external ribbing (5) and is matched and provided with a spherical nut (6) fastened with the outer ribbing (5). Compared with a common vibration screen frame, the vibration screen combining frame of the invention has the advantages of reducing the cracking accidents of the transverse frame of a screen body, prolonging the service life of the vibration screen, reducing the manufacture cost of an enterprise and increasing economic benefit, which is suitable for being used in the grading mine selection ...

Water-borne ultrathin intumescent fireproof and anticorrosive double-function coating for steel structure and preparation method thereof

The invention relates to a water-borne ultrathin intumescent fireproof and anticorrosive double-function coating for a steel structure and a preparation method thereof. Water-borne epoxy emulsion and self-crosslinking silicone-acrylic emulsion are used as a film forming substance, ammonium polyphosphate with high degree of polymerization, melamine and pentaerythritol are used as a fireproof auxiliary system, titanium pigment, sepiolite and alumina silicate fiber are added as a high temperature resisting filler, and expandable graphite flake is specially added as a fireproof and anticorrosive filler, and simultaneously, small amount of film forming auxiliary and water-borne antifoamer are added. The formed fireproof coating has high intumescence rate (as high as about 15 times), the limit of fire resistance up to 90 minutes (the thickness of the coating is 2mm), and excellent anticorrosive property simultaneously. The preparation method of the coating is simple, pollution-free, low in cost ...

Process for producing water-soluble closed isocyanic ester monomer

The invention relates to a method for preparing a water-soluble blocked isocyanate monomer, which solves the problems that free isocyanate groups in polyurethane adhesives and coatings are high in reaction activity, sensitive to moisture, and the like. The preparation method comprises the steps of blocking isocyanate groups (-NCO) by use of sodium bisulfite as an end-blocking agent under certain conditions so as to obtain a water-soluble isocyanate monomer and then preparing the water-soluble blocked isocyanate monomer by a one-step method according to that the molar ratio of NCO to HSO3<-> is between 1:1 and 1:1.3. The water-soluble blocked isocyanate monomer can be used for preparing various single-component adhesives and coatings, has the advantage of prolonging the service period and storage period of the adhesives and the coatings, and can be widely applied in the fields of coatings, adhesives, cladding materials, and so on for enameled wires, fabrics, leather, paper, wood, metal, ...

Method, system and computer for realizing temperature control

The invention provides a method, a system and a computer for realizing temperature control, wherein the method includes the steps: controlling an arbitration module to receive an identification signal after a system fan group is in an uncontrolled state and judging that a fan control module owning the current control power of the system fan group loses the control power according to the identification signal; judging that the other fan control module which independently runs obtains the control power according to the identification signal, sending a control signal sent from the fan control module which independently runs to the system fan group and controlling the output power of the system fan group. The embodiment applying the technology provided by the invention only needs adding one or several fan control modules which are independently work, and the other fan control module can obtain the control power when one fan control module fails, thereby the system noise over standard caused ...

Low-carbon high-strength hot rolling wire with compound reinforced ultrafine grains and its production process

The compositely strengthened low carbon hot rolled wire with superfine crystal grain has the chemical components of C 0.17-0.25 wt%, Mn 0.60-1.60 wt%, P less than 0.02 wt%, S less than 0.025 wt% except Fe and inevitable impurity. It has compound metallurgical phase comprising ferrite in crystal grain size of 4.5-7.5 microns as main component, bainite in 5-20 % and small amount of pearlite. The production process of the hot rolled wire includes rolling process comprising heating billet at 950-1000 deg.c, roughing at initial temperature 950 deg.c and final temperature 800 deg.c, intermediate rolling at 800-820 deg.c, finish rolling at initial 760-800 deg.c and final 840-900 deg.c in a water cooled rolling mill; and after-rolling cooling process. The present invention has excellent comprehensive mechanical performance, and may be used to replace similar low alloy high strength steel bar for greatly lowered cost and steel recovering performance.

method for making ultrafine grained steel

The invention discloses a method for making ultrafine grained steel, comprising the steps of: heating carbon steel to a temperature of 1200-1240DEG C to carry out austenization, wherein the carbon steel contains 0.02-0.20% of carbon and 0.40-1.60% of manganese by mass fraction; controlling to roll by using an austenite recrystallization area and an austenite non-recrystallization area; performing another deformation near an Ar3 temperature by combining the deformation induced ferrite transformation technology so as to restrain the reverse transformation from the ferrite to the austenite after twice transformation, accumulate mass storage energy of the second transformation, increase the nucleation points of the ferrite, and promote the increase of the volume fraction of the ferrite; and finally cooling to a temperature of 600-650DEG C at a cooling speed of 1-10DEG C/micron for air cooling. The ferrite grain dimension of the prepared ultrafine grained ferrite steel is less than 3.0 microns ...

Rubber composition as rubber pad under rail

A composite rubber used as rubbe pad under rail contains matrix rubber 100 portions, promoter 1-5 portions, antiageing agent 1-3 portions, nanometre zinc oxide powder 2-10 portions, sulfurizing agent, 0.2-1.5 portions carbon black 30-60 portions, inorganic filler 30-60 portions, tetra-acicular zinc oxide eshisker 0.5-10 portions and coupling agent 0.2-5 portions. The said matrix rubber consists of natural rubber, styrene-butadiene rubber and cis-1,4-polybutadiene rubber. Its advantages are high static rigidity (50-70 mN/m), tensile strength, antiwear performance, vibration attenuation coefficient and noise-reducing effect.

Shock-isolation support horizontally locked by numerical control jacks

The utility model belongs to the technical field of structural engineering, in particular to a shock-isolation support horizontally locked by numerical control jacks. The device comprises a concrete support, a shock-isolation support, numerical control jacks, entering-blocking steel plates, transmission rods, an acceleration transducer, a power and signal device and an upper-structure bottom plate, wherein the shock-isolation support is positioned on the concrete support, four entering-blocking steel plates are vertically arranged close to the surroundings of the shock-isolation support, and the bottom edges of the four entering-blocking steel plates are hinged with the concrete support; four numerical control jacks are arranged around the shock-isolation support, are fixed on the concrete support, and are corresponding to the four entering-blocking steel plates; transmission rods are connected with the corresponding numerical control jacks and the corresponding entering-blocking steel ...

Zoledronic acid composition for injection and preparation method thereof

The invention provides a zoledronic acid composition for injection. The zoledronic acid composition for injection is prepared by the following steps of: 1) preparing medicinal liquid, namely selecting zoledronic acid and trisodium citrate as raw materials according to the weight ratio of the zoledronic acid to the trisodium citrate of 1:0.5-2, weighing a proper amount of the raw materials and placing the raw materials into a preparation tank, adding water for injection until the weight of the solution is 250 to 1,250 times that of the zoledronic acid, stirring the solution to dissolve the raw materials and mixing the raw materials uniformly and adjusting the pH value of the solution to be 4.0 to 6.0; 2) performing active carbon finishing; 3) performing adsorption; 4) performing aseptic filtration and subpackaging; and 5) performing vacuum freeze drying to obtain the zoledronic acid composition for injection. By the zoledronic acid composition for injection and the preparation method thereof ...

Ganling Dan (a ready-made Chinese medicine for curing hepatic disease in a form of powder or pellet)

The present invention belongs to a Chinese already-prepared medicine. It is a Chinese medicinal powder made up by using Huo Xue Dan (a drug used to activated blood flow), Jie Gu Dan ( a drug used for bone-knitting), tielangji (a Chinese medicinal herb), cohosh root, herb of Shiny Bugleweed or Hirsute Shing Bugleweed, toddalia asiatica, large-leaf gentian root, Niuziqi (a Chinese medicinal herb), dried rhizoma of Paris polyphylla, clematis root, burreed tuber, ground beetle, Sichuan dipsacus root, spatholobus stem, dragon's blood, herb of common heron's bill, drynaria rhizome, chuanxiong rhizome, rhubarb, safflower, psoralea fruit, pyrite, achyranthes root, Chinese angelica root, frankincense and myrrh as raw materials, and making them pass through the processes of roasting or drying in the air, pulverizing, proportioning and baking again.

Wine for enlivening the spleen, qi-benefitting and prolonging life

A body strengthening wine to strengthen the spleen and replenish qi pertains to a body strengthening wine and consists of 30g of Chinese wolfberry, 60g of codonopsis, 60g of fresh rehmannia root, 90g of tuckahoe, 90g of atractylodes, 50g of white peony root, 30g of angelica, 60g of monascus , 30g of chuanxiong rhizome, 240 g of longan meat, 1500 milliliters of sorghum wine and 500 g of rock sugar. The wine has the production method that the first ten drug materials are ground into rough meals and put into a cloth bag; the cloth bag with the rough meals is put into a container and then added with the sorghum wine; the container is sealed; after a marinating of five to seven days, a clarifying wine liquid is filtered out and added with the rock sugar; after the rock sugar is melted, the wine is produced out. The pharmaceutical substances in the recipe are all natural Chinese herbal medicine and the preparation method is easy to be operated. The materials are easy to be obtained, the recipe ...

Fire-proof and corrosion-proof dual-function paint for water-based ultrathin expansion steel structure and preparation method thereof

The invention relates to fire-proof and corrosion-proof dual-function paint for a water-based ultrathin expansion steel structure and a preparation method thereof. Water-based epoxy emulsion and self-crosslinking silicone-acrylic emulsion are taken as film forming substances, high-polymerization ammonium polyphosphate, melamine and pentaerythritol are taken as fire-proof aid systems, titanium white, sepiolite and alumina silicate fiber which are added are taken as high temperature-resistant fillers, expansible graphite flake is particularly added and is taken as a fire-proof and corrosion-proof filler and a small number of film forming aids and water-based antifoaming agents are added simultaneously. The formed fire-proof paint has high expansion rate (about 15 times), fire endurance of up to 90 minutes (the coating thickness is 2 millimeters) and has high corrosion resistance. The preparation method of the paint is simple and environmentally-friendly and has low cost and wide application ...

Waist belt and preparation method thereof

The invention provides a waist belt and a preparation method thereof, and relates to a belt or the waist belt, and provides the waist belt which is formed in one step by an injection molding machine and has the advantages of difficult extension of belt holes, better bending and stretching resistance and difficult deformation and the preparation method thereof. The waist belt is a one-step molded belt made of artificial rubber, wherein the artificial rubber can be TPU, EVA, PVC and the like. The method comprises the following steps of: mixing an artificial rubber material and required pigment to obtain a mixed material; putting the mixed material into a material drying barrel for drying to obtain the dried mixed material for later use; fixing a die on the injection molding machine; setting each parameter of the injection molding machine for later use; putting the dried mixed material into a storage barrel of the injection molding machine to form a body through plasticizing, ejecting, cooling ...

Display panel, colour optical filter and detecting method thereof

Q390D-Z35 low-alloy high-strength plank with thickness of 75mm and manufacturing method thereof

The invention discloses a Q390D-Z35 low-alloy high-strength plank with the thickness of 75mm and a manufacturing method thereof. The weight percentage of the chemical components of steel are as follows: C: 0.14 to 0.18 percent, Mn: 1.20 to 1.40 percent, Si: 0.10 to 0.30 percent, P: less than or equal to 0.015 percent, S: less than or equal to 0.005 percent, Nb: 0.010 to 0.030 percent, V: 0.010 to 0.030 percent, Al: 0.020 to 0.035 percent, and the balance Fe and inevitable impurities. When in rolling, the heating temperature of a continuous casting billet with the thickness of 220mm is 1200 to 1250DEG C, the billet heating time is 220 to 250min, and the tapping temperature is 1180 to 1230DEG C; and the rolling is controlled in two stages, each time of press rate of rough rolling is 10 to 20 percent, the finishing temperature is 1020 to 1050DEG C, the billet is roughly rolled into an intermediate billet with the thickness of 1.7 to 2.0 times of that of the finished product, the finishing ...

Correcting method for touch scanner with image sensor

A correction method for contact-type image sensor scanner includes setting up different scan conditions that the light intensity for scanning N times is 0-100%, scanning white standard bars, removinginvalid noise data from the obtained data, generating correction table, filling the invalid data of said correction table by interpolation, actual scan operating by the correction table, and digital filter operation. Its advantage is more uniform brightness distribution of image on scanning it.

Process for producing water-soluble closed isocyanic ester monomer

The invention relates to a method for preparing a water-soluble blocked isocyanate monomer, which solves the problems that free isocyanate groups in polyurethane adhesives and coatings are high in reaction activity, sensitive to moisture, and the like. The preparation method comprises the steps of blocking isocyanate groups (-NCO) by use of sodium bisulfite as an end-blocking agent under certain conditions so as to obtain a water-soluble isocyanate monomer and then preparing the water-soluble blocked isocyanate monomer by a one-step method according to that the molar ratio of NCO to HSO3<-> is between 1:1 and 1:1.3. The water-soluble blocked isocyanate monomer can be used for preparing various single-component adhesives and coatings, has the advantage of prolonging the service period and storage period of the adhesives and the coatings, and can be widely applied in the fields of coatings, adhesives, cladding materials, and so on for enameled wires, fabrics, leather, paper, wood, metal, ...

Safety computer and method for implementing same

This invention provides a safe computer and its realization method; wherein, the key is set safety rom driver in BIOS as communication bridge between security chip and BIOS, which is that send the command to control security chip from BIOS and corresponding data to TPM chip, monitor and drive TPM chip to execute command; after command, save the result to BIOS determined place to read by BIOS. That is security drive module sees to communicate with TPM chip directed, lets TPM chip on the request state and saves the executed result on BIOS determined place. Then, it ensure security function of TPM chip, and make BIOS need not to learn details of TPM chip.

Method, system and computer for realizing temperature control

The invention provides a method, a system and a computer for realizing temperature control, wherein the method includes the steps: controlling an arbitration module to receive an identification signal after a system fan group is in an uncontrolled state and judging that a fan control module owning the current control power of the system fan group loses the control power according to the identification signal; judging that the other fan control module which independently runs obtains the control power according to the identification signal, sending a control signal sent from the fan control module which independently runs to the system fan group and controlling the output power of the system fan group. The embodiment applying the technology provided by the invention only needs adding one or several fan control modules which are independently work, and the other fan control module can obtain the control power when one fan control module fails, thereby the system noise over standard caused ...

Process for producing nelarabine

The invention relates to a preparation method of nelarabine. The method comprises the steps: 2-amino-6-methoxy-9-Beta-D-(2, 3 ,5-tri-O-benzyl-arabinofuranose)-9H-tisopurine is taken as a raw material to react with a palladium catalyst and ammonium formate and for obtaining the nelerabine, wherein, the mol ratio between the ammonium formate and the 2-amino-6-methoxy-9-Beta-D-(2, 3, 5-tri-O-benzyl-arabinofuranose)-9H-tisopurine is 1: 1-30 and the weight ratio between the 2-amino-6-methoxy-9-Beta-D-(2, 3, 5-tri-O-benzyl-arabinofuranose)-9H-tisopurine and the palladium catalyst is 1: 0.01 to 0.5. A solvent used is C(1-3) alkyl alcohol and dimethyl formamide and the reaction temperature is 20 DEG C to 100 DEG C. The method is easy and convenient in process, has good product quality and high yield, and is applicable to industrialized production.

可信赖计算平台反映操作者在现场操作的实现方法和装置

The installation includes: devices of setting external mechanical or electrical states for setting up state of computer; detecting device for detecting state being set; CPU; storage device; based on state detected by the detecting device, control device implementing setting state of trusty computer platform. The method includes following steps: setting wanted state of trusty computer platform; reading out state set; based on the state, setting site operation as 'false' or 'true' by the control device. The invented installation is in low cost.

Method for preparing lipoalprostadil sterile preparation

The invention provides a method for preparing lipoalprostadil sterile preparation. The rotating sterilization technique is applied to the method for preparing lipoalprostadil for the first time. The method comprises the steps of using the rotating sterilization technique to sterilize an encapsulated lipoalprostadil Cillin-glass bottle, and in the process of sterilization, keeping the sterilizing temperature between 128 and 134 DEG C, maintaining the pressure between 165 and 210 kPa, and keeping for 300 to 600 seconds. The method of the invention can efficiently prevent the basic drug of the lipoalprostadil from degrading caused by traditional steam sterilization technique so as to meet the demand of sterilization.

Fracturing process for enhancing low permeability reservoir deliverability

The invention relates to an oil field production technique, in particular to a fracturing method applied under the oil well to improve new well production capacity of low permeability reservoir before being brought into production. The fracturing reformation course at least comprises common fracturing technique and is characterized in that the method uses a compound application of more than two techniques of the use of acid fracturing liquid, or diversion agent or acid liquid and diversion agent by adopting high-energy gas fracturing technique; the upper sealed fracturing pipe is adopted during the working of hydraulic fracturing; the acid liquid is adopted during a pad fluid stage as the working liquid; the diversion agent is added for one or more times to seal fractured cracks; an increasing working flow rate is adopted before and after the adding of the diversion agent. The method of the invention can increase oil discharging area after fracturing, reduce expansion rate of clay minerals ...

Sliding energy-saving device for motrocycle

The utility model relates to a sliding oil-saving device for motorcycles, which is additionally arranged between the back sprocket wheel and the buffer of a motorcycle. The sliding oil-saving device for motorcycles comprises a one-way pulley, rolling posts, springs and a wheel cover, wherein, the one-way pulley is fixedly connected with the back sprocket wheel, and at least three notches with wedge surfaces are arranged in the one-way pulley. The rolling posts are arranged in the notches and are pressed tightly by springs, and the inner ring of the one-way pulley and the sleeve ring of the buffer are in clearance fit. The utility model has the advantages of simple structure, convenient installation, reliable use and obvious oil-saving effect, decreases air pollution, and reduces engine abrasion.

Method for controlling pitting on surface of medium steel plate

The invention discloses a method for controlling pitting on the surface of a medium steel plate, which prevents the surface of the medium steel plate from generating the pitting by controlling the components of a billet and adopting different heating and descaling processes according to different components, wherein the billet comprises the following chemical components in percentage by mass: 0.08 to 0.20 percent of C, 0.13 to 0.20 percent of Si, 0.90 to 1.60 percent of Mn, less than or equal to 0.02 percent of P, less than or equal to 0.02 percent of S, 0 to 0.04 percent of Nb, 0 to 0.018 percent of Ti, 0.02 to 0.05 percent of Alt and the balance of Fe and impurities; for a steel grade containing microalloy, a method for reducing Si content, heating the steel at a high temperature, descaling at the high temperature and fast cooling the steel after rolling the steel is adopted; and for a steel grade containing no microalloy, a method for reducing Si content, heating the steel at a low temperature ...

Equipment control method and computer

The invention provides an equipment control method and a computer. The method comprises the following steps of: when an operating system is detected to access equipment with an interface of a first type, stopping the operating system in accessing a controller with the interface of the first type by using a virtual machine manager. In the scheme provided by the invention, the virtual machine manager stops the operating system in accessing the controller with the interface of the first type, so the interface of the first type is disabled and potential safety hazards are avoided.

Lansoprazole freeze-dried injection

The invention relates to a lansoprazole frozen powder injection agent and a preparation method thereof. The lansoprazole frozen powder injection agent prepared by the method can be taken as a medicine for treating gastric ulcer, duodenal ulcer, erosive gastroesophageal reflux disease, helicobacter pylori and Zollinger-Ellison Syndrome. The lansoprazole frozen powder injection agent prepared through taking a lansoprazole as an active ingredient, adopting crystallized filtration, freezing and drying. The preparation process comprises the following steps of: adding water for injection and alkalito the lansoprazole, stirring to dissolve and mix uniformly; performing the crystallized filtration; after measuring the content, adjusting pH value of filtrate; using the water for injection for fixing volume and a millipore filter with 0.22 mu m for filtration; filling, partially arranging corks, arranging in trays, freezing out, pressing the corks, taking out from boxes, rolling openings, checking ...

Production line of hollow gypsum ribbons

A production line of hollow gypsum ribbons is composed of mixer-stirrer set, shaping moulds, lifter, at least two movable shaping mould carriages and at least one sprayer for spraying out fibres whenmixed grout is poured for higher physical performance. Its advantages are continuous automation production, high productivity and efficiency and no environmental pollution.

Airplane disaster reduction device

The invention relates to a device, in particular to an airplane disaster reduction device. The device solves the problem that the explosion of fuel under intense impact leads to great loss in an air disaster in modern daily life. The airplane disaster reduction device mainly comprises a split plate which is arranged at the bottom of an oil tank and a split gate fixed on a fixed frame in a machine body, wherein the split plate and the split gate are separated by tensioning rods and are connected movably. Just a moment before an air disaster, while a pilot operates a driving rod to turn on a split gate, the split plate opens automatically under the action of gravity to discharge the fuel in a second. Thus, when an air plane is collided with the ground, explosion caused by intense impact on the fuel is avoided. The survival rate of people is improved greatly, the damage degree of the machine body is lowered considerably, and the damage caused after the air disaster is lowered to a minimum ...

Yin-nourishing body-building wine for reinforcing insufficiency, body-building and prolonging life

The invention discloses a nourishing Yin body building wine for deficiency nourishing, body building and life prolonging and belongs to a nourishing Yin body building wine. The composition is that: a fat black-boned chicken, 20 grams of medlar, 20 grams of angelica, 200 grams of Chinese date, 20 grams of ginger, and 2500 milliliters of white wine; preparation method: the chicken, the ginger, the medlar, the angelica and the Chinese date are put into a clay pot, and the whole white wine is poured into the clay pot with the pot mouth sealed by clay; the water is poured into another iron pot with the degree that the water can dip one half of the height of the clay pot; the medical pot is put into the iron pot, then the pot cover is placed; after being boiled, the liquid medicine can be taken out and is placed in the cool water to extract the fire-toxin, then the medicated wine is produced and is reserved. All the substances in the medicine formula are natural Chinese herbs and are produced ...

Wall pointer for buildings

The invention relates to a tool, in particular to a wall pointer for buildings. The wall pointer solves the problem of originally pure manual operation in the pointing process in the building industry in the prior art. The wall pointer realizes the mechanism of the pointing work, so the pointing link is greatly improved. The wall pointer comprises a mud cylinder for holding mud; a cylinder cover covers the mud cylinder; the center of the cylinder cover is provided with a nut; a T-shaped threaded rod is inserted in the nut; a piston is connected under the threaded rod; a cement extruding port and a wall point hook are additionally arranged under the mud cylinder; and the cement is filled in the mud cylinder, the cylinder cover is screwed, the threaded rod handle is rotated, the piston pushes the cement downwards, the cement is extruded through the extruding port, the wall pointer is moved, and the wall point hook compresses the cement. The wall pointer integrates a cement board and the wall ...

Separation plate type horizontal locking shock-isolation support

The utility model belongs to the technical field of structural engineering, in particular relates to a separation plate type horizontal locking shock-isolation support. The device comprises a concrete support, a shock-isolation support, a containment structure, advance-blocking steel plates, transmission rods, separation plates and an upper portion structure base plate. The shock-isolation support is arranged on the concrete support, four advance-blocking steel plates are arranged next to the periphery of the shock-isolation support in vertical mode, and the bottom edges of the four advance-blocking steel plates are hinged on the concrete support. The containment structure is arranged on the periphery of the shock-isolation support and performs reinforcement and pouring together with the concrete support, and four sides of the containment structure are respectively provided with a horizontal cavity and a plate inserting groove with an upward opening. The four separation plates are vertically ...

Rubber composition as rubber pad under rail

Method and apparatus for improved efficiency in an extended multiple antenna communication system

Medicament for treating damp-heat stasis blocking type endometriosis and preparation method thereof

The invention relates to a medicament for treating damp-heat stasis blocking type endometriosis and a preparation method thereof. The medicament comprises the following main raw materials: red paeony root, safflower, common burreed rhizome (processed with vinegar), zedoary (processed with vinegar), kelp, baical skullcap root, coix seed, ground beetle, mongolian dandelion herb, astragalus and nutgrass galingale rhizome (processed with vinegar). The preparation method comprises the following steps of: performing steam distillation on the zedoary processed with vinegar and utgrass galingale rhizome processed with vinegar to extract essential oil, performing clathration on the essential oil to obtain a clathrate compound, and collecting distilled aqueous solution by using a container; refluxing the red paeony root, the astragalus, the coix seed and the common burreed rhizome processed with vinegar by using ethanol and extracting and filtering, recovering the ethanol, and concentrating to obtain ...

Method for controlling pitting on surface of medium steel plate

The invention discloses a method for controlling pitting on the surface of a medium steel plate, which prevents the surface of the medium steel plate from generating the pitting by controlling the components of a billet and adopting different heating and descaling processes according to different components, wherein the billet comprises the following chemical components in percentage by mass: 0.08 to 0.20 percent of C, 0.13 to 0.20 percent of Si, 0.90 to 1.60 percent of Mn, less than or equal to 0.02 percent of P, less than or equal to 0.02 percent of S, 0 to 0.04 percent of Nb, 0 to 0.018 percent of Ti, 0.02 to 0.05 percent of Alt and the balance of Fe and impurities; for a steel type containing a microalloy, a method for reducing Si content, heating the steel at a high temperature, descaling at the high temperature and fast cooling the steel after rolling the steel is adopted; and for a steel type containing no microalloy, a method for reducing Si content, heating the steel at a low temperature ...

Low-carbon high-strength hot rolling wire with compound reinforced ultrafine grains and its production process

Potato starch graft emulsion, preparation and application thereof

The invention provides a potato starch graft emulsion which is formed by carrying out monomer graft polymerization on potato starch, unsaturated alkyl acid, styrene, methyl methacrylate, butyl methacrylate, butyl acrylate, hydroxypropyl methacrylate, hydroxy-ethyl methacrylate, acrylic amide, diacetone acrylamide and the like. The potato starch graft emulsion is taken as main film forming matter of paint and is added with conventional inorganic polymer filler which is adopted for preparing the paint, so that the prepared paint has the functions of decoration, humidity adjustment, permeability, heat preservation, moisture condensation prevention, water and alkali resistance, antibiosis and the like; meanwhile, the invention also can prevent a coating from falling off caused by various leakage and water condensation of a wall body, thus ensuring the coating to be more durable; and the potato starch graft emulsion does not contain organic solvent and is safer and more environment-friendly.

New application of carbonyl iron powder

The invention discloses a new application of carbonyl iron powder, in particular to the application of the carbonyl iron powder in the preparation of a magnetic medium for tumor magnetic thermotherapy. The diameter of the carbonyl iron powder can be 1-50 micro meters, and the preferred diameter is 7-10 micro meters. Compared with the prior art, the carbonyl iron powder is used for the arterial embolism magnetic thermotherapy medium, and can effectively prevent the curative effect from being influenced by the venous return of the medium, thereby ensuring high safety; the carbonyl iron powder has good biocompatibility, thus surface modification is not required; and temperature rise tests can show that the medium has good heating effect, thereby achieving good curative effect.

Ligustrazine nanoparticle, preparation method and pharmaceutical application thereof

The invention relates to a ligustrazine nanoparticle, a preparation method and pharmaceutical application thereof. The preparation method comprises the following steps of: dissolving polylactic acid in acetone to form a polylactic acid acetone solution; then dissolving ligustrazine in the polylactic acid acetone solution to form an oil phase; adding the oil phase to a surface active agent-contained aqueous phase solution which is at the constant temperature of 20-50 DEG C; after the two phases are mixed, stirring for 50-90min at the temperature of 20-50 DEG C to make acetone volatilize to obtain a ligustrazine nanoparticle solution. The invention has simple process, mild reaction condition, even manufactured particle size and narrow distribution. Moreover, adopted auxiliary materials are biodegradable and have good biocompatibility, no toxic or side effects and sufficient market raw materials. Wrapped in the nanoparticle, ligustrazine can stably and slowly release, can effectively prevent ...

Production line of hollow gypsum ribbons

Process for producing platinum

The invention relates to a preparation method of Miboplatin. In the preparation method, Cis-dinitrate ((1R, 2R)-1, 2-cyclohexanediamine)platinum (II) is taken as starting materials and added with purified water to react with myristate with a general chemical formula of CH3(CH2)12COOM (M refers to Na, K and NH4) for 0.5h to 8h, and then cooled to the room temperature, filtrated and dried to obtain the Miboplation, wherein, the reaction temperature is 10 DEG C to 80 DEG C; the purified water added is 5 times to 50 times the weight of the Cis-dinitrate ((1R, 2R)-1, 2-cyclohexanediamine)platinum (II); and the mol ratio of the Cis-dinitrate ((1R, 2R)-1, 2-cyclohexanediamine)platinum (II) and the myristate is 1:2.0 to 3.0. The preparation method uses no toxic solvent such as chloroform and the like and is simple in operation, high in quality of products prepared and yield and low in cost. Simultaneously, the preparation method is applicable to commercial production.

Improved air-adjusting door for circulating fluid bed boiler

The invention relates to an improved air-adjusting door for a circulating fluid bed boiler, which can ensure that a door panel is firm and highly stable and ensure that the air-adjusting opening is stable. The improved air-adjusting door comprises the door panel, a flange, a cylinder, a front connecting shaft, a rear connecting shaft, a front bearing seat, a rear bearing seat, a positioning plateand a connecting seat and is characterized in that the door panel is connected with the front connecting shaft and the rear connecting shaft; the front connecting shaft is exposed out of the end partof the cylinder and connected with a connecting sleeve; the connecting sleeve is connected with a handle which is provided with a mounting hole; a positioning device is mounted on the mounting hole; a positioning hole is disposed on the positioning plate; and an adjusting rod is close to the cylinder, exposed out of the handle and vertical to the plane of the positioning plate.

Lansoprazole freeze-dried injection

The invention relates to a lansoprazole frozen powder injection agent and a preparation method thereof. The lansoprazole frozen powder injection agent prepared by the method can be taken as a medicine for treating gastric ulcer, duodenal ulcer, erosive gastroesophageal reflux disease, helicobacter pylori and Zollinger-Ellison Syndrome. The lansoprazole frozen powder injection agent prepared through taking a lansoprazole as an active ingredient, adopting crystallized filtration, freezing and drying. The preparation process comprises the following steps of: adding water for injection and alkali to the lansoprazole, stirring to dissolve and mix uniformly; performing the crystallized filtration; after measuring the content, adjusting pH value of filtrate; using the water for injection for fixing volume and a millipore filter with 0.22 mu m for filtration; filling, partially arranging corks, arranging in trays, freezing out, pressing the corks, taking out from boxes, rolling openings, checking ...

Method for manufacturing Q390E-Z35 low-alloy and high-strength thick plate

The invention provides a method for manufacturing a Q390E-Z35 low-alloy and high-strength thick plate. The thick plate comprises the following chemical components in percentage by weight: 0.15-0.18% of C, 1.30-1.50% of Mn, 0.18-0.25% of Si, less than or equal to 0.015% of P, less than or equal to 0.005% of S, 0.020-0.035% of Nb, 0.020-0.050% of V, 0.020-0.035% of Al, and the balance Fe and inevitable impurities. The manufacturing method comprises the following steps: carrying out controlled rolling and controlled cooling on a continuous casting to obtain the thick steel plate; heating to the normalizing temperature of 870-900 DEG C; and preserving the temperature for about 2 hours and then carrying out air cooling on a cooling bed. The manufacturing method provided by the invention is used to carry out normalizing treatment on the steel plate produced by the controlled rolling and controlled cooling process, thus being capable of improving tissues of the steel plate, and improving properties ...

Alprostadil injection and preparation method thereof

The invention relates to an alprostadil injection and a preparation method thereof. The alprostadil injection has a prescription as follows: a, a main drug is alprostadil with concentration of 5mu g-15mu g/ml; b, an oil phase is soybean oil with concentration of respectively 10.0-12.0 percent; c, soyabean lecithin and poloxamer 188 are selected as emulsifying agents and have concentrations of respectively 1.0-1.8 percent and 0.02-0.2 percent; d, citric acid is adopted as a pH regulating agent with concentration of 5nM to 50Mm and pH of 5.0-6.0; e, glycerol is adopted as an osmotic pressure regulating agent with concentration of respectively 2.0-2.5 percent; and f, the balance is injection water.

Gate drive circuit and setting method thereof

The invention discloses a gate drive circuit and a setting method thereof, which are suitable for a plurality of serially connected gate drive modules arranged near a special region. The setting method comprises the steps of: arranging a first gate drive module outside the first side of the special region; arranging at least two serially connected gate drive modules outside the second side corresponding to the first side of the special region; and arranging a fourth gate drive module outside the first side, wherein the second gate drive module is one of the at least two serially connected gate drive modules, the third gate drive module is the last one of the at least two serially connected gate drive module, the output end of eh first gate drive module is electrically coupled to the second gate drive module, and the output end of the third gate drive module is electrically coupled to the fourth gate drive module.

Waist belt and preparation method thereof

The invention provides a waist belt and a preparation method thereof, and relates to a belt or the waist belt, and provides the waist belt which is formed in one step by an injection molding machine and has the advantages of difficult extension of belt holes, better bending and stretching resistance and difficult deformation and the preparation method thereof. The waist belt is a one-step molded belt made of artificial rubber, wherein the artificial rubber can be TPU, EVA, PVC and the like. The method comprises the following steps of: mixing an artificial rubber material and required pigment to obtain a mixed material; putting the mixed material into a material drying barrel for drying to obtain the dried mixed material for later use; fixing a die on the injection molding machine; setting each parameter of the injection molding machine for later use; putting the dried mixed material into a storage barrel of the injection molding machine to form a body through plasticizing, ejecting, cooling ...

Process for producing platinum

The invention relates to a preparation method of Miboplatin. In the preparation method, Cis-dinitrate ((1R, 2R)-1, 2-cyclohexanediamine)platinum (II) is taken as starting material and added with purified water to react with myristate having a general chemical formula of CH3(CH2)12COOM (M refers to Na, K and NH4) for 0.5h to 8h, and then cooled to the room temperature, filtrated and dried to obtain the Miboplation, wherein, the reaction temperature is 10 DEG C to 80 DEG C; the purified water added is 5 times to 50 times the weight of the Cis-dinitrate ((1R, 2R)-1, 2-cyclohexanediamine)platinum (II); and the mol ratio of the Cis-dinitrate ((1R, 2R)-1, 2-cyclohexanediamine)platinum (II) and the myristate is 1:2.0 to 3.0. The preparation method uses no toxic solvent such as chloroform and the like and is simple in operation, high in quality of products prepared and yield and low in cost. Simultaneously, the preparation method is applicable to industrial production.

Zoledronic acid composition for injection and preparation method thereof

The invention provides a zoledronic acid composition for injection. The zoledronic acid composition for injection is prepared by the following steps of: 1) preparing medicinal liquid, namely selecting zoledronic acid and trisodium citrate as raw materials according to the weight ratio of the zoledronic acid to the trisodium citrate of 1:0.5-2, weighing a proper amount of the raw materials and placing the raw materials into a preparation tank, adding water for injection until the weight of the solution is 250 to 1,250 times that of the zoledronic acid, stirring the solution to dissolve the rawmaterials and mixing the raw materials uniformly and adjusting the pH value of the solution to be 4.0 to 6.0; 2) performing active carbon finishing; 3) performing adsorption; 4) performing aseptic filtration and subpackaging; and 5) performing vacuum freeze drying to obtain the zoledronic acid composition for injection. By the zoledronic acid composition for injection and the preparation method thereof ...

Gel-sol antibacterial agent and its preparation and application

By means of sol-gel technology, the present invention prepares titanium-containing sol with tetrabutyl titanium as precursor. The sol is used in finishing cotton fabric through rolling-stoving-roasting process, and sol treated cotton fabric has excellent lasting antibiotic performance and negative ion releasing effect. The treating process has no side effect on the hand feeling and strength of the fabric.

Pipeline steel plate with low yield ratio, fine grains and high strength and production method thereof

The invention discloses a pipeline steel plate with low yield ratio, fine grains and high strength and a manufacturing method thereof, and steel in the pipeline steel plate comprises the following chemical components by weight percent: 0.03-0.10% of C, 0.10-0.30% of Si, 1.20-1.80% of Mn, not more than 0.015% of P, not more than 0.005% of S, 0.040-0.060% of Nb, 0.006-0.020% of Ti, 0.10-0.40% of Cr, 0.10-0.30% of Ni, 0.010-0.050% of Al and the balance of Fe and inevitable impurities. The manufacturing method adopts a converter for smelting, adopts the TMCP (thermo mechanical control process) and the two-phase region subthermal quenching treatment at 720-750 DEG C, thereby obtaining the pipeline steel plate with low yield ratio, fine grains and high strength; and the manufacturing method has stable production process, strong operability, low cost and high performances.

Processing method of steel-base resin toothed-ring crude-forging

A method for processing roughly forged pieces of base-steel resin toothed rings comprises the following steps: firstly, selecting circular roughcast material according to the shape and the dimensions of a product to be forged; secondly, performing rough forging; thirdly, performing finish forging. The method has the advantages that the service life of dies is greatly prolonged by approximately 10 times from 200-300 pieces per die to 3,000 pieces per die, so that the die cost for products is reduced to approximately 1/10 of the former cost, and the whole product has stronger market competitiveness.

30 nano magnetic film manufacturing technique

Method of vacuum deposition and technique of crystallization treatment without oxidation are adopted in the invention. The method includes following steps: mixing selected Ni, Co in high purity according to proportion l:2.3; carrying out film coating by vaporization; when vacuum degree being as 1.0X10 to the power -6 torr, heating desk for carrying sheets for 20 minutes to reach 450 deg.C, and at constant temperature for 5 minutes; controlling speed of vaporizing Ni, Co materials at 0.05 nano/sec. and thickness under 30 nano; through crystallization treatment without oxidation, anisotropic magnetic thin film is obtained. Magnetic sensor in micro power dissipation is produced after semiconductor planar technology being carried out.

PREPARATION FOR LETTING FOOT MORE EASY

The present invention discloses a feet comforting medicine preparing process in which 8.0-10.0 g of benzoic acid, 4.0-7.0 g of salicylic acid, 3.0-7.0 g of camphor, 0.1-0.2 g of furacillin and 0.1-0.2 g of diphenhydramine hydrochloride in powder form are in turn added into water solution of 70-80% alcohol in turn while stirring them till full dissolution. Filtering follows. The pH value of the resulted solutin is 5.5-6.5. The preparing is conducted at normal temp. and presure with simple technology, less cost and easily obtained raw materials.

Process for producing nelarabine

The invention relates to a preparation method of nelarabine. The method comprises the steps: 2-amino-6-methoxy-9-Beta-D-(2, 3 ,5-tri-O-benzyl-arabinofuranose)-9H-tisopurine is taken as a raw material to react with a palladium catalyst and ammonium formate and for obtaining the nelerabine, wherein, the mol ratio between the ammonium formate and the 2-amino-6-methoxy-9-Beta-D-(2, 3, 5-tri-O-benzyl-arabinofuranose)-9H-tisopurine is 1: 1-30 and the weight ratio between the 2-amino-6-methoxy-9-Beta-D-(2, 3, 5-tri-O-benzyl-arabinofuranose)-9H-tisopurine and the palladium catalyst is 1: 0.01 to 0.5.A solvent used is C(1-3) alkyl alcohol and dimethyl formamide and the reaction temperature is 20 DEG C to 100 DEG C. The method is easy and convenient in process, has good product quality and high yield, and is applicable to industrialized production.

Medicament for treating damp-heat stasis blocking type endometriosis and preparation method thereof

The invention relates to a medicament for treating damp-heat stasis blocking type endometriosis and a preparation method thereof. The medicament comprises the following main raw materials: red paeony root, safflower, common burreed rhizome (processed with vinegar), zedoary (processed with vinegar), kelp, baical skullcap root, coix seed, ground beetle, mongolian dandelion herb, astragalus and nutgrass galingale rhizome (processed with vinegar). The preparation method comprises the following steps of: performing steam distillation on the zedoary processed with vinegar and utgrass galingale rhizome processed with vinegar to extract essential oil, performing clathration on the essential oil to obtain a clathrate compound, and collecting distilled aqueous solution by using a container; refluxing the red paeony root, the astragalus, the coix seed and the common burreed rhizome processed with vinegar by using ethanol and extracting and filtering, recovering the ethanol, and concentrating to obtain ...

Method and device for realizing in situ operation of operator reflected by trustable computing platform

Powdered medicine for treating traumatic injury

Improved air-adjusting door for circulating fluid bed boiler

The invention relates to an improved air-adjusting door for a circulating fluid bed boiler, which can ensure that a door panel is firm and highly stable and ensure that the air-adjusting opening is stable. The improved air-adjusting door comprises the door panel, a flange, a cylinder, a front connecting shaft, a rear connecting shaft, a front bearing seat, a rear bearing seat, a positioning plate and a connecting seat and is characterized in that the door panel is connected with the front connecting shaft and the rear connecting shaft; the front connecting shaft is exposed out of the end part of the cylinder and connected with a connecting sleeve; the connecting sleeve is connected with a handle which is provided with a mounting hole; a positioning device is mounted on the mounting hole; a positioning hole is disposed on the positioning plate; and an adjusting rod is close to the cylinder, exposed out of the handle and vertical to the plane of the positioning plate.

Adaptive receive diversity during discontinuous reception in mobile wireless device

The application relates to an adaptive receive diversity during discontinuous reception in a mobile wireless device. The mobile wireless device adapts receive diversity during discontinuous reception based on downlink signal quality, page indicators and page messages. When the downlink signal quality exceeds a pre-determined threshold, the mobile wireless device decodes a page indicator channel through an initial antenna, and otherwise, decodes a paging channel through the initial antenna without decoding the page indicator channel. The mobile wireless device switches to decoding the paging channel through an alternate antenna when a page indicator decodes as an erasure. When a paging message received through a single antenna decodes with an incorrect error checking code, the mobile wireless devices enables receive diversity through multiple antennas for subsequent decoding. The mobile wireless device switches between single antenna reception and multiple antenna reception based on tracking ...

Pipeline steel plate with low yield ratio, fine grains and high strength and production method thereof

The invention discloses a pipeline steel plate with low yield ratio, fine grains and high strength and a manufacturing method thereof, and steel in the pipeline steel plate comprises the following chemical components by weight percent: 0.03-0.10% of C, 0.10-0.30% of Si, 1.20-1.80% of Mn, not more than 0.015% of P, not more than 0.005% of S, 0.040-0.060% of Nb, 0.006-0.020% of Ti, 0.10-0.40% of Cr, 0.10-0.30% of Ni, 0.010-0.050% of Al and the balance of Fe and inevitable impurities. The manufacturing method adopts a converter for smelting, adopts the TMCP (thermo mechanical control process) and the two-phase region subthermal quenching treatment at 720-750 DEG C, thereby obtaining the pipeline steel plate with low yield ratio, fine grains and high strength; and the manufacturing method hasstable production process, strong operability, low cost and high performances.

Synchronous data transmission method and device and computer

The invention discloses a synchronous data transmission method and device and a computer. The method comprises the following steps of: receiving target data from first equipment; acquiring a first password, wherein the first password is preset and pre-stored; authenticating the first password; and when the password is valid, storing the target data. Due to the adoption of the invention, the requirement for synchronous data transmission is met, operation of removing a password authentication mechanism for a motherboard of each security architecture is eliminated, the work load is reduced, and the cost is lowered; and moreover, any storing operation for the target data requires password authentication, so that the scheme provided by the embodiment of the invention is very secure.

Ligustrazine nanoparticle, preparation method and pharmaceutical application thereof

The invention relates to a ligustrazine nanoparticle, a preparation method and pharmaceutical application thereof. The preparation method comprises the following steps of: dissolving polylactic acid in acetone to form a polylactic acid acetone solution; then dissolving ligustrazine in the polylactic acid acetone solution to form an oil phase; adding the oil phase to a surface active agent-contained aqueous phase solution which is at the constant temperature of 20-50 DEG C; after the two phases are mixed, stirring for 50-90min at the temperature of 20-50 DEG C to make acetone volatilize to obtain a ligustrazine nanoparticle solution. The invention has simple process, mild reaction condition, even manufactured particle size and narrow distribution. Moreover, adopted auxiliary materials are biodegradable and have good biocompatibility, no toxic or side effects and sufficient market raw materials. Wrapped in the nanoparticle, ligustrazine can stably and slowly release, can effectively prevent ...

Potato starch graft emulsion, preparation and application thereof

The invention provides a potato starch graft emulsion which is formed by carrying out monomer graft polymerization on potato starch, unsaturated alkyl acid, styrene, methyl methacrylate, butyl methacrylate, butyl acrylate, hydroxypropyl methacrylate, hydroxy-ethyl methacrylate, acrylic amide, diacetone acrylamide and the like. The potato starch graft emulsion is taken as main film forming matter of paint and is added with conventional inorganic polymer filler which is adopted for preparing the paint, so that the prepared paint has the functions of decoration, humidity adjustment, permeability, heat preservation, moisture condensation prevention, water and alkali resistance, antibiosis and the like; meanwhile, the invention also can prevent a coating from falling off caused by various leakage and water condensation of a wall body, thus ensuring the coating to be more durable; and the potato starch graft emulsion does not contain organic solvent and is safer and more environment-friendly.

DUAL NETWORK MOBILE DEVICE RADIO RESOURCE MANAGEMENT

A single chip mobile wireless device capable of receiving and transmitting over one wireless network at a time maintains registration on two wireless communication networks that each use different communication protocols in parallel. Periodically, the mobile wireless device tunes one or more receivers from a first wireless network to a second wireless network in order to listen for paging messages addressed to the mobile wireless device from the second wireless network. The first wireless network suspends allocation of radio resources to the mobile wireless device based on receipt of a suspension message from the mobile wireless device, or based on knowledge of a paging cycle for mobile wireless device in the second wireless network, or based on detection of an out of synchronization condition with the mobile wireless device. 1. A method to manage radio resources between a mobile wireless device and a first wireless network , the method comprising:by the mobile wireless device;when the mobile wireless device is associated with the first wireless network through an established radio resource control connection and is simultaneously registered with a second wireless network;transmitting a radio resource suspension trigger to the first wireless network, while maintaining the established radio resource control connection;after transmitting the radio resource suspension trigger to the first wireless network, tuning one or more receivers in the mobile wireless device to listen for paging messages from the second wireless network during a paging interval;when receiving a paging message that includes a page addressed to the mobile wireless device from the second wireless network, establishing a connection with the second wireless network; andwhen receiving no paging message from the second wireless network and when receiving a paging message that does not include a page addressed to the mobile wireless device, tuning the one or more receivers in the mobile wireless device ...

IDLE MODE RECEIVE ANTENNA DIVERSITY SYSTEM

Electronic devices may be provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry coupled to multiple antennas. An electronic device may alternate between a sleep mode and a wake mode. During wake mode, the electronic device may monitor a paging channel in a wireless network for incoming paging signals. The device may use either a single antenna mode or a multiple antenna mode such as a dual antenna mode in monitoring the paging channel. In the single antenna mode, a single active antenna is used to receive paging signals. In the dual antenna mode two antennas are simultaneously used to receive paging signals. The device may choose which antenna mode to use based on signal quality measurements and history information on successfully received paging signals. 1. A method for using an electronic device that has at least first and second antennas to monitor a wireless network for incoming paging signals , wherein the electronic device is operable in a single antenna mode in which only a single selected one of the first and second antennas is used in receiving incoming signals and a dual antenna mode in which both of the first and second antennas are simultaneously used , the method comprising:monitoring a paging channel for incoming paging signals while operating the electronic device in a current antenna mode selected from the single antenna mode and the dual antenna mode; andevaluating signal quality measurements using storage and processing circuitry in the electronic device to determine whether to change the current antenna mode for receiving subsequent incoming paging signals.2. The method defined in wherein the current antenna mode comprises the single antenna mode and wherein evaluating the signal quality measurements comprises determining that the signal quality measurements are unsatisfactory so that the current antenna mode should be changed to the dual antenna mode for ...

SINGLE-RADIO DEVICE SUPPORTING COEXISTENCE BETWEEN MULTIPLE RADIO ACCESS TECHNOLOGIES

Electronic devices may be provided that contain wireless communication circuitry. The wireless communication circuitry may include radio-frequency transceiver circuitry coupled to antennas. An electronic device may include a baseband processor and other storage and processing circuitry that implements protocol stacks for handling multiple radio access technologies. The storage and processing circuitry may use the transceiver circuitry to convey data using a first radio access technology while periodically interrupting the conveying of the data to monitor a paging channel using a second radio access technology. In performing the paging channel monitoring operations, the storage and processing circuitry may enforce a time limit that ensures that operations using the first radio access technology are not disrupted more than desired. 1. A method for using an electronic device to communicate with a wireless network using a first radio access technology and a second radio access technology , comprising:with wireless circuitry in the electronic device, conveying wireless data traffic using a first radio access technology;with the wireless circuitry, temporarily interrupting the conveying of the wireless data traffic to monitor a paging channel associated with a second radio access technology; andwith the wireless circuitry, enforcing a time limit on the temporary interruption of the conveying of the wireless data traffic.2. The method defined in wherein enforcing the time limit comprises ensuring that the time limit is less than or equal to a product of a maximum out-of-sync counter value and a lower-layer-to-upper-layer reporting interval plus an out-of-sync time limit.3. The method defined in wherein the first radio access technology comprises a Long Term Evolution radio access technology and wherein the maximum out-of-sync counter value comprises a Long Term Evolution N310 counter.4. The method defined in wherein the out-of-sync time limit comprises a Long Term ...

ADAPTIVE RANDOM ACCESS CHANNEL RETRANSMISSION

A mobile wireless device adapts transmit power levels and number of retransmissions of a preamble sent to a wireless network. The mobile wireless device measures characteristics of a downlink signal received from the wireless network. The mobile wireless device transmits a series of preambles to the wireless network, each successive preamble having an increased power level, starting at a power level based on the measured received signal characteristics and on parameters received from the wireless network, up to a maximum transmit power level. When the transmit power level of the preamble exceeds the maximum transmit power level and when the measured downlink signal quality falls below a threshold, the mobile wireless device limits the number of preamble retransmission to less than an allowed maximum number of retransmissions. A minimum number of retransmissions is determined and adapted to higher values for larger measured values of downlink signal quality. 1. A method of adapting transmit power levels and repetitions of transmissions from a mobile wireless device to a wireless network , the method comprising:at the mobile wireless device;measuring a downlink signal power level and a downlink signal quality received from a radio access subsystem in the wireless network;receiving one or more transmit parameters from the radio access subsystem;calculating an initial transmit power level for an uplink preamble based on the received transmit parameters and on the measured downlink signal power level;transmitting a series of preambles to the radio access subsystem, each successive preamble having an increasing transmit power level up to and not exceeding a maximum transmit power level, and a number of retransmissions not exceeding a maximum retransmission count;stop transmitting the preamble retransmissions after receiving an ACK or NACK response from the radio access subsystem; andwhen the transmit power level of the preamble equals or exceeds the maximum transmit power ...

METHODS FOR TRANSMIT ANTENNA SWITCHING DURING UPLINK ACCESS PROBING

Electronic devices may be provided that contain wireless communication circuitry. The wireless communication circuitry may include radio-frequency transceiver circuitry coupled to first and second antennas. An electronic device may send network access probe signals to a base station in a wireless network. If the base station responds with a corresponding acknowledgement, the electronic device and base station may establish a wireless communication link such as a cellular telephone link. In response to failure to receive the acknowledgement signal from the base station, the electronic device may increase the transmit power of a successive network access probe signal. The electronic device may switch between use of the first and second antennas when transmitting the network access probe signals. The electronic device may alternate between the first and second antennas or may use other antenna usage patterns. 1. An electronic device configured to communicate with a wireless base station in a wireless network , comprising:at least first and second antennas; andradio-frequency transceiver circuitry configured to transmit network access probe signals for the base station through the first and second antennas.2. The electronic device defined in wherein the radio-frequency transceiver circuitry is configured to alternate between the first and second antennas when transmitting the network access probe signals.3. The electronic device defined in wherein the radio-frequency transceiver circuitry transmits each network access probe signal at a corresponding transmit power level and wherein the radio-frequency transmitter increments the transmit power level between transmissions of successive network access probe signals.4. The electronic device defined in wherein the radio-frequency transceiver circuitry comprises cellular telephone transceiver circuitry.5. The electronic device defined in wherein the radio-frequency transceiver circuitry comprises a first transceiver coupled ...

ADAPTIVE RECEIVE DIVERSITY DURING DISCONTINUOUS RECEPTION IN MOBILE WIRELESS DEVICE

A mobile wireless device adapts receive diversity during discontinuous reception based on downlink signal quality, page indicators and page messages. When the downlink signal quality exceeds a pre-determined threshold, the mobile wireless device decodes a page indicator channel through an initial antenna, and otherwise, decodes a paging channel through the initial antenna without decoding the page indicator channel. The mobile wireless device switches to decoding the paging channel through an alternate antenna when a page indicator decodes as an erasure. When a paging message received through a single antenna decodes with an incorrect error checking code, the mobile wireless devices enables receive diversity through multiple antennas for subsequent decoding. The mobile wireless device switches between single antenna reception and multiple antenna reception based on tracking multiple consecutive error checking code failures and successes. 1. A method of adapting antenna receive diversity in a mobile wireless device in communication with a wireless network , the method comprising:during a discontinuous reception cycle in the mobile wireless device,decoding at least one page indicator received on a page indicator channel through an initial antenna when a measured downlink signal quality exceeds a pre-determined threshold;decoding one or more page messages received on a paging channel through the initial antenna without decoding the page indicator channel when the measured downlink signal quality does not exceed the pre-determined threshold;decoding one or more page messages received on the paging channel through an alternate antenna when a first page indicator received on the page indicator channel through the initial antenna decodes as an erasure value; anddecoding one or more page messages received on the paging channel through the initial antenna and through the alternate antenna together when no paging message received on the paging channel through the initial ...

METHODS AND SYSTEMS FOR STATE SWITCHING

Disclosed are methods and systems for state switching. The method is applied to a first hardware system. The first hardware system is connected with a second hardware system. The first hardware system has a first operation state and a second operation state. The second hardware system includes a memory unit. The memory unit has a first access state and a second access state. The memory unit is in the first access state currently. The method includes: the first hardware system sends an access state switching instruction to the second hardware system when the first hardware system enters the second operation state from the first operation state, wherein, the access state switching instruction is adapted to switch the memory unit of the second hardware system from the first access state to the second access state. The application of the present invention can ensure the security of key data, avoid the access of key data by malicious software, reduce the implementation costs and has a higher extensibility. 1. A method for state switching which is applied for a first hardware system , wherein the first hardware system is connected with a second hardware system , the first hardware system has a first operation state and a second operation state , the second hardware system comprises a memory unit , the memory unit has a first access state and a second access state , the memory unit is in the first access state currently , the method comprises:sending an access state switching instruction to the second hardware system, when the first hardware system entering the second operation state from the first operation state;wherein the access state switching instruction is adapted to switch the memory unit of the second hardware system from the first access state to the second access state.2. The method according to claim 1 , wherein claim 1 ,the first operation state of the first hardware system comprises an initial stage, and the second operation state comprises an applying stage; ...

Methods and apparatus for intelligent receiver operation

Methods and apparatus for adaptively adjusting receiver operation for e.g., power optimization. In one embodiment, operation during diversity operation is adaptively adjusted. Diversity techniques consume significantly more power than non-diversity operation. However, the performance gain from receiver diversity is not always predictable. Consequently, in one embodiment, a device evaluates the overall performance gain contributed by diversity operation and, where the performance gain is insignificant or inadequate, the device disables diversity operation. In one implementation, the device can operate in a static single antenna mode, a dynamic single antenna mode and a dynamic multiple antenna mode.

Adaptive Partial Packet Decoding

A user device receives packets from a base station. The user device may invoke decoding while the packet is still being received, based on the incomplete contents of a given packet. This “partial packet decoding” relies on the fact that the underlying information in the packet is encoded with redundancy (code rate less than one). If link quality is poor, the partial packet decoding is likely to be unsuccessful, i.e., to fail in its attempt to recover the underlying information. To avoid waste of power, the user device may be configured to apply one or more tests of link quality prior to invoking the partial packet decoding on a current packet. 1. A method performed by a wireless communication device , the method comprising:determining whether a first measure of quality of a communication link is better than a first quality standard in response to a start of a transmission interval for a current packet; obtaining a second measure of the quality of the communication link;', 'determining whether the second measure of the quality of the communication link is better than a second quality standard;', 'performing a partial packet decoding process on the current packet until the end of the current packet in response to determining that the second measure is better than the second quality standard., 'in response to determining that the first measure of quality is better than the first quality standard2. The method of claim 1 , wherein the first measure of quality is a block error rate of the communication link.3. The method of claim 1 , wherein the first measure of quality is a bit error rate of the communication link.4. The method of claim 1 , wherein the first measure of quality is a signal to noise ratio associated with a physical channel in communication link.5. The method of claim 4 , wherein the physical channel is a common pilot channel of the communication link.6. The method of claim 5 , wherein the common pilot channel is the Common Pilot Channel (CPICH) in UMTS.7. ...

APPARATUS AND METHODS FOR SYNCHRONIZATION RECOVERY IN A HYBRID NETWORK

Methods and apparatus for synchronizing operational state during hybrid network operation. In one embodiment, the various access technologies that makeup the hybrid network not fully synchronized. Thus, a wireless device operating in a mixed mode must be capable of managing synchronization across multiple access technologies. The wireless device is configured to estimate an expected “tune-away” period when disengaging with a one access technology to address events (for example, link maintenance, calls, data, and the like) or perform monitoring on a second access technology. The estimate is then used by the device to adjust its operational parameters on the technology from which it is tuning away. This ensures smooth switching away from and back to the various network technologies. 1. A method for synchronizing a radio resource control (RRC) state within a hybrid network operation , where hybrid network operation is characterized by intei inittent switching between a first long term evolution (LTE) network and a second Code Division Multiple Access 1X (CDMA 1X) network , comprising:identifying one or more tune away events that are likely to adversely impact operation, where during the one or more tune away events a client device tunes away from the first LTE network;estimating a duration related to the one or more tune away events;determining an adjustment to a Timing Advance (TA) timer based on the estimated duration of the loss event; andadjusting the TA timer according to the determined adjustment.2. The method of claim 1 , further comprising periodically sending maintenance messages while tuned in to the first LTE network.3. The method of claim 2 , where the identifying of the one or more tune away events is based at least in part on the sending of the maintenance message; andwhere the one or more tune away events are related to the second CDMA 1X network.4. The method of claim 1 , where the identifying of the one or more tune away events comprises consulting a ...

METHOD FOR IMPLEMENTING AUTONOMOUS MANAGEMENT OF RADIO RESOURCES ACROSS DUAL NETWORKS

Managing radio resources across dual networks includes a wireless mobile device connecting to a first wireless network using a first radio access technology. The wireless device may notify the first network of a capability to be temporarily non-responsive to the first network while maintaining a signaling connection to the first network. The wireless device may communicate with a second network. The wireless device may return to communicating with the first network subsequent to communicating with the second network, and in response to communicating with the second network for less than a predetermined amount of time, the wireless device may send a scheduling request to the first network. In response to receiving a grant acknowledgement from the first network, the wireless device may send a buffer status report that includes a value such as zero to indicate that the wireless device has returned to and can communicate with the first network. 1. A method comprising:a wireless mobile device operating in a first mode according to a first radio access technology to communicate with a first wireless network;subsequent to operation in the first mode and while maintaining a signaling connection to the first wireless network, the wireless mobile device operating in a second mode according to a second radio access technology to communicate with a second network;returning to operation in the first mode subsequent to operation in the second mode, and in response to operating in the second mode for less than a predetermined amount of time, sending a scheduling request to the first wireless network;in response to receiving a grant acknowledgement from the first wireless network, the wireless mobile device selectively sending a buffer status report that includes a predetermined value to the first wireless network.2. The method of claim 1 , further comprising the wireless mobile device notifying the first wireless network of a capability to operate in a second mode and to be ...

METHODS AND APPARATUS FOR ADAPTIVE RECEIVER DIVERSITY IN A WIRELESS NETWORK

Apparatus and methods for implementing “intelligent” receive diversity management in e.g., a mobile device. In one implementation, the mobile device includes an LTE-enabled UE, and the intelligent diversity management includes selectively disabling receive diversity (RxD) in that device upon meeting a plurality of criteria including (i) a capacity criterion, and (ii) a connectivity criterion. In one variant, the capacity criterion includes ensuring that an achievable data rate associated with a single Rx (receive) chain is comparable to that with RxD. 1. A mobile apparatus configured to implement adaptive receive diversity , the apparatus including:a processor;one or more wireless receivers configured to operate in at least a first and second diversity modes; and evaluate a capacity condition and a connectivity condition;', 'when the capacity condition and the connectivity condition are met, operate in the first diversity mode; and', 'when either the capacity condition or the connectivity condition are not met, operate in the second diversity mode., 'computerized logic in data communication with the processor and one or more wireless receivers, and configured to cause the mobile apparatus to2. The mobile apparatus of claim 1 , where the connectivity condition comprises a lack of cyclic redundancy check (CRC) failures over one or more consecutive paging cycles.3. The mobile apparatus of claim 2 , where the capacity condition comprises a reference signal to interference plus noise ratio (RS SINR) exceeding a first threshold.4. The mobile apparatus of claim 2 , where the capacity condition comprises a difference in a first reference signal to interference plus noise ratio (RS SINR) associated with the first diversity mode and a second RS SINR associated with the second diversity mode.5. The mobile apparatus of claim 2 , where the capacity condition comprises a difference in a first channel quality indication (CQI) associated with the first diversity mode and a second ...

Uplink and/or Downlink Testing of Wireless Devices in a Reverberation Chamber

A system and method for wireless device testing. The system includes a reverberation chamber (RC) and a downlink channel emulator. A wireless device is placed within the RC. Probe antennas are positioned within the RC. The downlink (DL) channel emulator couples to the probe antennas. The DL channel emulator is configured to: (a) receive downlink stimulus signals; and (b) generate downlink intermediate signals based on the downlink stimulus signals in order to emulate desired downlink channel characteristics. The probe antennas are configured to respectively transmit the downlink intermediate signals into the RC for reception by the wireless device. The system may also include an uplink channel emulator, which receives uplink transmit signals from the RC, and generates uplink terminal signals based on the uplink transmit signals in order to emulate desired uplink channel characteristics. The uplink transmit signals may be used to evaluated the performance of the wireless device. 1. A system for wireless device testing , the system comprising:a reverberation chamber (RC) configured to house a wireless device;a plurality of probe antennas within the RC; receive downlink stimulus signals;', 'generate downlink intermediate signals based on the downlink stimulus signals in order to emulate desired downlink channel characteristics, wherein the probe antennas are configured to respectively transmit the downlink intermediate signals into the RC for reception by the wireless device., 'a downlink (DL) channel emulator coupled to the probe antennas, wherein the DL channel emulator is configured to2. The system of claim 1 , further comprising: generate uplink output signals based on the uplink intermediate signals in order to emulate desired uplink channel characteristics; and', 'provide the uplink output signals to respective outputs of the UL channel emulator., 'an uplink (UL) channel emulator coupled to the plurality of probe antennas, wherein the probe antennas are ...

METHODS AND APPARATUS FOR COEXISTENCE OF WIRELESS SUBSYSTEMS IN A WIRELESS COMMUNICATION DEVICE

Methods and apparatus to mitigate interference among multiple wireless subsystems of a wireless communication device are described. A host processor obtains configurations for a plurality of wireless subsystems and evaluates whether potential or actual coexistence interference exists between two or more of the wireless subsystems. The host processor provides configuration information and link quality reporting parameters to and obtains link quality reports from at least two wireless subsystems. When link quality for at least one wireless subsystem fails a set of link quality conditions, the host processor adjusts data requirements for applications that communicate through one or more of the wireless subsystems and/or adjusts radio frequency operating conditions for one or more of the wireless subsystems to mitigate interference among the wireless subsystems. 1. A wireless communication device comprising:a processor;a first wireless subsystem coupled to the processor; and obtain a first wireless subsystem configuration and a second wireless subsystem configuration for the first wireless subsystem and the second wireless subsystem respectively;', 'evaluate whether the first and second wireless subsystem configurations indicate potential or actual coexistence interference between the first and second wireless subsystems; and', provide information of the first wireless subsystem configuration to the second wireless subsystem;', 'provide information of the second wireless subsystem configuration to the first wireless subsystem;', 'provide link quality reporting parameters to the first and second wireless subsystems;', 'obtain link quality reports from the first and second wireless subsystems; and', 'when a link quality of the second wireless subsystem fails a set of a set of link quality conditions, adjust data requirements for one or more applications that generate or consume data packets communicated using the first wireless subsystem., 'when the first and second ...

LTE/1X Dual-Standby with Single-Chip Radio

Electronic devices may be provided that contain wireless communication circuitry. The wireless communication circuitry may include radio-frequency transceiver circuitry coupled to antennas by switching circuitry. Multiple radio access technologies may be supported. A device may include first and second antennas. Control circuitry can configure the transceiver circuitry and switching circuitry to support operation of the device in active and idle modes for each radio access technology. In some configurations, both antennas may be used to support operations associated with one of the radio access technologies. In other configurations, the first antenna may be used to support operations with a first of the radio access technologies while the second antenna is used to support operations with a second of the radio access technologies.

TRANSMISSION POWER MODULATION TO FACILITATE IN-DEVICE COEXISTENCE BETWEEN WIRELESS COMMUNICATION TECHNOLOGIES

A method of modulating transmission power to facilitate in-device coexistence between wireless communication technologies is provided. The method can include determining a scheduled time period during which data is received by a device via a first wireless communication technology. The method can further include reducing a transmission power of a transmission from the device via a second wireless communication technology to a threshold level prior to the scheduled time period and controlling the transmission power so that the transmission power does not exceed the threshold level during the scheduled time period. The method can additionally include, subsequent to the time period, increasing the transmission power to a level exceeding the threshold level. 1. A method comprising:determining, with a processor, a scheduled time period during which data is received by a device via Bluetooth;reducing a transmission power of a cellular transmission from the device to a threshold level prior to the scheduled time period and controlling the transmission power so that the transmission power does not exceed the threshold level during the scheduled time period; andsubsequent to the scheduled time period, increasing the transmission power to a level exceeding the threshold level.2. The method of claim 1 , wherein the threshold level is a pre-determined power level at which the cellular transmission does not inhibit concurrent data reception via Bluetooth.3. The method of claim 1 , further comprising receiving a message from a Bluetooth control module claim 1 , the message including an indication of the scheduled time period claim 1 , and wherein determining the scheduled time period comprises determining the scheduled time period based at least in part on the indication.4. The method of claim 1 , wherein the cellular transmission comprises a transmission in accordance with one of a Long Term Evolution (LTE) cellular communication technology claim 1 , a Universal Mobile ...

Increasing power amplifier linearity to facilitate in-device coexistence between wireless communication technologies

A method of increasing power amplifier linearity to facilitate in-device coexistence between wireless communication technologies is provided. The method can include determining a scheduled time period during which data is received by a device via a first wireless communication technology. The method can further include adjusting an operational parameter of a power amplifier applied to a transmission from the device via a second wireless communication technology to increase a linearity of the power amplifier during the scheduled time period.

Wi-Fi Adaptive Transmit Antenna Selection

Wireless communication devices (UEs) may include multiple receive (RX) chains and associated antennas, and at least one transmit (TX) chain co-located with one of the RX chains. The UE may track instant fading of the antenna gain(s) during reception of packets from an associated access point (AP) device to which the UE intends to transmit packets. The UE may also track long term antenna gain(s), using any packets received at the multiple RX chains within the UE. At a switching occasion, a decision is made by the UE whether to switch antennas. If the instant fading detection is based on packets received no later than a specified time period prior to the switching occasion, then the UE may make the switching decision based on the results of the instant fading tracking. Otherwise, the UE may make the switching decision based on the results of the long term antenna gain tracking.

Peer to Peer Mobile User Equipment Communication with On-Demand Discovery Signal Transmission

In some embodiments, a user equipment device (UE) implements a method for discovering the presence of neighboring UEs using an on-demand discovery signal transmission technique. This discovery process may be performed to enable the UEs to perform peer-to-peer communications with each other, wherein peer-to-peer communications is defined as direct communication between the UEs without involving a base station. The UE may be configured to transmit a discovery request signal when it has moved greater than a threshold amount since transmission of a prior discovery request signal. The discovery request signal causes one or more neighboring UEs to each transmit a discovery signal in response, and also causes the UE which generated the discovery request signal to transmit its own discovery signal. The received discovery signal from each of the neighboring UEs is useable to discover, or detect the presence of, these neighboring UEs. 1. A wireless device , comprising:at least one antenna;at least one radio communicatively coupled to the at least one antenna, wherein the at least one radio is configured to perform cellular communication using at least one radio access technology (RAT);one or more processors communicatively coupled to the at least one radio, wherein the one or more processors and the at least one radio are configured to perform wireless voice and/or data communications using the at least one antenna; monitor one or more discovery request channels in a discovery resource set assigned by a base station;', 'determine that the wireless device has moved greater than a threshold distance since transmission of a prior discovery request signal to neighboring wireless devices, wherein the threshold distance comprises a specified distance since the transmission of the prior discovery request signal to the neighboring wireless devices; and', 'transmit, in response to one of determining that a discovery request signal relevant to the wireless device has been received from ...

COMPOSITIONS AND METHODS FOR THE REPROGRAMMING OF CELLS INTO CARDIOMYOCYTES

The present disclosure provides compositions and methods for the reprogramming of cells such as fibroblasts into cardiomyocytes. The invention provided herein features a chemically defined media and methods of reprogramming cells to increase cardiac gene and protein expression in cardiac fibroblasts and other fibroblasts, e.g. dermal fibroblasts. The media and methods also enhance miR-combo mediated cardiac reprogramming of fibroblasts to cardiomyocytes. Thus, the invention encompasses a chemically defined reprogramming media comprising a base tissue culture media, insulin-transferrin-selenium (ITS) or ascorbic acid in a somatic cell-reprogramming, e.g., fibroblast-to-cardiomyocyte-reprogramming, amount. 17.-. (canceled)8. A method of reprogramming a fibroblast cell comprising contacting the cell with a chemically defined reprogramming media comprising a base tissue culture media , insulin-transferrin-selenium or ascorbic acid in a somatic cell-reprogramming amount for a sufficient amount of time and volume such that the fibroblast is reprogrammed into a cardiomyocyte.9. The method according to claim 8 , the method further comprising transfecting into the cell at least one miRNA that is associated with facilitating the reprogramming of cells into cardiomyocytes prior to culturing in the chemically defined reprogramming media.10. The method according to claim 9 , wherein the miRNA is selected from the group consisting of miR-1 claim 9 , miR-133 claim 9 , miR-208 claim 9 , miR-499 and combinations thereof.11. The method of claim 8 , wherein the cell is selected from the group consisting of fibroblasts claim 8 , adipocytes claim 8 , or CD34+ umbilical cord blood cells.12. The method of claim 11 , wherein the fibroblast is a cardiofibroblast or dermal fibroblast.13. The method of claim 8 , wherein the cell comprises cardiac fibrotic tissue.14. The method of claim 8 , further comprising contacting the cell with a reprogramming efficiency-enhancing molecule.15. The method ...

Wake-Up-Radio Link Adaptation

An interface circuit in a device, e.g., an access point, may perform link adaptation. During operation, the interface circuit may provide a wake-up frame, e.g., a LP-WUR packet, associated with a channel in a band of frequencies, where the wake-up frame is intended for a wake-up radio in a recipient device. Then, the interface circuit may receive, from the recipient device, feedback information associated with a second channel in a second band of frequencies, where the feedback information is associated with a main radio in the recipient device. Based at least in part on the feedback information, the interface circuit may estimate one or more communication metrics associated with the channel in the band of frequencies. Moreover, based at least in part on the one or more communication metrics, the interface circuit may determine a data rate for use in communication via the channel in the band of frequencies.

TRANSMISSION POWER MODULATION TO FACILITATE IN-DEVICE COEXISTENCE BETWEEN WIRELESS COMMUNICATION TECHNOLOGIES

A method of modulating transmission power to facilitate in-device coexistence between wireless communication technologies is provided. The method can include determining a scheduled time period during which data is received by a device via a first wireless communication technology. The method can further include reducing a transmission power of a transmission from the device via a second wireless communication technology to a threshold level prior to the scheduled time period and controlling the transmission power so that the transmission power does not exceed the threshold level during the scheduled time period. The method can additionally include, subsequent to the time period, increasing the transmission power to a level exceeding the threshold level. 1. (canceled)2. An apparatus for facilitating coexistence of wireless communication technologies within a wireless device , the apparatus comprising:first control circuitry communicatively coupled to a first wireless transceiver configured to communicate via a first wireless communication technology;second control circuitry communicatively coupled to the first control circuitry and to a second wireless transceiver configured to communicate via a second wireless communication technology, determine a scheduled time period during which the first wireless transceiver receives data, and', 'send a message to the second control circuitry requesting that the second control circuitry reduce a transmission power of a transmission by the second wireless transceiver to not exceed a threshold level before the scheduled time period and to control the transmission power of the transmission by the second wireless transceiver to not exceed the threshold level during the scheduled time period., 'wherein the first control circuitry is configured to3. The apparatus of claim 2 , wherein the second control circuitry is configured to:receive the message sent by the first control circuitry; andin response to the message, reduce the ...

ACTUATOR FOR ADJUSTING DISPLAY TERMINAL, AND VEHICLE

An actuator for adjusting a display terminal and a vehicle are provided. The actuator includes: a mounting unit configured to mount a display terminal; a clutch unit, a first engaging portion of the clutch unit being connected to the mounting unit, and a second engaging portion of the clutch unit being normally interlocked with the first engaging portion; and a drive unit, an output end of the drive unit being connected to the second engaging portion. 1. An actuator for adjusting a display terminal , comprising:a mounting unit configured to mount a display terminal;a clutch unit, wherein a first engaging portion of the clutch unit is connected to the mounting unit, and a second engaging portion of the clutch unit is normally interlocked with the first engaging portion; anda drive unit, wherein an output end of the drive unit is connected to the second engaging portion.2. The actuator for adjusting a display terminal according to claim 1 , wherein the clutch unit is located outside a housing of the drive unit.3. The actuator for adjusting a display terminal according to claim 1 , wherein at least a part of the clutch unit is located in the mounting unit.4. The actuator for adjusting a display terminal according to claim 3 , wherein the mounting unit comprises a rotating turntable configured to mount the display terminal and connected to the first engaging portion claim 3 , wherein an end of the rotating turntable facing the first engaging portion has a first groove claim 3 , at least a part of the first engaging portion and at least a part of the second engaging portion are located in the first groove.5. The actuator for adjusting a display terminal according to claim 1 , wherein the housing of the drive unit has a radial holding mechanism claim 1 , the second engaging portion is relatively rotatably disposed on the radial holding mechanism for limiting in a radial direction.6. The actuator for adjusting a display terminal according to claim 5 , wherein the housing ...

DUAL NETWORK MOBILE DEVICE RADIO RESOURCE MANAGEMENT

A single chip mobile wireless device capable of receiving and transmitting over one wireless network at a time maintains registration on two wireless communication networks that each use different communication protocols in parallel. Periodically, the mobile wireless device tunes one or more receivers from a first wireless network to a second wireless network in order to listen for paging messages addressed to the mobile wireless device from the second wireless network. The first wireless network suspends allocation of radio resources to the mobile wireless device based on receipt of a suspension message from the mobile wireless device, or based on knowledge of a paging cycle for mobile wireless device in the second wireless network, or based on detection of an out of synchronization condition with the mobile wireless device. 1. (canceled)2. A method to manage connections between a mobile device and a plurality of wireless networks , the method comprising:at the mobile device:establishing a radio resource control (RRC) connection with a first wireless network;registering the mobile device with a second wireless network;sending to the first wireless network a radio resource suspension trigger that provides an indication to the first wireless network to suspend allocation of radio resources to the mobile device;tuning one or more receivers of the mobile device to listen for a page addressed to the mobile device from the second network during a suspension time period; and tuning the one or more receivers of the mobile device back to the first wireless network, and', 'sending a signaling message to the first wireless network through the RRC connection, the signaling message providing an indication to the first wireless network that the mobile device is ready to resume data communication with the first wireless network., 'when not receiving a page addressed to the mobile device during the suspension time period and the suspension time period does not exceed a time ...

FACILITATING IN-DEVICE COEXISTENCE BETWEEN WIRELESS COMMUNICATION TECHNOLOGIES

A method for facilitating in-device coexistence between wireless communication technologies on a wireless communication device is provided. The method can include transmitting data traffic from the wireless communication device via an aggressor wireless communication technology; determining occurrence of an in-device interference condition resulting from transmission of the data traffic via the aggressor wireless communication technology interfering with concurrent data reception by the wireless communication device via a victim wireless communication technology; and reducing a bit rate of the data traffic transmitted via the aggressor wireless communication technology in response to the in-device interference condition. 1. A mobile wireless device comprising:a first wireless interface configurable to communicate in accordance with a first radio access technology (RAT);a second wireless interface configurable to communicate in accordance with a second RAT; and transmit data traffic via the first wireless interface;', 'determine occurrence of an in-device interference condition resulting from transmission of the data traffic via the first wireless interface interfering with data reception via the second wireless interface; and', 'adjust a property of at least a portion of the data traffic transmitted via the first wireless interface in response to the in-device interference condition., 'processing circuitry in data communication with the first wireless interface and the second wireless interface, wherein the processing circuitry is configured to cause the mobile wireless device to2. The mobile wireless device of claim 1 , wherein the mobile wireless device adjusts the property of the at least a portion of the data traffic transmitted via the first wireless interface at least in part by reducing a bit rate of the at least a portion of the data traffic.3. The mobile wireless device of claim 2 , wherein reducing the bit rate of the at least a portion of the data traffic ...

POWER SAVINGS WITH PREAMBLE IN WLAN SYSTEMS

In order to reduce power consumption of an electronic device during communication with another electronic device in a wireless local area network (WLAN), the electronic device analyzes fields in a given packet prior to a payload of the given packet to look for information that specifies a destination of the given packet. For example, the information may include: a full associated identification (AID) of the destination, a partial media-access-control (MAC) address of the destination; and/or a compressed (MAC) address of the destination. The information may be included in the preamble of the given packet. In particular, the information may replace length information in a high-throughput signal field in the given packet. Moreover, if the destination is other than the electronic device, the electronic device dumps the given packet and changes a power state of the electronic device, thereby reducing the power consumption. 121-. (canceled)22. A method for processing a received packet , wherein the method comprises:receiving, in receive circuitry, a packet wirelessly transmitted by an electronic device;analyzing at least a high-throughput signal field of a preamble of the packet, the high-throughput signal field including information identifying a destination of the packet;determining that the destination does not correspond to the receive circuitry; anddropping, responsive to determining that the destination does not correspond to the receive circuitry, the packet prior to completing decoding of the packet.23. The method of claim 22 , wherein the information identifying the destination replaces length information in the high-throughput signal field.24. The method of claim 22 , further comprising:transitioning the receive circuitry to a lower-power state subsequent to determining that the destination does not correspond to the receive circuitry.25. The method of claim 24 , further comprising:decoding at least one field indicating a length of the packet prior to ...

COMPOSITIONS AND METHODS FOR THE REPROGRAMMING OF CELLS INTO CARDIOMYOCYTES

The present disclosure provides compositions and methods for the reprogramming of cells such as fibroblasts into cardiomyocytes. The invention provided herein features a chemically defined media and methods of reprogramming cells to increase cardiac gene and protein expression in cardiac fibroblasts and other fibroblasts, e.g. dermal fibroblasts. The media and methods also enhance miR-combo mediated cardiac reprogramming of fibroblasts to cardiomyocytes. Thus, the invention encompasses a chemically defined reprogramming media comprising a base tissue culture media, insulin-transferrin-selenium (ITS) or ascorbic acid in a somatic cell-reprogramming, e.g., fibroblast-to-cardiomyocyte-reprogramming, amount. 1. A chemically defined reprogramming media comprising a base tissue culture media , insulin-transferrin-selenium or ascorbic acid in a somatic cell-reprogramming amount.2. The media of claim 1 , wherein said media further comprises bovine serum albumin (BSA) or claim 1 , L-glutamine.3. The media of claim 1 , wherein said media comprises insulin-transferrin-selenium claim 1 , said insulin being present in an amount of 10 nanomolar to 10 micromolar claim 1 , said transferrin being present in an amount of 0.002 to lgram per liter claim 1 , and said selenium being present in an amount of 1-100 μg per liter.4. The media of claim 1 , wherein said media comprises 0.2 mM to 20 mM L-glutamine.5. The media claim 1 , wherein said media comprises 50 μM to 50 millimolar ascorbic acid.6. The media of claim 1 , further comprising a reprogramming efficiency-enhancing molecule.7. The media of claim 6 , wherein said molecule is one or more molecules selected from the group consisting of valproic acid claim 6 , bone morphogenetic protein 4 (BMP4) claim 6 , JAK inhibitor 1 claim 6 , RG108 claim 6 , R(+) Bay K 8644 claim 6 , PS48 claim 6 , and A83-01.8. A method of reprogramming a cell into a fibroblast comprising contacting the cell with the media according to for a sufficient amount ...

DYNAMICALLY ADAPTING WIRELESS COMMUNICATION

In order to facilitate communication between an electronic device and another electronic device, the electronic device determines communication-quality metrics for a first connection in a wireless network based on received information from the other electronic device. Then, the electronic device calculates an overall communication-quality indicator for the first connection based on at least some of the communication-quality metrics. Moreover, the electronic device dynamically adapts the communication with the other electronic device based on the overall communication-quality indicator. For example, the electronic device may establish a second connection in a cellular-telephone network and may use the second connection to communicate with the other electronic device. Alternatively, the electronic device may provide the overall communication-quality indicator to the other electronic device and may at least partially transition the communication from the second connection in the cellular-telephone network to the first connection in the wireless network. 1. An electronic device , comprising:an antenna;an interface circuit, coupled to the antenna, configured to wirelessly communicate with another electronic device;a processor; and instructions for receiving information from the other electronic device using a first connection in a wireless network;', 'instructions for determining communication-quality metrics for the first connection based on the received information;', 'instructions for calculating an overall communication-quality indicator for the first connection based on at least some of the communication-quality metrics; and', 'instructions for dynamically adapting the communication with the other electronic device based on the overall communication-quality indicator, wherein dynamically adapting the communication involves at least one of the following operations: establishing a second connection in a cellular-telephone network and using the second connection to ...

Efficient Auto Detection for Next Generation WLAN

An auto-detection scheme may be applied to a physical layer (PHY) preamble of a communications packet, such as an 802.11 packet, to identify which generation of a communication standard was used to generate the packet. A packet of a wireless transmission may be received by a wireless device. The packet may include a PHY preamble, including a first field, such as a legacy long training field (L-LTF), and a second, subsequent field, such as a non-legacy Signal field. The wireless device may determine that the first field is encoded using a Fast-Fourier Transform (FFT) of a first size, and that the second field is encoded using a FFT of a second, different size. This determining may identify a generation of the communication standard used to generate the packet. In response to the determining, the wireless device may decode the packet according to the identified generation of the communication standard. 1. A wireless communication device comprising:at least one processor;a memory storing software instructions executable by the at least one processor;wireless communication circuitry communicatively coupled to the at least one processor; receive a packet of a wireless transmission, the packet comprising a physical layer (PHY) preamble comprising a first field and a second, subsequent field;', 'determine whether the first field and the second field are encoded using Fast-Fourier Transforms (FFTs) of the same size;', 'in response to determining that the first field and the second field are encoded using FFTs of the same size, decode the packet according to a first generation of a communication standard; and, 'wherein the wireless communication device is configured toin response to determining that the first field and the second filed are not encoded using FFTs of the same size, decode the packet according to a second, different generation of the communication standard.2. The wireless communication device of claim 1 , wherein the first field comprises a legacy long training ...

POWER SAVINGS WITH PREAMBLE IN WLAN SYSTEMS

In order to reduce power consumption of an electronic device during communication with another electronic device in a wireless local area network (WEAN), the electronic device analyzes fields in a given packet prior to a payload of the given packet to look for information that specifies a destination of the given packet. For example, the information may include: a full associated identification (AID) of the destination, a partial media-access-control (MAC) address of the destination; and/or a compressed (MAC) address of the destination. The information may be included in the preamble of the given packet. In particular, the information may replace length information in a high-throughput signal field in the given packet. Moreover, if the destination is other than the electronic device, the electronic device dumps the given packet and changes a power state of the electronic device, thereby reducing the power consumption. 1. An electronic device , comprising:an antenna;a receive circuit, coupled to the antenna, configured to receive packets from another electronic device using a wireless local area network (WLAN), wherein the receive circuit is configured to analyze fields in a given packet prior to a payload of the given packet to look for information that specifies a destination of the given packet; andcontrol logic coupled to the receive circuit, wherein, if the destination is other than the electronic device, the control logic is configured to dump the given packet and to change a power state of the electronic device.2. The electronic device of claim 1 , wherein the WLAN is compatible with an Institute of Electrical and Electronics Engineers (IEEE) 802.11 communication protocol.3. The electronic device of claim 1 , wherein the information includes one of: a full associated identification (AID) of the destination claim 1 , a partial media-access-control (MAC) address of the destination; and a compressed (MAC) address of the destination.4. The electronic device of ...

DYNAMIC BACKOFF IN WI-FI CALLING

In order to improve the quality of a telephone call communicated over a wireless local area network (WLAN), an electronic device (such as a cellular telephone) may obtain one or more performance metrics based on communication with another electronic device (such as an access point) via a connection in the WLAN. For example, the electronic device may receive the one or more performance metrics from the other electronic device and/or may determine the one or more performance metrics based on the performance of the communication. Then, the electronic device may compare the one or more performance metrics with an interference criterion. If the interference criterion is met, the electronic device may perform a remedial action, such as selectively discontinuing use of the WLAN to communicate the telephone call for a time interval. Otherwise, the electronic device may continue using the WLAN to communicate the telephone call. 1. An electronic device , comprising:an antenna;an interface circuit, coupled to the antenna, configured to communicate a Wi-Fi call with another electronic device using a connection in a wireless local area network (WLAN);a processor; and instructions for obtaining one or more performance metrics based on the performance of the communication with the other electronic device;', 'instructions for comparing the one or more performance metrics with an interference criterion;', 'instructions for performing a remedial action when the interference criterion is met; and', 'instructions for using the connection in the WLAN to communicate the Wi-Fi call otherwise., 'memory, wherein the memory stores a program module, and wherein the program module is configured to be executed by the processor, the program module including2. The electronic device of claim 1 , wherein the WLAN includes a Wi-Fi® network.3. The electronic device of claim 1 , wherein obtaining the one or more performance metrics involves calculating a performance metric.4. The electronic device of ...

Wake-Up Frame with Configurable Payload

An interface circuit in an electronic device (such as an access point) may utilize a configurable wake-up-frame format. During operation, the interface circuit may receive a wake-up-radio (WUR)-setup request associated with a recipient electronic device, where the WUR-setup request specifies a proposed configurable wake-up-frame format. In response, the electronic device may determine the configurable wake-up-frame format to be used based at least in part on the proposed configurable wake-up-frame format. Then, the interface circuit may provide a WUR-setup response intended for the recipient electronic device, where the WUR-setup response specifies the configurable wake-up-frame format selected for use. Note that the configurable wake-up-frame format may specify a payload length in a wake-up frame and/or one or more operations of at least one of the recipient electronic device or the electronic device after the wake-up frame is transmitted by the electronic device. 1. An electronic device , comprising:a node configured to communicatively couple to an antenna; and receive a wake-up-radio (WUR)-setup request associated with the recipient electronic device, wherein the WUR-setup request specifies a proposed configurable wake-up-frame format; and', 'provide a WUR-setup response intended for the recipient electronic device,, 'an interface circuit, communicatively coupled to the node, configured to communicate with a recipient electronic device, and configured towherein the WUR-setup response specifies a selected configurable wake-up-frame format.2. The electronic device of claim 1 , wherein the electronic device is configured to determine the selected configurable wake-up-frame format based at least in part on the proposed configurable wake-up-frame format.3. The electronic device of claim 1 , wherein the interface circuit is configured to provide a wake-up frame for the recipient electronic device comprising the selected configurable wake-up-frame format.4. The ...

Methods and Apparatus for Adaptive Receiver Diversity in a Wireless Network

Apparatus and methods for implementing “intelligent” receive diversity management in e.g., a mobile device. In one implementation, the mobile device includes an LTE-enabled UE, and the intelligent diversity management includes selectively disabling receive diversity (RxD) in that device upon meeting a plurality of criteria including (i) a capacity criterion, and (ii) a connectivity criterion. In one variant, the capacity criterion includes ensuring that an achievable data rate associated with a single Rx (receive) chain is comparable to that with RxD. 120.-. (canceled)21. A method for intelligently performing adaptive receive diversity , the method comprising , determining a connectivity condition;', 'communicating via a wireless receiver, the wireless receiver configurable in at least a first diversity-enabled scheme and a second diversity-enabled scheme;', 'wherein the first diversity-enabled scheme supports a higher data capacity than the second diversity-enabled scheme;', 'comparing a current connection quality to the connectivity condition;', 'when the current connection quality satisfies the connectivity condition, transitioning to the second diversity-enabled scheme; and', 'when operating in the first diversity-enabled scheme, 'when the current connection quality does not satisfy the connectivity condition, transitioning to the first diversity-enabled scheme.', 'when operating in the second diversity-enabled scheme], 'at a mobile device22. The method of claim 21 , wherein the current connectivity quality satisfies the connectivity condition when the current connectivity quality is greater than a first threshold and there is a lack of cyclic redundancy check (CRC) failures over one or more consecutive paging cycles.23. The method of claim 21 , wherein the current connectivity quality satisfies the connectivity condition when the current connectivity quality is a reference signal signal to interference plus noise ratio of non-diversity operation (RS_SINR) that ...

Communication of Persistent or Predictive Scheduling Information

An electronic device that determines a transmission schedule is described. This electronic device may include an interface circuit that communicates with a recipient electronic device. During operation, the electronic device may receive a frame with scheduling-request information that is associated with the recipient electronic device. The scheduling-request information may include a buffer status report for persistent traffic, and the frame may be compatible with an IEEE 802.11 communication protocol. For example, the frame may include a scheduling-request management frame. Alternatively, the frame may include a data frame and the scheduling-request information may be included in a media access control (MAC) frame header, such as a high-efficiency (HE) variant high-throughput (HT) control header. Then, the electronic device may determine the transmission schedule based at least in part on the scheduling-request information. 1. An electronic device , comprising:a node configured to communicatively couple to an antenna; and 'receive, from the node, a frame with scheduling-request information that is associated with the recipient electronic device, wherein the scheduling-request information comprises a buffer status report for persistent traffic, and wherein the frame is compatible with an IEEE802.11 communication protocol.', 'an interface circuit, communicatively coupled to the node, configured to communicate with a recipient electronic device, where the interface circuit is configured to2. The electronic device of claim 1 , wherein the frame comprises a scheduling-request management frame.3. The electronic device of claim 1 , wherein the frame comprises a data frame and the scheduling-request information is included in a media access control (MAC) frame header.4. The electronic device of claim 3 , wherein the MAC frame header comprises a high-efficiency (HE) variant high-throughput (HT) control header.5. The electronic device of claim 1 , wherein the scheduling- ...

Adaptation Techniques in MIMO

A method of the multiple input multiple output feedback is disclosed. In accordance with an embodiment of the invention, the multiple input multiple output feedback method includes a receiver receiving a reference signal from a base station and calculating a signal to interference and noise ratio from the received reference signal. The method further includes determining a modulation and coding scheme based on the signal to interference and noise ratio and a receiver type. 125-. (canceled)26. A system for link adaptation in MIMO systems , comprising:a receiver circuit of a linear receiver type or a non-linear receiver type;a plurality of antenna ports configured to couple to a plurality of antennas, respectively, and to receive signals thereat, wherein the receiver circuit is configured to determine a signal to interference and noise ratio (SINR) of one or more received signals;a determiner logic configured to determine a mapping of signal to interference and noise ratio (SINR) to modulation and coding scheme (MCS), wherein the mapping is dependent on the receiver type of the receiver; anda selection logic configured to select a modulation and coding scheme (MCS).27. The system of claim 26 , where the linear receiver type is a minimum mean square error (MMSE) receiver.28. The system of claim 26 , where the non-linear receiver type is a maximum likelihood (ML) receiver.29. The system of claim 26 , where the receiver circuit is located in a user equipment (UE).30. The system of claim 26 , where the receiver circuit is located in a base station.31. The system of claim 26 , where the determiner logic is located in a UE.32. The system of claim 26 , where the determiner logic is located in a base station.33. The system of claim 26 , where the modulation and coding scheme (MCS) is one of QPSK claim 26 , 16QAM claim 26 , 64QAM claim 26 , BPSK.34. The system of claim 26 , where the receiver circuit comprises at least two receiver types.35. The system of claim 26 , where the ...

Peer to Peer Mobile User Equipment Communication with On-Demand Discovery Signal Transmission

In some embodiments, a user equipment device (UE) implements a method for discovering the presence of neighboring UEs using an on-demand discovery signal transmission technique. This discovery process may be performed to enable the UEs to perform peer-to-peer communications with each other, wherein peer-to-peer communications is defined as direct communication between the UEs without involving a base station. The UE may be configured to transmit a discovery request signal when it has moved greater than a threshold amount since transmission of a prior discovery request signal. The discovery request signal causes one or more neighboring UEs to each transmit a discovery signal in response, and also causes the UE which generated the discovery request signal to transmit its own discovery signal. The received discovery signal from each of the neighboring UEs is useable to discover, or detect the presence of, these neighboring UEs.

FILTERING OF WI-FI PHYSICAL LAYER MEASUREMENTS

A station (STA) can receive messages (e.g., beacon frames) at a regular interval, and perform measurements on the received messages. The STA maintains a running average of recent measurement values, and updates the running average after each new measurement interval. At some measurement opportunities, the expected messages cannot be received by the STA, and so the STA cannot perform a measurement; when this occurs, the STA can choose substitute values to use for the missed measurements when next calculating the running average. As one example, the STA can substitute the value for a previously-performed measurement for the missed measurements. As another example, the STA can substitute a predetermined low value for the missed measurements. Based on the value of the running average at a given point in time, the STA can take actions such as initiating a roaming scan or switching to a different wireless interface. 1. A method for use in an electronic device , the method comprising:obtaining a set of one or more measurement values based on signals received by the electronic device during an averaging time window, each measurement value corresponding to a particular measurement interval in the averaging time window;obtaining a set of one or more substitute values for one or more measurement intervals in the averaging time window when signals are not successfully received during corresponding measurement intervals;determining an average measurement value for the averaging time window based on the set of one or more measurement values and on the set of one or more substitute values; andperforming a corrective action when the average measurement value satisfies a performance criterion.2. The method of claim 1 , wherein obtaining the set of substitute values for one or more measurement intervals in the averaging time window comprises one or more of:using the measurement value from a prior measurement interval in which a signal was successfully received;using the measurement ...

Arbitrator for Multi-Radio Antenna Switching

A user equipment device (UE) may be configured to collect first performance information from antennas of a first plurality of antennas. The first plurality of antennas may be coupled to a first radio of the UE that may be configured to perform wireless communications according to a first RAT. The UE may determine, based on at least the first performance information, a highest performing antenna of the first plurality of antennas to use for communications according to the first RAT. Additionally, the UE may determine, also based on at least the first performance information, a first antenna of a second plurality of antennas to use for communications according to a second RAT. The second plurality of antennas may be coupled to a second radio of the UE that may be configured to perform wireless communications according to the second RAT.

Wi-Fi Adaptive Transmit Antenna Selection

Wireless communication devices (UEs) may include multiple receive (RX) chains and associated antennas, and at least one transmit (TX) chain co-located with one of the RX chains. The UE may track instant fading of the antenna gain(s) during reception of packets from an associated access point (AP) device to which the UE intends to transmit packets. The UE may also track long term antenna gain(s), using any packets received at the multiple RX chains within the UE. At a switching occasion, a decision is made by the UE whether to switch antennas. If the instant fading detection is based on packets received no later than a specified time period prior to the switching occasion, then the UE may make the switching decision based on the results of the instant fading tracking. Otherwise, the UE may make the switching decision based on the results of the long term antenna gain tracking.

Wi-Fi Adaptive Receiver Diversity

Wireless communication devices with multiple receive (RX) chains may be operated to maintain high performance while saving power. This may be accomplished by evaluating signal strength during transmission of the RX packets, and/or evaluating a possible imbalance (gain difference) between the multiple RX chains within the wireless communication device. Signal strength (or good signal) detection may be enabled when non-MIMO (non-multiple-in-multiple-out) transmissions are taking place, while imbalance detection (antenna gain comparison) may be enabled when a specified number of single-stream packets have been received. Once the decision has been made to operate in a reduced number RX path mode, decision to reactivate one or more additional RX paths may be made based on MIMO detection, a detection of a drop in signal quality, and/or upon expiration of a power save timer.

Adaptive Receive Diversity during Discontinuous Reception in Mobile Wireless Device

A mobile wireless device adapts receive diversity during discontinuous reception based on downlink signal quality, page indicators and page messages. When the downlink signal quality exceeds a pre-determined threshold, the mobile wireless device decodes a page indicator channel through an initial antenna, and otherwise, decodes a paging channel through the initial antenna without decoding the page indicator channel. The mobile wireless device switches to decoding the paging channel through an alternate antenna when a page indicator decodes as an erasure. When a paging message received through a single antenna decodes with an incorrect error checking code, the mobile wireless devices enables receive diversity through multiple antennas for subsequent decoding. The mobile wireless device switches between single antenna reception and multiple antenna reception based on tracking multiple consecutive error checking code failures and successes. 1. A mobile wireless device in communication with a wireless network , comprising:a first receiver and a second receiver interconnected with a first antenna and a second antenna through a switch; and decode at least one page indicator received on a page indicator channel through the first antenna when a measured downlink signal quality exceeds a pre-determined threshold;', 'decode one or more page messages received on a paging channel through the first antenna without decoding the page indicator channel when the measured downlink signal quality does not exceed the pre-determined threshold;', 'where the paging channel and the page indicator channel are separate;', 'decode one or more page messages received on the paging channel through the second antenna when a first page indicator received on the page indicator channel through the first antenna decodes as an erasure value, where the erasure value indicates that an unequivocal value is not present; and', 'decode one or more page messages received on the paging channel through the ...

Method for implementing autonomous management of radio resources across dual networks

Managing radio resources across dual networks includes a wireless mobile device connecting to a first wireless network using a first radio access technology. The wireless device may notify the first network of a capability to be temporarily non-responsive to the first network while maintaining a signaling connection to the first network. The wireless device may communicate with a second network. The wireless device may return to communicating with the first network subsequent to communicating with the second network, and in response to communicating with the second network for less than a predetermined amount of time, the wireless device may send a scheduling request to the first network. In response to receiving a grant acknowledgement from the first network, the wireless device may send a buffer status report that includes a value such as zero to indicate that the wireless device has returned to and can communicate with the first network.

SINGLE-RADIO DEVICE SUPPORTING COEXISTENCE BETWEEN MULTIPLE RADIO ACCESS TECHNOLOGIES

Electronic devices may be provided that contain wireless communication circuitry. The wireless communication circuitry may include radio-frequency transceiver circuitry coupled to antennas. An electronic device may include a baseband processor and other storage and processing circuitry that implements protocol stacks for handling multiple radio access technologies. The storage and processing circuitry may use the transceiver circuitry to convey data using a first radio access technology while periodically interrupting the conveying of the data to monitor a paging channel using a second radio access technology. In performing the paging channel monitoring operations, the storage and processing circuitry may enforce a time limit that ensures that operations using the first radio access technology are not disrupted more than desired. 1. A method for using an electronic device to communicate with a wireless network using a first radio access technology and a second radio access technology , comprising:with wireless circuitry in the electronic device, conveying wireless data traffic using the first radio access technology;temporarily interrupting the conveying of the wireless data traffic to monitor a paging channel associated with a second radio access technology; andenforcing a time limit on the temporary interruption of the conveying of the wireless data traffic,wherein enforcing the time limit comprises ensuring that the time limit is less than an inactivity time period after which the electronic device would transition from a connected state to an idle state.2. The method as recited in claim 1 , wherein enforcing the time limit further comprises ensuring that the time limit is less than a radio resource control (RRC) timeout time period after which the electronic device would transition from an RRC connected state to an RRC with re-establishment procedure state.3. The method as recited in claim 1 , wherein the inactivity time period corresponds to a maximum time ...

FACILITATING IN-DEVICE COEXISTENCE BETWEEN WIRELESS COMMUNICATION TECHNOLOGIES

A method for facilitating in-device coexistence between wireless communication technologies on a wireless communication device is provided. The method can include transmitting data traffic from the wireless communication device via an aggressor wireless communication technology; determining occurrence of an in-device interference condition resulting from transmission of the data traffic via the aggressor wireless communication technology interfering with concurrent data reception by the wireless communication device via a victim wireless communication technology; and reducing a bit rate of the data traffic transmitted via the aggressor wireless communication technology in response to the in-device interference condition. 1. A wireless communication device comprising:a cellular communication interface that is configured to communicate using Long Term Evolution (LTE) or Long Term Evolution Advanced (LTE-A) technology;a second communication interface that is configured to communicate using one or more of Wi-Fi technology and Bluetooth technology; and transmit data traffic via the cellular communication interface;', 'determine occurrence of an in-device interference condition resulting from transmission of the data traffic via the cellular communication interface interfering with concurrent data reception via the second communication interface; and', 'reduce a bit rate of the data traffic transmitted via the cellular communication interface in response to the in-device interference condition., 'processing circuitry coupled to the cellular communication interface and to the second communication interface, wherein the processing circuitry is configured to control the wireless communication device to at least2. The wireless communication device of claim 1 , wherein the processing circuitry is configured to control the wireless communication to reduce the bit rate of the data traffic at least in part by reducing a bit rate of data provided to a protocol stack for ...

FACILITATING IN-DEVICE COEXISTENCE BETWEEN WIRELESS COMMUNICATION TECHNOLOGIES

A method for facilitating in-device coexistence between wireless communication technologies on a wireless communication device is provided. The method can include transmitting data traffic from the wireless communication device via an aggressor wireless communication technology; determining occurrence of an in-device interference condition resulting from transmission of the data traffic via the aggressor wireless communication technology interfering with concurrent data reception by the wireless communication device via a victim wireless communication technology; and reducing a bit rate of the data traffic transmitted via the aggressor wireless communication technology in response to the in-device interference condition. 1. (canceled)2. A wireless device comprising:a first wireless interface configurable to communicate in accordance with a first radio access technology (RAT);a second wireless interface configurable to communicate in accordance with a second RAT; and determine occurrence of an in-device interference condition resulting from transmission of data traffic via the first wireless interface; and', 'adjust a property of at least a portion of data traffic transmitted via the first wireless interface in response to the in-device interference condition,', 'wherein the wireless device determines occurrence of the in-device interference condition based on a comparison of measurements performed by the second wireless interface when data traffic is transmitted via the first wireless interface and when no data traffic is transmitted via the first wireless interface., 'processing circuitry communicatively coupled to the first and second wireless interfaces and configured to cause the wireless device to3. The wireless device as recited in claim 2 , wherein the measurements comprise observed data error rates for data traffic received via the second wireless interface.4. The wireless device as recited in claim 2 , wherein the measurements comprise observed noise floors ...

Mobile Terminated IMS Calls on Devices Which Support Wi-Fi and Cellular Radios

Embodiments relate to apparatus, systems, and methods for reception of calls on a mobile device that includes Wi-Fi and cellular radios. The mobile device may be configured to establish communication on a Wi-Fi network with a cellular carrier. The mobile device may further be configured to register a first IP address with an IMS server for the Wi-Fi network communication and register a second IP address with the IMS server for the cellular network communication (or register different ports of a single IP address with Wi-Fi and cellular). Upon occurrence of a mobile terminating call from the cellular carrier, the mobile device may receive an incoming call notification on one or both of the Wi-Fi network using the first IP address and the cellular network using the second IP address. 1. A mobile device , comprising:at least one antenna;a first radio, wherein the first radio is configured to perform cellular communication with a cellular base station using at least one cellular radio access technology (RAT);a second radio, wherein the second radio is configured to perform Wi-Fi communication with a Wi-Fi access point;at least one processor communicatively coupled to the first and second radios, wherein the mobile device is configured to perform voice and/or data communications; establish communication with a cellular carrier over a Wi-Fi network;', 'register, with an IMS server, a first IP address associated with the Wi-Fi network communication;', 'register, with the IMS server, a second IP address associated with the communication with the cellular network;, 'wherein the mobile device is configured towherein, upon occurrence of a mobile terminating call received from the cellular carrier, an incoming call notification on the Wi-Fi network is transmitted to the mobile device using the first IP address and an incoming call notification on the cellular network is transmitted to the mobile device using the second IP address;wherein the mobile device is configured to ...

Waveform Design for Wi-Fi Time-of-Flight Estimation

Some embodiments relate to a waveform design for time-of-flight estimation in a wireless communication system. The waveform may include a number N of signal tones, wherein the number N of signal tones is greater than a number M of signal tones that the receiving wireless device is configured to decode. Upon receipt of the waveform, the receiving wireless device may store a timestamp which indicates a time of receipt of the waveform. The receiving wireless device may decode M of the N signal tones. For example, the receiving wireless device may decode the middle M signal tones of the N signal tones. One or more of the transmitting or receiving wireless devices may then estimate a distance between them based at least in part on the timestamp.

Unlicensed Band Management Control Indicators

An evolved Node B (eNB) serves as a primary serving cell (PCell) providing a primary component carrier (PCC) in a licensed spectrum to a user equipment (UE) in a carrier aggregation (CA) scheme. A secondary component carrier (SCC) is provided in an unlicensed spectrum. The eNB monitors parameters of bandwidths in the unlicensed spectrum, when at least one of the parameters indicates a change in availability of a select one of the bandwidths, the eNB generates a control indicator defining the change in availability of the bandwidth and broadcasts the control indicator to the UE, wherein the control indicator affects a modification in a transceiver of the UE associated with the bandwidth. 1. A method , comprising:at an evolved Node B (eNB) serving as a primary serving cell (PCell) providing a primary component carrier (PCC) in a licensed spectrum to a user equipment (UE) in a carrier aggregation (CA) scheme, wherein a secondary component carrier (SCC) is provided in an unlicensed spectrum:monitoring parameters of bandwidths in the unlicensed spectrum;when at least one of the parameters indicates a change in availability of a select one of the bandwidths, generating a control indicator defining the change in availability of the bandwidth; andbroadcasting the control indicator to the UE,wherein the control indicator affects a modification in a transceiver of the UE associated with the bandwidth.2. The method of claim 1 , wherein the control indicator is a part of a dedicated control resource set including a downlink control information (DCI).3. The method of claim 2 , wherein the DCI is a carrier off DCI defining when the bandwidth is unavailable claim 2 , wherein the at least one parameter comprises an occupation time of the bandwidth.4. The method of claim 3 , wherein the carrier off DCI defines the occupation time as a number of one of slots or subframes that the bandwidth is unavailable.5. The method of claim 3 , wherein the modification comprises a receiver chain ...

Device and Method for Discovery Channel Hopping Scheme

A device and method generates a hopping scheme for mobile stations of a wireless network. The method includes receiving a number of channels N of the wireless network. The method includes generating a shuffling matrix as a function of the number of channels N, each row of the shuffling matrix being indicative of a respective one of the mobile stations, each column of the shuffling matrix being indicative of a respective broadcast time of a discovery signal in a hopping scheme. The method includes generating the hopping scheme for the mobile stations in the channels as a function of the shuffling matrix. The hopping scheme maximizes an interval between two consecutive broadcast times that any two of the mobile stations are assigned to transmit discovery signals on adjacent channels. 1. A method , comprising: receiving a number of channels N of a wireless network;', 'generating a shuffling matrix as a function of the number of channels N, each row of the shuffling matrix being indicative of a respective one of a plurality of mobile stations, each column of the shuffling matrix being indicative of a respective broadcast time of a discovery signal in a hopping scheme; and', 'generating the hopping scheme for the mobile stations in the channels as a function of the shuffling matrix,', 'wherein the hopping scheme dynamically maps a physical resource of the mobile station to one of the channels,', 'wherein the hopping scheme is generated such that each channel hops across all of the physical resources with substantially equal frequency, and', 'wherein the hopping scheme maximizes an interval between two consecutive broadcast times that any two of the mobile stations are assigned to transmit discovery signals on adjacent channels., 'at a mobile station2. The method of claim 1 , wherein the shuffling matrix is generated as a function of whether a resultant value generated as a function of the number of channels N is a prime number.3. The method of claim 2 , further ...

Adaptive Partial Packet Decoding

A user device receives packets from a base station. The user device may invoke decoding while the packet is still being received, based on the incomplete contents of a given packet. This “partial packet decoding” relies on the fact that the underlying information in the packet is encoded with redundancy (code rate less than one). If link quality is poor, the partial packet decoding is likely to be unsuccessful, i.e., to fail in its attempt to recover the underlying information. To avoid waste of power, the user device may be configured to apply one or more tests of link quality prior to invoking the partial packet decoding on a current packet. 1. A method performed by a wireless communication device , the method comprising:in response to a start of a transmission interval for a current packet, selectively allowing or disallowing a partial packet decoding process based on whether or not a first measure of a first quality parameter of a communication link is better than a first quality standard; and obtaining a second measure of a second quality parameter of the communication link, wherein the second quality parameter is different than the first quality parameter;', 'selectively performing or not performing the partial packet decoding process on the current packet based on whether or not the second measure of the second quality parameter of the communication link is better than a second quality standard., 'when the partial packet decoding process is allowed2. The method of claim 1 , wherein the first quality parameter is a block error rate or bit error rate of the communication link.3. The method of claim 1 , wherein the first quality parameter is a signal to noise ratio associated with a physical channel of the communication link.4. The method of claim 1 , wherein the second quality parameter is a signal to noise ratio (SNR) associated with the communication link.5. The method of claim 1 , wherein the second quality parameter includes a number of power control DOWN ...

LTE/1X Dual-Standby with Single-Chip Radio

Electronic devices may be provided that contain wireless communication circuitry. The wireless communication circuitry may include radio-frequency transceiver circuitry coupled to antennas by switching circuitry. Multiple radio access technologies may be supported. A device may include first and second antennas. Control circuitry can configure the transceiver circuitry and switching circuitry to support operation of the device in active and idle modes for each radio access technology. In some configurations, both antennas may be used to support operations associated with one of the radio access technologies. In other configurations, the first antenna may be used to support operations with a first of the radio access technologies while the second antenna is used to support operations with a second of the radio access technologies. 17.-. (canceled)8. A method , comprising:monitoring, by a mobile device that supports communications a first radio access technology (RAT) and a second RAT, wireless signal quality for at least the first RAT, wherein the mobile device includes a first antenna and a second antenna;using, during a first at least one page monitoring period, by the mobile device based on the monitored wireless signal quality, the first antenna to monitor a paging channel associated with the first RAT while simultaneously using the second antenna to convey wireless data traffic associated with the second RAT; andusing, by the mobile device subsequent to the first at least one page monitoring period, both the first antenna and the second antenna to convey wireless data traffic associated with the second RAT.9. The method of claim 8 , further comprising:using, during a second at least one page monitoring period, by the mobile device based on the monitored wireless signal quality, both the first antenna and the second antenna to monitor the paging channel associated with the first RAT.10. The method of claim 9 , wherein using both the first antenna and the second ...

WIRELESS ACCESS PROTOCOL WITH COLLABORATIVE SPECTRUM MONITORING

This application relates to electronic devices configured to connect to a wireless local area network and communicate using a trigger-based access mechanism. An access point is configured to manage the wireless local area network. The access point includes a processing subsystem configured to select a channel associated with a communications medium for communicating with the set of electronic devices. The processing subsystem is also configured to monitor the channel to detect interference from radio frequency sources not connected to the wireless local area network, receive channel information for at least one additional channel associated with the communications medium from the electronic devices, and configure an interface circuit of the access point to communicate with the set of electronic devices on a new channel based, at least in part, on the channel information. Each electronic device can be configured to collect the channel information and transmit the channel information to the access point for analysis. 1. An access point , comprising:one or more nodes configured to communicatively couple to an antenna;an interface circuit, communicatively coupled to the one or more nodes, configured to communicate with a set of electronic devices in a wireless local area network (WLAN); and select a channel associated with a communications medium for communicating with the set of electronic devices;', 'monitor the channel to detect interference from radio frequency (RF) sources not connected to the WLAN;', 'receive channel information for at least one additional channel associated with the communications medium from one or more electronic devices in the set of electronic devices; and', 'configure the interface circuit to communicate with the set of electronic devices on a new channel of the at least one additional channel., 'a processing subsystem, communicatively coupled to the interface circuit, configured to cause the access point to2. The access point of claim 1 , ...

Wi-Fi Adaptive Transmit Antenna Selection

Wireless communication devices (UEs) may include multiple receive (RX) chains and associated antennas, and at least one transmit (TX) chain co-located with one of the RX chains. The UE may track instant fading of the antenna gain(s) during reception of packets from an associated access point (AP) device to which the UE intends to transmit packets. The UE may also track long term antenna gain(s), using any packets received at the multiple RX chains within the UE. At a switching occasion, a decision is made by the UE whether to switch antennas. If the instant fading detection is based on packets received no later than a specified time period prior to the switching occasion, then the UE may make the switching decision based on the results of the instant fading tracking. Otherwise, the UE may make the switching decision based on the results of the long term antenna gain tracking.

FACILITATING IN-DEVICE COEXISTENCE BETWEEN WIRELESS COMMUNICATION TECHNOLOGIES

A method for facilitating in-device coexistence between wireless communication technologies on a wireless communication device is provided. The method can include transmitting data traffic from the wireless communication device via an aggressor wireless communication technology; determining occurrence of an in-device interference condition resulting from transmission of the data traffic via the aggressor wireless communication technology interfering with concurrent data reception by the wireless communication device via a victim wireless communication technology; and reducing a bit rate of the data traffic transmitted via the aggressor wireless communication technology in response to the in-device interference condition. 1. A wireless device comprising:a first wireless interface;a second wireless interface; and transmit, via the first wireless interface, data traffic encoded using a first codec;', 'detect an in-device interference condition impacting reception via the second wireless interface; and', 'switch to using a second codec to encode subsequent data traffic transmitted via the first wireless interface in response to the in-device interference condition,', 'wherein the second codec encodes data at a lower bit rate than the first codec., 'processing circuitry communicatively coupled to the first and second wireless interfaces and configured to cause the wireless device to2. The wireless device of claim 1 , wherein the processing circuitry is further configured to cause the wireless device to:determine whether the in-device interference condition persists while using the second codec; andswitch to using a third codec having a lower bit rate than the second codec in response to determining that the in-device interference condition persists.3. The wireless device of claim 1 , wherein the processing circuitry is further configured to cause the wireless device to:switch to using, in response to determining that the in-device interference condition persists, ...

HYPERSONIC LAMINAR FLOW CONTROL

A novel passive control technique for laminar flow over air transportation vehicles and space reentry vehicles flying at high supersonic and hypersonic speeds is disclosed. The control of laminar flow can be achieved by applying an array of surface roughness elements in the region before the laminar-turbulent transition. For example, an array of two-dimensional rings, stripes, or closely packed three-dimensional isolated roughness elements may be used to stabilize the instability waves and delay transition. The roughness elements may have a height between 40% and 60% of the local boundary-layer thickness. The exact location, height, and spacing of surface roughness elements may be determined by a numerical simulation strategy based on the most unstable second mode, e.g. using known etransition prediction method, experimental measurement, or any other suitable technique. 1. A supersonic vehicle , comprising:an exterior surface section having a leading edge for receiving compressible fluid flow over the exterior surface; andone or more surface roughness elements disposed on the exterior surface section to damp disturbances of the flow over the exterior surface;wherein the one or more surface elements are disposed on the exterior surface no closer to the leading edge than a synchronization point of mode S and mode F of the flow over the exterior surface section.2. A method of damping disturbances of flow over a supersonic vehicle , comprising:determine for an exterior surface section having a leading edge a most unstable frequency of compressible fluid flow over the exterior surface;determine a synchronization point of mode S and mode F of the flow over the exterior surface section from the leading edge; anddispose one or more surface roughness elements on the exterior surface section no closer to the leading edge than the synchronization point of mode S and mode F.3. The supersonic vehicle of claim 1 , wherein the one or more surface elements are disposed on the ...

Ultrasound-assisting quenching process and device for performing the same

An ultrasound-assisting quenching process includes: S1) connect the workpiece with the ultrasonic unit tightly; S2) heat the workpiece to the quenching temperature and then hold for a period of time; S3) start the ultrasonic unit, then the ultrasound energy can be injected into the workpiece directly; and S4) put the workpiece into the coolant quickly to make the workpiece to be quenched. The device for this process mainly includes the ultrasonic unit and a heating unit. This invention inputs the ultrasound energy into the workpiece during the quenching process. Under the action of the ultrasound, the grain size of the workpiece after quenching process will be much smaller compared with the conventional quenching process. Therefore, the ultrasound-assisting quenching process can improve the strength and plasticity of the material, and extend the life of the workpiece.

Apparatus, Systems and Methods For Interference Management in Massive Multiple-Input and Multiple-Output (MIMO) Operations

A method and a device for performing massive multiple-input and multiple-output (“MIMO”) operations with a user equipment (UE). The method and device receive signals from a UE within a coverage area of the device, determine a location of the UE within the coverage area and assign an operating frequency band to the UE for communication with the device, wherein the coverage area includes a plurality of regions and the operating frequency band assigned to the UE is based on the one of the regions corresponding to the location and transmit the operating frequency band assignment to the UE. 1. A method , comprising: determining a user equipment (“UE”) location of a first UE, wherein the base station communicates with the first UE via massive multiple-input and multiple-output (“MIMO”) operations;', 'assigning a frequency band to be used by the first UE based on the UE location;', 'identifying a new UE location of the first UE; and', 'adjusting the frequency band to be used by the first UE based on the new UE location., 'at a base station2. The method of claim 1 , wherein adjusting the frequency band narrows a range of frequencies to be used by the UE.3. The method of claim 1 , wherein the UE location is determined based on one of location information or signal quality information received from the UE.4. The method of claim 3 , wherein the location information includes one of Global Positioning Satellite (GPS) information claim 3 , global navigation satellite systems (GNSS) information claim 3 , visible WiFi access points information claim 3 , or visible evolved Node B information.5. The method of claim 3 , wherein the signal quality information includes one of a received signal strength information (RSSI) claim 3 , a channel quality indicator (“CQI”) claim 3 , a rank claim 3 , or a signal to noise plus interference ratio (“SNIR”).6. The method of claim 1 , wherein the base station includes a coverage area having a plurality of regions and wherein the UE location is in ...

Group Wake-Up and Keep-Alive Indication

An interface circuit in an electronic device (such as an access point) may provide a group wake-up packet to a group of recipient electronic devices in a set of recipient electronic devices. During operation, the interface circuit may select the group in the set of recipient electronic devices, where the group includes at least one of the recipient electronic devices. Then, the interface circuit may provide the group wake-up packet for the recipient electronic devices in the group with information that specifies that a subset of the recipient electronic devices in the group transition from a low-power mode. For example, the information may include a bitmap that specifies the subset and an identifier of the group. Note that the electronic device may dynamically define the group. Alternatively, the recipient electronic devices in the group may be static. 1. A recipient electronic device , comprising:a node configured to communicatively couple to an antenna; and receive, from the node, a group wake-up packet associated with the electronic device with information that specifies that a subset of recipient electronic devices in a group of recipient electronic devices; and', 'when the information specifies the recipient electronic device, provide, to the main radio, a wake-up signal that transitions the main radio from a low-power mode to a higher-power mode., 'an interface circuit, communicatively coupled to the node, configured to communicate with an electronic device, wherein the interface circuit comprises a wake-up radio and a main radio, and wherein the wake-up radio is configured to2. The recipient electronic device of claim 1 , wherein the electronic device comprises an access point.3. The recipient electronic device of claim 1 , wherein the information comprises a bitmap that specifies the subset.4. The recipient electronic device of claim 1 , wherein the information comprises an identifier of the group.5. The recipient electronic device of claim 4 , wherein the ...

Waveform Design for Wi-Fi Time-of-Flight Estimation

Some embodiments relate to a waveform design for time-of-flight estimation in a wireless communication system. The waveform may include a number N of signal tones, wherein the number N of signal tones is greater than a number M of signal tones that the receiving wireless device is configured to decode. Upon receipt of the waveform, the receiving wireless device may store a timestamp which indicates a time of receipt of the waveform. The receiving wireless device may decode M of the N signal tones. For example, the receiving wireless device may decode the middle M signal tones of the N signal tones. One or more of the transmitting or receiving wireless devices may then estimate a distance between them based at least in part on the timestamp.

Efficient Scan and Service Discovery

An interface circuit in an electronic device (such as an access point) may provide a wake-up beacon to a recipient electronic device. During operation, the interface circuit may provide a wake-up beacon associated with a predefined sub-channel in one or more channels in a band of frequencies, where the wake-up beacon is for a wake-up radio in the recipient electronic device. Moreover, the wake-up beacon may be provided within an associated time interval, such as a keep-alive interval of the electronic device. In some embodiments, the wake-up beacon includes a field with channel information that specifies one or more second channels used by a main radio in the recipient electronic device. Alternatively or additionally, the wake-up beacon may include a field with service information that specifies one or more types of services and/or a field with information specifying a transmit power of the interface circuit. 1. An electronic device , comprising:a node configured to communicatively couple to an antenna; and provide, to the node, a wake-up beacon associated with a predefined sub-channel in one or more channels in a band of frequencies, wherein the wake-up beacon is for a wake-up radio in the recipient electronic device; and', 'wherein the wake-up beacon is provided within an associated time interval., 'an interface circuit, communicatively coupled to the node, configured to communicate with a recipient electronic device, and configured to2. The electronic device of claim 1 , wherein the electronic device comprises an access point.3. The electronic device of claim 1 , wherein the wake-up beacon comprises a Low Power Wake Up Radio (LP-WUR) packet.4. The electronic device of claim 1 , wherein the time interval corresponds to a keep-alive interval of the electronic device.5. The electronic device of claim 1 , wherein the wake-up beacon comprises a field that comprises channel information specifying one or more second channels used by a main radio in the recipient ...

Wake-up-radio link adaptation

An interface circuit in a device, e.g., an access point, may perform link adaptation. During operation, the interface circuit may provide a wake-up frame, e.g., a LP-WUR packet, associated with a channel in a band of frequencies, where the wake-up frame is intended for a wake-up radio in a recipient device. Then, the interface circuit may receive, from the recipient device, feedback information associated with a second channel in a second band of frequencies, where the feedback information is associated with a main radio in the recipient device. Based at least in part on the feedback information, the interface circuit may estimate one or more communication metrics associated with the channel in the band of frequencies. Moreover, based at least in part on the one or more communication metrics, the interface circuit may determine a data rate for use in communication via the channel in the band of frequencies.

CQI Table for Wireless MIMO Networks

A Channel Quality Indicator table for wireless multiple input multiple output (MIMO) networks is disclosed. In one embodiment, a method of generating a table for channel quality indicator (CQI) for an open loop MIMO transmission includes calculating performance of a link between a transmitter and a user end unit for each MIMO transmission mode over a range of average signal-to-noise ratio, and selecting the MIMO transmission mode that maximizes performance for each subset of the range of average signal-to-noise ratio. The method further includes storing the selected MIMO transmission mode and the corresponding subset of the range of average signal-to-noise ratio in a CQI table, the CQI table being stored in an user end unit and a base transceiver station of the open loop MIMO network.

Method and apparatus for frequency domain compensation of DC offset in an orthogonal frequency division multiplexing system

Methods and systems are provided for estimating the DC offset distortion in a receiver. A fast Fourier transform is applied to at least a portion of a preamble portion of the received signal; an impact of the DC offset distortion on one or more empty subcarriers is determined; individual DC estimates are derived based on each of the determinations; and each of the individual DC estimates are combined to obtain an overall DC estimate.

Arbitrator for multi-radio antenna switching

A user equipment device (UE) may be configured to collect first performance information from antennas of a first plurality of antennas. The first plurality of antennas may be coupled to a first radio of the UE that may be configured to perform wireless communications according to a first RAT. The UE may determine, based on at least the first performance information, a highest performing antenna of the first plurality of antennas to use for communications according to the first RAT. Additionally, the UE may determine, also based on at least the first performance information, a first antenna of a second plurality of antennas to use for communications according to a second RAT. The second plurality of antennas may be coupled to a second radio of the UE that may be configured to perform wireless communications according to the second RAT.

Formulation coated self-cleaning wool

The present invention relates to methods of making articles, and systems for providing wool article have self- cleaning properties. The self-cleaning properties are brought about coating the wool articles with a photocatalyst formulation. The formulation contains titanium compounds, stabilizers, catalysts, and water.

Methods and apparatus for adaptive receiver diversity in a wireless network

Apparatus and methods for implementing “intelligent” receive diversity management in e.g., a mobile device. In one implementation, the mobile device includes an LTE-enabled UE, and the intelligent diversity management includes selectively disabling receive diversity (RxD) in that device upon meeting a plurality of criteria including (i) a capacity criterion, and (ii) a connectivity criterion. In one variant, the capacity criterion includes ensuring that an achievable data rate associated with a single Rx (receive) chain is comparable to that with RxD.

Method and apparatus for communicating orthogonal pilot tones in a multiple antenna communication system

Methods and apparatus are provided for communicating pseudo-orthogonal pilot tones in a multiple antenna communication system. Data is transmitted in a multiple antenna communication system having N transmit antennas by generating a number of pilot tones for each of the N transmit antennas, wherein the pilot tones for each of the N transmit antennas are pseudo-orthogonal with each other; and transmitting the data on each of the N transmit antennas. The pilot tones are generally embedded in the data. Data is received in a multiple antenna communication system having N transmit antennas by receiving the data on each of the N transmit antennas, wherein the data includes a number of pilot tones for each of the N transmit antennas, wherein the pilot tones for each of the N transmit antennas are pseudo-orthogonal with each other. The pilot tones can be orthogonal in the frequency domain, time domain, spatial domain, or all of them.

Methods and apparatus for adaptive receiver diversity in a wireless network

Method and apparatus for improved efficiency in an extended multiple antenna communication system

Methods and apparatus are provided for improved efficiency in an extended multiple antenna communication system. A multiplier is employed on the number of points in the FFT that is greater than the multiplier on the frequency (bandwidth) of the legacy 802.11 a/g system. In one exemplary implementation, a 256 point FFT is employed in 40 MHz (with a 4N multiplier on the number of possible tones and a 2N multiplier on the frequency). While the efficiency for the OFDM symbol is improved, additional overhead is required in the preamble training (the length of the preamble is proportional to the number of tones in the FFT). Thus, a number of preamble constructs are provided that couple the improved efficiency with shorter preambles. In addition, an improved tone design provides additional efficiency gains.

LTE/1x dual-standby with single-chip radio

Electronic devices may be provided that contain wireless communication circuitry. The wireless communication circuitry may include radio-frequency transceiver circuitry coupled to antennas by switching circuitry. Multiple radio access technologies may be supported. A device may include first and second antennas. Control circuitry can configure the transceiver circuitry and switching circuitry to support operation of the device in active and idle modes for each radio access technology. In some configurations, both antennas may be used to support operations associated with one of the radio access technologies. In other configurations, the first antenna may be used to support operations with a first of the radio access technologies while the second antenna is used to support operations with a second of the radio access technologies.

Facilitating in-device coexistence between wireless communication technologies

A method for facilitating in-device coexistence between wireless communication technologies on a wireless communication device is provided. The method can include transmitting data traffic from the wireless communication device via an aggressor wireless communication technology; determining occurrence of an in-device interference condition resulting from transmission of the data traffic via the aggressor wireless communication technology interfering with concurrent data reception by the wireless communication device via a victim wireless communication technology; and reducing a bit rate of the data traffic transmitted via the aggressor wireless communication technology in response to the in-device interference condition.

Lte/1x dual-standby with single-chip radio

Electronic devices may be provided that contain wireless communication circuitry. The wireless communication circuitry may include radio-frequency transceiver circuitry coupled to antennas by switching circuitry. Multiple radio access technologies may be supported. A device may include first and second antennas. Control circuitry can configure the transceiver circuitry and switching circuitry to support operation of the device in active and idle modes for each radio access technology. In some configurations, both antennas may be used to support operations associated with one of the radio access technologies. In other configurations, the first antenna may be used to support operations with a first of the radio access technologies while the second antenna is used to support operations with a second of the radio access technologies.

A wearable signal input apparatus for a data processing system

The present invention discloses a wearable signal input apparatus for a data processing system, includes: a wearable unit, at least having a forefinger sleeve and middle finger sleeve; a position sensing unit, locating at said wearable unit, for detecting the movement of the forefinger and accordingly generating a displacement signal; the first and second buttons, locating at the forefinger sleeve and middle finger sleeve of said wearable unit respectively, for generating a button signal; a signal processing unit, locating at said wearable unit, for receiving said displacement signal and said button signal, and converting these signals into a signal which said data processing system can be recognized; a signal transmission unit, connected to said signal processing unit, for sending said recognizable signal to said data processing system; input switch unit, locating at said wearable unit and connected to said signal processing unit, for turning on and off said signal input apparatus. The present invention may conveniently implement switch cooperation with the other input devices, improve efficiency of the signal input.

Facilitating in-device coexistence between wireless communication technologies

A method for facilitating in-device coexistence between wireless communication technologies on a wireless communication device is provided. The method can include transmitting data traffic from the wireless communication device via an aggressor wireless communication technology; determining occurrence of an in-device interference condition resulting from transmission of the data traffic via the aggressor wireless communication technology interfering with concurrent data reception by the wireless communication device via a victim wireless communication technology; and reducing a bit rate of the data traffic transmitted via the aggressor wireless communication technology in response to the in-device interference condition.

Apparatus, systems and methods for interference management in massive multiple-input and multiple-output (mimo) operations

A method and a device for performing massive multiple-input and multiple-output ("MIMO") operations with a user equipment (UE). The method and device receive signals from a UE within a coverage area of the device, determine a location of the UE within the coverage area and assign an operating frequency band to the UE for communication with the device, wherein the coverage area includes a plurality of regions and the operating frequency band assigned to the UE is based on the one of the regions corresponding to the location and transmit the operating frequency band assignment to the UE.

Apparatus and methods for synchronization recovery in a hybrid network

Methods and apparatus for synchronizing operational state during hybrid network operation. In one embodiment, the various access technologies that makeup the hybrid network not fully synchronized. Thus, a wireless device operating in a mixed mode must be capable of managing synchronization across multiple access technologies. The wireless device is configured to estimate an expected “tune-away” period when disengaging with a one access technology to address events (for example, link maintenance, calls, data, and the like) or perform monitoring on a second access technology. The estimate is then used by the device to adjust its operational parameters on the technology from which it is tuning away. This ensures smooth switching away from and back to the various network technologies.

Light-emitting device and display panel

The present application discloses a light-emitting device and a display panel. The present application provides a light-emitting device, wherein a light-emitting color of the light-emitting device is a primary color of either red or green, and the light-emitting device comprises: a light-emitting layer comprising a host material; a compensation layer for carrying holes and disposed on a hole injection side of the light-emitting layer; the light-emitting device has a starting state and an operating state, and a starting voltage of the light-emitting device in the starting state is lower than an operating voltage of the light-emitting device in the operating state; in the starting state, there is a first activation energy difference value ΔEa 1 between activation energies of the host material and the compensation layer, and the first activation energy difference value ΔEa 1 <0 eV. The light-emitting device provided by the embodiment of the present application has a higher starting voltage, which avoids the problem of display color shift when the display panel is displayed at a low grayscale, and improves the color rendering accuracy of the display panel.

Wake-up frame with configurable payload

Ultrasound-assisting quenching process and device for performing the same

An ultrasound-assisting quenching process includes: S1) connect the workpiece with the ultrasonic unit tightly; S2) heat the workpiece to the quenching temperature and then hold for a period of time; S3) start the ultrasonic unit, then the ultrasound energy can be injected into the workpiece directly; and S4) put the workpiece into the coolant quickly to make the workpiece to be quenched. The device for this process mainly includes the ultrasonic unit and a heating unit. This invention inputs the ultrasound energy into the workpiece during the quenching process. Under the action of the ultrasound, the grain size of the workpiece after quenching process will be much smaller compared with the conventional quenching process. Therefore, the ultrasound-assisting quenching process can improve the strength and plasticity of the material, and extend the life of the workpiece.

Actuator for adjusting display terminal and vehicle

Unlicensed Band Management Control Indicators

An evolved Node B (eNB) serves as a primary serving cell (PCell) providing a primary component carrier (PCC) in a licensed spectrum to a user equipment (UE) in a carrier aggregation (CA) scheme. A secondary component carrier (SCC) is provided in an unlicensed spectrum. The eNB monitors parameters of bandwidths in the unlicensed spectrum, when at least one of the parameters indicates a change in availability of a select one of the bandwidths, the eNB generates a control indicator defining the change in availability of the bandwidth and broadcasts the control indicator to the UE, wherein the control indicator affects a modification in a transceiver of the UE associated with the bandwidth.

Accurate grid locking method for target composite tracking system in terminal area

An accurate grid locking method for a target composite tracking system in a terminal area comprises a cooperative engagement processer in each platform which performs for arranging a radar data storage structure, storing the target plot data received by the cooperative engagement processer in the corresponding radar data storage structure one by one, processing target plot data of a previous sector to form a target track, distributing the obtained target track to another platform on a data link, and receiving track data of a remote target distributed by another platform, inputting the track data into the plot data storage structure of the platform.

智慧型接收器操作之方法及裝置

Light-emitting device, material screening method and display panel

A light-emitting device, a material screening method and a display panel. The light-emitting device of a first aspect of the present application includes a light-emitting layer including a host material and a guest material. When a carrier is injected into the light-emitting layer, there is a defect energy Et between the host material and the guest material, and an absolute value of the defect energy Et is greater than or equal to 0.03 eV. A light-emitting efficiency of the light-emitting device in a high-luminance state is improved and an operating voltage of the light-emitting device is reduced, which can ensure a display quality of the display panel in the high-luminance state and reduce an overall power consumption of the display panel.

Light-emitting device, material screening method, and display panel

The present application discloses a light-emitting device, a material screening method and a display panel. The light-emitting device of a first aspect of the present application includes a light-emitting layer including a host material and a guest material, wherein when a carrier is injected into the light-emitting layer, there is a defect energy Et between the host material and the guest material, and an absolute value of the defect energy Et is greater than or equal to 0.03 eV. A light-emitting efficiency of the light-emitting device in a high-luminance state is improved and an operating voltage of the light-emitting device is reduced, which can ensure a display quality of the display panel in the high-luminance state and reduce an overall power consumption of the display panel.

Dual network mobile device radio resource management

A single chip mobile wireless device capable of receiving and transmitting over one wireless network at a time maintains registration on two wireless communication networks that each use different communication protocols in parallel. Periodically, the mobile wireless device tunes one or more receivers from a first wireless network to a second wireless network in order to listen for paging messages addressed to the mobile wireless device from the second wireless network. The first wireless network suspends allocation of radio resources to the mobile wireless device based on receipt of a suspension message from the mobile wireless device, or based on knowledge of a paging cycle for mobile wireless device in the second wireless network, or based on detection of an out of synchronization condition with the mobile wireless device.

Steueranzeiger für Verwaltung unlizenzierter Bänder

Ein entwickelter Knoten B (evolved Node B (eNB)) dient als eine primäre bedienende Zelle (primary serving cell (PCell)), die einen primären Komponententräger (primary component carrier (PCC)) in einem lizenzierten Spektrum einer Benutzerausrüstung (user equipment (UE)) in einem Trägeraggregations(carrier aggregation (CA))-Schema bereitstellt. Ein sekundärer Komponententräger (secondary component carrier (SCC)) wird in einem unlizenzierten Spektrum bereitgestellt. Der eNB überwacht Parameter von Bandbreiten in dem unlizenzierten Spektrum, wenn mindestens einer der Parameter eine Änderung der Verfügbarkeit für eine ausgewählte der Bandbreiten anzeigt, der eNB erzeugt einen Steueranzeiger, der die Änderung der Verfügbarkeit auf die Bandbreite definiert, und strahlt den Steuerindikator an die UE aus, wobei der Steueranzeiger eine Modifikation in einem Sendeempfänger der UE beeinflusst, welcher der Bandbreite zugeordnet ist.

Actuator for adjusting display terminal and vehicle

An actuator for adjusting a display terminal and a vehicle are provided. The actuator includes: a mounting unit (10), the mounting unit (10) includes a rotating turntable (13) and a mounting shaft (15), one end of the rotating turntable (13) is configured to mount the display terminal (200), another end of the rotating turntable is fixedly connected to the mounting shaft (15); a drive unit (30), the drive unit (30) is configured to drive the mounting unit to rotate; and an elastic member (40), the elastic member is sleeved on the mounting shaft, and one end of the elastic member abuts to the axial limiting member (42), and the other end of the elastic member abuts to the housing of the drive unit.

Light-emitting device and display panel

A light-emitting device and a display panel. A light-emitting color of the light-emitting device is a primary color of either red or green, and the light-emitting device includes: a light-emitting layer with a host material; a compensation layer for carrying holes and disposed on a hole injection side of the light-emitting layer; the light-emitting device has a starting state and an operating state, and a starting voltage of the light-emitting device in the starting state is lower than an operating voltage of the light-emitting device in the operating state; in the starting state, there is a first activation energy difference value ΔEa1 between activation energies of the host material and the compensation layer, and the first activation energy difference value ΔEa1<0 eV.

Apparatus and methods for synchronization recovery in a hybrid network

Methods and apparatus for synchronizing operational state during hybrid network operation. In one embodiment, the various access technologies that makeup the hybrid network not fully synchronized. Thus, a wireless device operating in a mixed mode must be capable of managing synchronization across multiple access technologies. The wireless device is configured to estimate an expected "tune-away" period when disengaging with a one access technology to address events (for example, link maintenance, calls, data, and the like) or perform monitoring on a second access technology. The estimate is then used by the device to adjust its operational parameters on the technology from which it is tuning away. This ensures smooth switching away from and back to the various network technologies.

Apparatus and methods for synchronization recovery in a hybrid network

Methods and apparatus for synchronizing operational state during hybrid network operation. In one embodiment, the various access technologies that makeup the hybrid network not fully synchronized. Thus, a wireless device operating in a mixed mode must be capable of managing synchronization across multiple access technologies. The wireless device is configured to estimate an expected "tune-away" period when disengaging with a one access technology to address events (for example, link maintenance, calls, data, and the like) or perform monitoring on a second access technology. The estimate is then used by the device to adjust its operational parameters on the technology from which it is tuning away. This ensures smooth switching away from and back to the various network technologies.

Automatic improvement of software applications

A computer-implemented method including tracking data describing a new population of users of a software application including different graphical user interfaces (GUIs). The method also includes generating a distribution by mapping the data to lookalike cohorts. The method also includes extracting, using a random sampling algorithm, samples from the distribution. The method also includes generating, from the samples, a normal distribution of predicted long term values of the new population of users. The method also includes selecting an expected long term value from the normal distribution. The method also includes generating, from the normal distribution, an estimated distribution, around the expected long term value, of estimated long-term values for the new population. The method also includes selecting, using the expected long term value and the estimated distribution, a selected GUI from among the different GUIs. The method also includes modifying the software application by presenting the selected GUI.

Multi-device collaboration method, electronic device, and multi-device collaboration system

A distributed system is run in a device in the method. The distributed system includes a system service, a first-type service located at an upper layer of the system service, and a second-type service located at an upper layer of the first-type service and having an interface display function. Both the first-type service and the second-type service are atomic services. A second device migrates a teaching video to a first device, and the first device plays the teaching video. A second-type service in the first device may call a first-type service in another device, to control the another device to capture a user action picture video, process the teaching video and the user action picture video to obtain teaching guidance, and play the teaching guidance.

Coordinated channel state information reporting

Light-emitting device and display panel

A light-emitting device and a display panel. A light-emitting color of the light-emitting device is a primary color of either red or green, and the light-emitting device includes: a light-emitting layer with a host material; a compensation layer for carrying holes and disposed on a hole injection side of the light-emitting layer; the light-emitting device has a starting state and an operating state, and a starting voltage of the light-emitting device in the starting state is lower than an operating voltage of the light-emitting device in the operating state; in the starting state, there is a first activation energy difference value ΔEa 1 between activation energies of the host material and the compensation layer, and the first activation energy difference value ΔEa 1 <0 eV.