Transceiving switch-over control signal remaining method used in TD-SCDMA repeating system

The present invention relates to a method for maintaining the received, emitted, switching and control signal in the direct amplification system of TD-SCDMA. With the method, the direct amplification station automatically measures the deviation velocity of the received, emitted and switching signal and implements filtration process when the station is normally running; when the station encounterstransient strong interference and desynchronized, the station can automatically compensate to ensure the correct positions of received, emitted and switching signals. With the method, TD-SCDMA directamplification system can keep correct state when encountering transient strong interference and once the normal state resumes, the station can work normally immediately.

Image acquisition method and device, computer equipment, storage medium and program product

The invention relates to an image acquisition method and device, computer equipment, a storage medium and a program product. The method comprises the following steps: a computer device determines an initial route trajectory of an unmanned aerial vehicle according to a first containment model of a containment, then receives a first image of the containment sent by the unmanned aerial vehicle, establishes a second containment model of the containment according to the first image, determines shooting parameters of the unmanned aerial vehicle according to the resolution of a camera and a preset crack width, and sends the shooting parameters to the unmanned aerial vehicle; then determining a target route trajectory of the unmanned aerial vehicle according to the second containment model and the shooting parameters, and finally receiving a second image of the containment sent by the unmanned aerial vehicle, the image of the containment can be acquired according to the target route trajectory, ...

Device and method for automatically detecting jamming position of plumb line guide cylinder

The invention relates to an automatic detection device and method for a jamming position of a plumb line guide cylinder. The automatic detection device comprises an acquisition module, a timing module, a data processing module and a display module. According to the automatic detection device and method for the jamming position of the plumb line guide cylinder, the data processing module is in signal connection with the acquisition assembly, the data processing module is in signal connection with the timing module, and the data processing module is used for receiving the displacement parameter and the time parameter and generating the measurement result according to the displacement parameter and the time parameter; therefore, measurement results of one-to-one correspondence between the displacement parameters and the time parameters are obtained. And the display module is in signal connection with the data processing module and is used for receiving and displaying the measurement result ...

Satellite antenna snow melt deicing system

The utility model relates to a satellite antenna snow melt deicing system, it includes heater, rain and snow sensor, controller, temperature sensor, temperature data collection box and power module, the back of satellite antenna plane of reflection is provided with the heated board, and the heated board constitutes an airtight space with the back of satellite antenna plane of reflection, in airtight space, the circumference of following satellite antenna evenly is provided with the heater, and the sector at every heater place is a heating channel, be provided with temperature sensor among theheating channel, satellite antenna's principal reflection face edge is provided with rain and snow sensor, heater and rain and snow sensor all are connected with the controller, and temperature sensoris connected with the temperature data collection box, and the temperature data collection box is connected with the controller, and power module is the controller power supply. The utility model discloses ...

Device for dynamically regulating crystal vibration stability of WiMAX base station and implementing method thereof

Measuring controlling method of inter-system neighbor relation and base station

The invention discloses a measuring controlling method of an inter-system neighbor relation and a base station. The method includes that a used is allowed to configure an automatic neighbor relation (ANR) control strategy according to conditions of network planning, that is, active ANR or passive ANR is selected; when active ANR is used, if a terminal has the condition of executing ANR measurement, an external frequency point or a frequency group with weight which is largest and larger than 0 is selected to perform ANR measurement, and when an ANR measurement report which is reported by the terminal at the frequency point or on the frequency group and contains a physical cell identify is received, the weight of the current frequency point or the frequency group is self-adaptively updated according to whether a cell which is represented by the physical cell identify is known or not; if the number of times of the ANR measurement report which is reported by the terminal exceeds a preset threshold ...

Power controlling method for OFDM system base station receiver

The present invention provides a power control method of base station receiver applied in OFDM system, wherein the method comprises the following steps: a. RSSI calculating, executing multi-frame averaging and measured value abnormity point elimination for overcoming the abnormal power adjustment caused by abnormal measured value; b. calculating the deviation value between RSSI value and power reference value, executing loop filtering to the calculated deviation value with a variable loop filtering coefficient; and c. checking whether the present transmission power of SS obtains the maximum transmittable power, if the maximum transmittable power is obtained and the power correction value is a non-negative value, stopping transmitting power control information to SS, and until the SS transmission power is less than the maximum transmittable power or the power correction value is a negative value, transmitting power adjusting information to SS for informing power adjustment. The method according ...

Power controlling method for OFDM system base station receiver

The present invention provides a power control method of base station receiver applied in OFDM system, wherein the method comprises the following steps: a. RSSI calculating, executing multi-frame averaging and measured value abnormity point elimination for overcoming the abnormal power adjustment caused by abnormal measured value; b. calculating the deviation value between RSSI value and power reference value, executing loop filtering to the calculated deviation value with a variable loop filtering coefficient; and c. checking whether the present transmission power of SS obtains the maximum transmittable power, if the maximum transmittable power is obtained and the power correction value is a non-negative value, stopping transmitting power control information to SS, and until the SS transmission power is less than the maximum transmittable power or the power correction value is a negative value, transmitting power adjusting information to SS for informing power adjustment. The method according ...

Database updating method and system, and base station self-starting method and system

The method discloses a database updating method. The method is characterized by comprising the following steps of: receiving configuration file information of a new database comprising new data tables; for all the original data tables in the original database, searching whether the new database has the new data tables which have the same attribute as the original data tables in the original database; and if so, merging data in the new data tables into the original data tables according to the preset characteristics of all fields in the original data tables to generate the updated date tables. The invention also discloses a database updating system, a base station self-starting method and a base station self-starting system. Through the method and the system, the database is updated smoothly, so that the efficiency of database updating is improved further, human resources are saved and the operating cost of a communication network is reduced.

Base station signalling generator and utilization for testing WCDMA system

Authentication method and device of small-scale core network based on evolved packet system

The invention discloses an authentication method of a small-scale core network based on an evolved packet system. The small-scale core network comprises an NAS module which is used for achieving the function of an NAS of a mobility management entity on a core network side. The authentication method comprises the steps that the NAS module sends authentication parameters to an HSS to obtain a request message after the authentication process is triggered; the NAS module stores an XRES after receiving a response message which includes the authentication parameters obtained by the HSS through calculation, and the NAS module generates an authentication request message on the basis of the authentication parameters, and sends the authentication request message to UE so that the UE can carry out verification and calculation according to the authentication parameters included by the authentication request message; the NAS module receives a result which includes an actual response value obtained by ...

Method and repeater system for TD-SCDMA accurate time slot power measurement

The invention relates to a method and a repeater system of TD-SCDMA precise time-slot power measurement. The repeater system comprises a GPS module, a distance-testing module and a power detecting module; the GPS module is externally connected with a repeater station and provides pulsed signal, determining the position of the repeater station and a donor base station; the distance-testing module is put in the repeater station, receiving the pulsed signal and calculating the distance between the rising edge of the 1PPS pulse of the GPS module and the nearest 5 ms synchronous position; the power detecting module is also put in the repeater, receiving a precise time-slot pulsed signal and measuring power based on the output time-slot position. The system and the method in the invention can automatically measure the distance between the TD-SCDMA repeater system and the donor base station, generate the precise signal-controlling power detection and thereby precisely measure the uplink-downlink ...

Switched parameter self-optimizing method and device

The invention discloses a switched parameter self-optimizing method and device. The method comprises the following steps: determining the application ranges of measurement event parameters in advance according to a configuration flow of measurement events involved with cell switching, and dividing the type of switched parameter optimization carried out by adjusting the switched parameters into global optimization, local optimization and terminal optimization; attributing the root of the problem of switching to wrong cells to division into too early switching and too late switching in advance; determining the corresponding optimization type according to the type of abnormity of neighbouring region switching, and carrying out corresponding switched parameter adjustment. The switched parameter self-optimizing method and device have the beneficial effects that different grain sizes of optimization modes can be adopted according to the types of abnormity of neighbouring region switching; the ...

Method for adaptively regulating modulation encoding mode based on CINR

The present invention provides a method for adjusting modulation coding mode based on CINR self-adaption. The method comprises the following steps: computing multi-frame average value of CINR measured values, eliminating the abnormal values of CINR measured values according to the multi-frame average value, and using the average value of residual frames after eliminating the abnormal values as CINR statistic; preventing the fluctuation of chosen modulation coding mode when the CINR statistic falls in the CINR threshold junctions corresponding to two adjacent grade modulating coding modes, wherein the modulation coding mode of each grade is respectively provided with an exit threshold CINR_THfloor which is switched to low order, a least entering threshold CINR_THin and an exit threshold CINR_THceiling that is switched to high order and the switching area between the modulation coding modes of adjacent grades; and dynamically adjusting the CINR threshold corresponding with each modulation ...

Emergency base station and method for realizing emergency communication

The embodiment of the invention relates to an emergency base station and a method for realizing the emergency communication. The emergency base station comprises an analog processing front end, a D/A-A/D conversion module, an interface programmable logic array FPGA, a base-band processing module, a protocol control processing module, an E1-Ethnet conversion module, a power supply and a clock module. The application of the emergency base station and the method can provide a high emergency communication bandwidth in complex environment, reduce the power consumption and prolong the working time effectively.

Emergency base station and method for realizing emergency communication

The embodiment of the invention relates to an emergency base station and a method for realizing the emergency communication. The emergency base station comprises an analog processing front end, a D/A-A/D conversion module, an interface programmable logic array FPGA, a base-band processing module, a protocol control processing module, an E1-Ethnet conversion module, a power supply and a clock module. The application of the emergency base station and the method can provide a high emergency communication bandwidth in complex environment, reduce the power consumption and prolong the working time effectively.

Apparatus and method for obtaining switch point in TDD WiMAX straight amplification station

The invention relates to a device and a method for capturing conversion points in a time division duplex WiMAX repeater. The device includes a wireless receiver, an analog front end (AFE), a voltage controlled oscillator (VCO), a phase Locked Loop (PLL), a FPGA, a digital signal processor (DSP), a protocol processor MCP, a wireless modem, a monitoring interface, and a RF switch control signal interface. The device captures a downlink sudden parameter by parsing a frame control head (FCH) in a WiMAX signal frame and a downlink channel mapping (DL-MAP) in turn, parses the downlink channel description (DCD) information carried in the downlink suddenness according to a downlink sudden parameter, parses the DCD information for capturing the TTG and the RTG position information which is contained in the DCD information, and obtains the sending/receiving conversion points according to the TTG and the RTG position information and the frame demarcating information calculation captured by the frame ...

Transceiving switch-over control signal remaining method used in TD-SCDMA repeating system

Base band unit, base station and base station system

The invention provides a base band unit, a base station and a base station system. The base band unit comprises a base band data exchange module, a control module, a plurality of BPUs (branch processing units) and a back plate; the base band data exchange module and the BPUs realize data communication through the back plate with a data connecting wire; each BPU is connected with an RRU (remote radio unit) optical fiber; the BPUs are used for processing base band data transmitted by an RRU or forwarded by the base band data exchange module; the control module is used for generating forwarding control commands including source BPUs or/and target BPUs needing to forward the base band data according to a preset method; the base band data exchange module is used for forwarding the base band data received by the source BPUs to the target BPUs according to the forwarding control commands. When the single point of the base band data exchange module fails, the whole base station can still provide ...

Device for obtaining breaking point in TD-SCDMA direct-putting station

Measurement control method of neighbor relation in same system and base station

The invention discloses a measurement control method of neighbor relation in the same system and a base station. The measurement control method includes allowing users to allocate ANR (automatic neighbor relation) control strategy according to conditions of network planning, namely allowing the users to select active ANR or passive ANR; during use of the active ANR, selecting an external frequency point with maximum weight which is larger than zero to do ANR measurement if a terminal has conditions of executing the ANR measurement; after receiving an ANR measurement report which is reported on the frequency point and sent from the terminal and contains the physical cell identity, adaptively updating the weight of the current frequency point according to whether a cell represented by a physical cell identity is known or not; if the reporting times of the ANR measurement report sent from the terminal exceeds a preset threshold value or an ANR measurement timer of the terminal is overtime, ...

Voice service processing method and device of LTE ( long term evolution) cell

The embodiment of the invention discloses a voice service processing method and device of an LTE (long term evolution) cell. The method comprises the steps that when UE (user equipment) positioned in the LTE cell needs voice service, an LTE base station controls the UE not to perform pre-measuring of CSFB (circuit switched fallback) when judging that the overlapping relation between the LTE cell and the cell to be determined of other 2G/3G cells meets a preset condition and determines the at least one cell to be determined meeting the preset condition as the target cell supporting the CSFB; the UE is controlled to perform fallback on the target cell according to a CSFB mode determined according to a preset adjacent cell relation list, so whether other cells support the CSFB is judged in advance according to the overlapping relation between the other cells and the LTE cell, pre-measuring is not needed under the condition that the other cells support the CSFB, the fallback mode of the CSFB ...

Method for building special operational maintaining channel in WCDMA system

The invention is related to a method building Node B and OMC-R special operation maintain channel in IP-based WCDMA system by way of address translation/protocol translation. A data message transmission channel is built between OAM module in base station and OMC-R in order to make all inner module of base station use default configuring address, and to make addresses in base station repeat each other. So IP addresses of all inner module of base station don't need to be reconfigured by OMC-R.

TD-SCDMA signal generator

The invention discloses a signal generating device and calibration method of TD-SCDMA system net rule, net optimization and facility test, which comprises the following parts: logical module, up converter, DA converter, IF magnification filtering modular, frequency mixer, RF magnification filtering modular, power detector, handler, thermostatic crystal oscillator, temperature sensing modular, voltage controller, phase-locked loop, local oscillator, communication serial port, wherein the device can launch continuous wave signal of base station work frequency band, TD-SCDMA signal of launching base station or terminal, which can realize TD-SCDMA network planning, network optimization and device test work.

Device for dynamically regulating crystal vibration stability of WiMAX base station and implementing method thereof

The invention relates to a device for dynamically adjusting crystal oscillation stability of a WiMAX base station and an implementation method thereof. The device consists of a frequency counter, a phase detector, a crystal oscillator, a digital-analog converter and a GPS receiver. The device calibrates the stability of crystal oscillation output signal frequency by applying 1pps signal output bythe GPS receiver, rapidly adjusts error precision of the crystal oscillation within 0.5Hz, and finally keeps the error precision of the crystal oscillation steady within 0.01Hz. The method is characterized in that an adjustment coefficient between the phase detector and the crystal oscillation is calculated in advance and at the time of dynamic calibration, an error figure of the crystal oscillation is calculated out directly after the calculation of the error figure of the phase detector. Adjusting the crystal oscillation error by applying the adjustment coefficient is a new method in the field ...

Calibration method of TD-SCDMA signal generating device

The invention relates to a calibration method of a signal generating device used in TD-SCDMA system network planning, network optimization and equipment test, which comprises the following steps of: carrying out power calibration of continuous wave transmission for the signal generating device, carrying out power calibration of TD-SCDMA signals and carrying out clock calibration. A TD-SCDMA signal generating device which is calibrated by adopting the method not only can emulate a TD-SCDMA base station, but also can emulate a terminal, can flexibly establish various TD-SCDMA physical channels, has high power precision of transmission signals and good stability degree, and is superior to a protocol specified index; the calibration method solves the problem of equipment ageing and ensures that equipment can be long and conveniently used.

Base station system for annular networking and fault self-healing method and device

The embodiment of the invention discloses a base station system for annular networking. The base station system for annular networking comprises at least one base station. The base station comprises N annular member devices and at least one superior network element of the annular member devices, wherein the N annular member devices are mutually cascaded, one end, not cascaded, of the mutually cascaded annular member devices is connected to a first optical port, the other end, not cascaded, of the mutually cascaded annular member devices is connected with a second optical port, the first optical port and the second optical port are located on the same base band board in the same superior network element or located on different base band boards in the same superior network element or located on base band boards in different superior network elements, and N is a natural number which is larger than or equal to 1. The embodiment of the invention further discloses a fault self-healing method ...

Method for processing data interlace/deinterlace in communication system

In the method, M is the total number of the frame with the multiframe structure. The interlacing rate of the frame to be coded/decoded in the multiframe structure is N. The current frame number is FN. The number of the frame not needed to be processed in 0-FN%M frame data of the frame with the multiframe structure is L. SN is the starting serial number of the storage position of the coded/decodeddata. When interlacing being carried, whether the time of encoding data is arrived or not is determined. If not, the sending pointer is moved forward one unit; if yes, assigning SN=FN%M-L. When de-interlacing being carried, the operation is carried out according to the invention. When decoding being carried, the pointer receiving the decoding data is pointed to the storage position relevant to (SN-N)%(M-L). The invention avoids moving the data and initializing operation.

Method for processing data interlace/de-interlace in communication system

Method for adaptively regulating modulation encoding mode based on CINR

The present invention provides a method for adjusting modulating/coding mode based on CINR with a self-adapting mode. The method comprises the following steps: computing multi-frame average value of CINR measured value, eliminating the abnormal value of CINR measured value according to the multi-frame average value, and using the average value of residual frames which are eliminated with abnormal values as CINR statistic; preventing the fluctuation of chosen modulating/coding mode between the CINR threshold junctions corresponding to two adjacent grade modulating coding modes when the modulating/coding mode of each grade is respectively provided with an exit threshold CINR_THfloor which is switched to low stage, a least entering threshold CINR_THin and an exit threshold CINR_THceiling that is switched to high stage and the switching area between the modulating/coding modes of adjacent grades; and dynamically adjusting the CINR threshold corresponding with each modulating/coding mode according ...

Apparatus and method for obtaining switch point in TDD WiMAX straight amplification station

The invention relates to a device and a method for capturing conversion points in a time division duplex WiMAX repeater. The device includes a wireless receiver, an analog front end (AFE), a voltage controlled oscillator (VCO), a phase Locked Loop (PLL), a FPGA, a digital signal processor (DSP), a protocol processor MCP, a wireless modem, a monitoring interface, and a RF switch control signal interface. The device captures a downlink sudden parameter by parsing a frame control head (FCH) in a WiMAX signal frame and a downlink channel mapping (DL-MAP) in turn, parses the downlink channel description (DCD) information carried in the downlink suddenness according to a downlink sudden parameter, parses the DCD information for capturing the TTG and the RTG position information which is contained in the DCD information, and obtains the sending/receiving conversion points according to the TTG and the RTG position information and the frame demarcating information calculation captured by the frame ...

Small-scale core network in evolved packet system and typical application method

The invention discloses a small-scale core network in an evolved packet system. The core network comprises an NAS module, an S1AP module, an SCTP module, a GTPU module and a control module, wherein the NAS module, the S1AP module, the SCTP module, the GTPU module and the control module are integrated, the NAS module, the S1AP module and the SCTP module are sequentially connected and are all connected with the control module and the GTPU module respectively, and all the modules communicate with one another through custom messages. The NAS module is used for achieving the function of a non access protocol layer of a mobility management entity. The S1AP module is used for achieving the function of an S1 interface application protocol layer of the mobility management entity. The SCTP module is used for achieving the function of a flow control transmission protocol layer of the mobility management entity. The GTPU module is used for achieving the functions of a tunnel protocol layer of a service ...

Switched parameter self-optimizing method and device

The embodiment of the invention discloses a switched parameter self-optimizing method and device. The method comprises the following steps: dividing the types of the reasons of abnormity of switching of a neighbouring region of an inter-system; determining the types of service of UE when the UE is switched to the neighbouring region of the inter-system; respectively carrying out statistics on the numbers of times of too early switching, first too late switching and second too late switching of each type of service; during MRO (mobility robustness optimization), carrying out corresponding switched parameter adjustment when the statistical results conform to a certain preparatory condition. The switched parameter self-optimizing method and device have the beneficial effects that the determined types of the abnormity of neighbouring region switching simultaneously have two kinds of attributes, namely the reasons of the abnormity of switching of the neighbouring region of the inter-system and ...