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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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11-05-2011 дата публикации

Method and system of implementation for ultrahigh speed MIMO OFDM wireless local area network

Номер: CN0101207597B
Автор: BAO DONGSHAN, LIU QIANLEI, DONGSHAN BAO, QIANLEI LIU
Принадлежит:

The invention discloses an implementation method and a system for a super-high speed multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) wireless LAN, and belongs to the wireless communication technical field. By the implementation method and in the system, a transmitting site can simultaneously transmit one or a plurality of independent data sub-streams through a transmitting antenna set and can adopt different signal modulation modes for the OFDM sub-channels of the independent data sub-steams. In a certain space-time coding mode and error correcting codemode, the signal modulation modes adopted for the OFDM sub-channels are decided by the receiving site according to the signal-to-noise ratios before the modulation at the sub-channels, before the independent data sub-steams are space-time coded. The information about the signal modulation modes of the independent sub-streams at the OFDM sub-channels (sub-channel-modulation mode information) is transmitted ...

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Номер записи: 1
30-03-2011 дата публикации

Network configuration method, equipment and system

Номер: CN0101998382A
Автор: Liu Xilei, Ding Zhiming
Принадлежит:

The embodiment of the invention provides a network configuration method, network configuration equipment and a network configuration system, relates to the field of communication and solves the problem of low network configuration security. The network configuration method comprises the following steps of: receiving configuration indication transmitted by an access point, wherein the configuration indication carries information used for indicating to use a laser configuration method; exciting an atmospheric laser channel according to the configuration indication; and transmitting an equipmentpassword to a register through the atmospheric laser channel for the network configuration. The provided technical scheme is applied to security configuration of application equipment in a wireless network.

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Номер записи: 2
23-04-2008 дата публикации

Method and system for realizing high data rate ODFM WLAN

Номер: CN0101166080A
Автор: LIU QIANLEI, BAO DONGSHAN, QIANLEI LIU, DONGSHAN BAO
Принадлежит:

This invention relates to a method for realizing high data rate OFDM WLAN and a system, in which, an emission station applies different signal modulation modes to transmit data to sub-channels of OFDM and the modulation modes applied by the sub-channels are determined by the receiving station according to S/N ratio or channel gains of the OFDM sub-channels and information of the modulation modes applied by the sub-channels is transmitted to the emission station from the receiving station on one of the two following ways: 1, request-response mode between them, 2, the receiving station transmits it to the emission station actively without request.

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Номер записи: 3
18-07-2019 дата публикации

METHOD FOR REALIZING CONTINUED TRANSMISSION OF USER DATA DURING HANDOVER CROSSING MULTIPLE CELLS

Номер: US20190223059A1
Автор: Qianlei LIU, Shenfa LIU, Desheng YAN, Dongshan BAO, LIU QIANLEI, LIU SHENFA, YAN DESHENG, BAO DONGSHAN, LIU, Qianlei, LIU, Shenfa, YAN, Desheng, BAO, Dongshan
Принадлежит:

Disclosed in the present disclosure is a method for realizing continued transmission of user data when a user station crosses multiple wireless network cells. The method includes: constructing a continuation guide table in an access point (AP) of a wireless network cell; when a user station crosses a first cell to a second cell, configuring the continuation guide tables in the AP of the first cell and the AP of the second cell; based on the continuation guide tables, building a data link of a network layer between an correspondent station of the user station and the user station located in a terminal cell; continuously transmitting data between the correspondent station of the user station and the user station in a source cell along the data link after the user station accesses the terminal cell. Further disclosed in the present disclosure is an access point device of a wireless network cell. According to the present disclosure, uninterrupted transmission of data streams can be realized for data being transmitted during a complex condition that a user station crosses a plurality of wireless network cells, thereby improving the user experience when a user surfs the internet using a wireless network. 115-. (canceled)16. A method for continued data transmission of a user station moving across a plurality of wireless network cells including a source wireless network cell and a terminal wireless network cell , comprising:for each wireless network cell, constructing a continuation guide table in a corresponding access point of the wireless network cell;in response to the user station moving from a first wireless network cell to a second wireless network cell in the plurality of wireless network cells, configuring the continuation guide table in the corresponding access point of the first wireless network cell, and configuring the continuation guide table in the corresponding access point of the second wireless network cell;in response to the user station reaching the ...

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Номер записи: 4
26-05-2010 дата публикации

Transmission system, transmission method, sending equipment and receiving equipment for 802.16

Номер: CN0101714964A
Автор: Bao Dongshan, Liu Qianlei
Принадлежит:

The invention relates to a transmission system for 802.16, which comprises sending equipment and receiving equipment, wherein the receiving equipment comprises a channel estimating unit, a modulation mode determining unit and a feedback unit, wherein the channel estimating unit carries out channel estimation according to received data frames; the modulation mode determining unit determines the modulation mode of each subcarrier/subband according to the channel estimation results acquired by the channel estimating unit; and the feedback unit feeds back response frames with the modulation mode of each subcarrier/subband. The sending equipment comprises a modulating unit and an OFDM converting unit, wherein the modulating unit correspondingly modulates each subcarrier/subband according to the response frames fed back by the receiving equipment, and the OFDM converting unit converts signals modulated by the modulating unit into OFDM symbols and sends the OFDM symbols. The invention also discloses ...

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Номер записи: 5
26-03-2014 дата публикации

Method and system for achieving data transmission in OFDM wireless local area network

Номер: CN103686842A
Автор: LIU QIANLEI, BAO DONGSHAN
Принадлежит:

The invention discloses a method for achieving data transmission in an OFDM wireless local area network. The method includes the steps that a plurality of physical frame bodies are obtained, the physical frame bodies comprise data attribute bodies, and all the physical frame bodies correspond to different receiving stations; on the basis of the data attribute bodies, the front physical frame bodies and the back physical frame bodies are spliced to form a physical-layer super-frame frame bodies; super-frame frame heads are added in the front of the super-frame frame bodies so that a physical-layer super frame can be obtained; the physical-layer super frame is transmitted in the OFDM wireless local area network system; receiving stations corresponding to the physical frame bodies at a predetermined position in the physical-layer super frame have response permission; the receiving stations respond to all data frames coming from current transmitting stations from the time when last-time response ...

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Номер записи: 6
19-01-2011 дата публикации

New construction method for OFDM 802.11 network physical frame and MAC frame

Номер: CN0101166187B
Автор: LIU QIANLEI, BAO DONGSHAN, QIANLEI LIU, DONGSHAN BAO
Принадлежит:

SIGNAL symbol of new constructed physical frame includes information of time occupied by channels needed by current communication. Frame head of new constructed MAC frame includes information of frame size of MAC frame. The constructing method makes 802.11 network allow transmitting data between sites by using private working mode through physical layer; also makes MAC layer of 802.11 network operate more reliably.

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Номер записи: 7
23-12-2009 дата публикации

Method used for data sending of subchannel-modulation mode and device

Номер: CN0101610144A
Автор: BAO DONGSHAN, LIU QIANLEI, LIU SHENFA, SHEN CHAO, LIU FEI, XU ZEYUAN, DONGSHAN BAO, QIANLEI LIU, SHENFA LIU, CHAO SHEN, FEI LIU, ZEYUAN XU
Принадлежит:

The invention relates to a method used for data sending of a subchannel-modulation mode, comprising a DATA part for utilizing a first modulation coding mode to construct a first physical frame unit by a first MAC frame, a DATA part for utilizing a second modulation coding mode to construct a first physical frame unit by a second MAC frame, a combining structure for combining the first physical frame unit and the second physical frame unit into a physical frame unit, and a physical layer superframe, wherein, the first modulation coding mode is a modulation coding mode defined in 802.11a/g/n protocol; and the second modulation coding mode is a modulation coding mode based on the subchannel-modulation mode and the physical layer superframe is used for sending combining structures containing the physical frame units. The method not only can lead the currently-transmitted frame header to be read and understood by other subchannel-modulation mode sites, but also can lead the frame header to be ...

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Номер записи: 8
24-08-2011 дата публикации

Method for accessing a wireless local area network and communication system

Номер: CN0102164368A
Автор: QIANLEI LIU, DONGSHAN BAO, LIU QIANLEI, BAO DONGSHAN
Принадлежит:

The invention discloses a method for accessing a wireless local area network, which comprises the steps as follows: an access point (AP) to be accessed into the wireless local area network sends the communication identification thereof in an external network at a media access control (MAC) layer; according to the communication identification sent by the AP, a subscriber station is communicated with the AP by taking the currently belonged center node as an intermediate station, and exchanges and accesses signaling relative to the wireless local area network; and the subscriber station and the AP exchange information in the wireless local area network, thereby realizing the wireless local area network accessing. The invention further discloses a communication system. Through the invention, the authentication is not required before the subscriber station is accessed into the AP of a new wireless local area network, the access time delay is saved, and the rapid access is realized.

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Номер записи: 9
24-11-2010 дата публикации

Method and system for realizing high data rate ODFM WLAN

Номер: CN0101166080B
Автор: LIU QIANLEI, BAO DONGSHAN, QIANLEI LIU, DONGSHAN BAO
Принадлежит:

This invention relates to a method for realizing high data rate OFDM WLAN and a system, in which, an emission station applies different signal modulation modes to transmit data to sub-channels of OFDM and the modulation modes applied by the sub-channels are determined by the receiving station according to S/N ratio or channel gains of the OFDM sub-channels and information of the modulation modes applied by the sub-channels is transmitted to the emission station from the receiving station on one of the two following ways: 1, request-response mode between them, 2, the receiving station transmits it to the emission station actively without request.

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Номер записи: 10
12-01-2021 дата публикации

Method for data transmission during cross-cell handover

Номер: US0010893450B2
Автор: Qianlei Liu, Shenfa Liu, Desheng Yan, Dongshan Bao, LIU QIANLEI, LIU SHENFA, YAN DESHENG, BAO DONGSHAN, Liu, Qianlei, Liu, Shenfa, Yan, Desheng, Bao, Dongshan
Принадлежит: GUANGDONG NUFRONT COMPUTER SYSTEM CHIP CO., LTD., GUANGDONG NUFRONT COMPUTER SYSTEM CHIP CO LTD, GUANGDONG NUFRONT COMPUTER SYSTEM CHIP CO., LTD

Disclosed in the present invention is a method for realizing continued transmission of user data during cross-cell handover of a user station. The method comprises: constructing a continuation guide table in an AP of a wireless network cell; when cross-cell handover of a user station occurs, configuring the continuation guide table in the AP; and when handover occurs, forwarding data being transmitted by the user station according to the continuation guide table. Further disclosed in the present invention is an AP of a wireless network cell. The AP is realized by constructing a continuation guide table in an existing AP. According to the present invention, uninterrupted transmission of data streams being transmitted when a user crosses a wireless network cell can be realized, thereby improving the user experience when the user surfs the internet using a wireless network.

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Номер записи: 11
23-06-2010 дата публикации

Method and device for negotiation of master node

Номер: CN0101754271A
Автор: ZHIMING DING, QIANLEI LIU, GUIMING SHU, YONGLI YANG, DING ZHIMING, LIU QIANLEI, SHU GUIMING, YANG YONGLI
Принадлежит:

The embodiment of the invention relates to a method and a device for the negotiation of a master node, the method comprises the steps: receiving a master identity identification-carried management frame sent by a master node; acquiring the maximal time interval of receiving once again the management frame sent by the master node; and confirming the management frame as a new master node according to a preset strategy when no management frame is received once again after the maximal time interval. According to the embodiment of the invention, whether the master node is separated from centerless infrastructure network is found by the nodes except the master node in accordance with the situation whether the management frame sent by the master node is received within the preset time interval, which realizes that the centerless infrastructure network can be timely informed of the separation of the original master node from the network and the new master node is renegotiated to maintain and manage ...

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Номер записи: 12
28-11-2019 дата публикации

A METHOD FOR DATA TRANSMISSION DURING CROSS-CELL HANDOVER

Номер: US2019364471A1
Автор: LIU QIANLEI, LIU SHENFA, YAN DESHENG, BAO DONGSHAN, LIU, Qianlei, LIU, Shenfa, YAN, Desheng, BAO, Dongshan
Принадлежит:

Disclosed in the present invention is a method for realizing continued transmission of user data during cross-cell handover of a user station. The method comprises: constructing a continuation guide table in an AP of a wireless network cell; when cross-cell handover of a user station occurs, configuring the continuation guide table in the AP; and when handover occurs, forwarding data being transmitted by the user station according to the continuation guide table. Further disclosed in the present invention is an AP of a wireless network cell. The AP is realized by constructing a continuation guide table in an existing AP. According to the present invention, uninterrupted transmission of data streams being transmitted when a user crosses a wireless network cell can be realized, thereby improving the user experience when the user surfs the internet using a wireless network.

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Номер записи: 13
23-06-2010 дата публикации

Network equipment and network equipment configuration method

Номер: CN0101753293A
Автор: DING ZHIMING, LIU QIANLEI, SHU GUIMING, YANG YONGLI, ZHIMING DING, QIANLEI LIU, GUIMING SHU, YONGLI YANG
Принадлежит:

The invention provides network equipment and a network equipment configuration method. The method comprises the following steps: judging the user equipment type: configuring the key life cycle of the user equipment into a first key life cycle when the user equipment type is the first equipment type; and configuring the key life cycle of the user equipment into a second key life cycle when the user equipment type is the second equipment type, wherein the second key life cycle is shorter than the first key life cycle. Two key life cycles including one long life cycle and one short life cycle are configured according to different equipment types, so the configuration is more flexible, and the requirements of different user equipment can be met.

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Номер записи: 14
04-05-2011 дата публикации

Method used for data sending of subchannel-modulation mode and device

Номер: CN0101610144B
Автор: BAO DONGSHAN, LIU QIANLEI, LIU SHENFA, SHEN CHAO, LIU FEI, XU ZEYUAN, DONGSHAN BAO, QIANLEI LIU, SHENFA LIU, CHAO SHEN, FEI LIU, ZEYUAN XU
Принадлежит:

The invention relates to a method used for data sending of a subchannel-modulation mode, comprising a DATA part for utilizing a first modulation coding mode to construct a first physical frame unit by a first MAC frame, a DATA part for utilizing a second modulation coding mode to construct a first physical frame unit by a second MAC frame, a combining structure for combining the first physical frame unit and the second physical frame unit into a physical frame unit, and a physical layer superframe, wherein, the first modulation coding mode is a modulation coding mode defined in 802.11a/g/n protocol; and the second modulation coding mode is a modulation coding mode based on the subchannel-modulation mode and the physical layer superframe is used for sending combining structures containing the physical frame units. The method not only can lead the currently-transmitted frame header to be read and understood by other subchannel-modulation mode sites, but also can lead the frame header tobe ...

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Номер записи: 15
23-04-2008 дата публикации

Method and realization system for reverse channel estimate of receiving terminal in OFDM 802.11 system

Номер: CN0101166167A
Автор: LIU QIANLEI, BAO DONGSHAN, QIANLEI LIU, DONGSHAN BAO
Принадлежит:

The receiving end of 802.11-OFDM system obtains information sequence through decoding operation. After FCS verifies and proves that the received information sequence (RIS) is correct, the method constructs RIS into new lengthened training sequence, which is in use for more accurate channel estimation, after coding and modulating operations. The result of channel estimation will be in use for detecting or sending signals in subsequent physical frames. The system is composed of sequence divider, adder, delay time register, counter, and divider. When decoding information sequence, the receiving end inputs the information sequence to the implementation system to carry out calculating channel estimation. Finally, after FCS verifies and proves that information sequence is correct, divider outputs result of channel estimation obtained through calculation to the receiving end to use.

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Номер записи: 16
04-06-2008 дата публикации

Communication system and its signal detection method

Номер: CN0101192905A
Автор: LIU QIANLEI, MA QINGHUA, YANG LVXI, XIA LINFENG, QIANLEI LIU, QINGHUA MA, LVXI YANG, LINFENG XIA
Принадлежит:

The invention relates to the field of the wireless communication and discloses a communication system and the signal detection method. The invention can be used for the detection of various channels of signals in the V-BLAST structure layer by layer; when the detection is carried out over each layer ahead of the last layer, the posterior probabilities of the paths that various nodes probably formed over the layer are calculated and at least one path meeting the predetermined condition is reserved according to the posterior probabilities of the paths, and the subsequent nodes of various paths reserved over the layer are only detected in the test of the next layer; when the last layer is detected, the path with the maximum posterior probability is output as the final detection result. The invention can realize the performance close to the performance of the maximum likelihood or sphere decoding algorithm with a simpler algorithm.

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Номер записи: 17
23-04-2008 дата публикации

New construction method for OFDM 802.11 network physical frame and MAC frame

Номер: CN0101166187A
Автор: LIU QIANLEI, BAO DONGSHAN, QIANLEI LIU, DONGSHAN BAO
Принадлежит:

SIGNAL symbol of new constructed physical frame includes information of time occupied by channels needed by current communication. Frame head of new constructed MAC frame includes information of frame size of MAC frame. The constructing method makes 802.11 network allow transmitting data between sites by using private working mode through physical layer; also makes MAC layer of 802.11 network operate more reliably.

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Номер записи: 18
23-06-2010 дата публикации

Image data transmission method and device thereof

Номер: CN0101753748A
Автор: DING ZHIMING, LIU QIANLEI, ZHIMING DING, QIANLEI LIU
Принадлежит:

The invention provides an image data transmission method and a device thereof. The method comprises that image data is shot and sent to the corresponding receiver equipment wirelessly according to the association relationship with the receiver equipment which is set up in advance. Through the invention, the shot image data can be transmitted among the equipment according to the association relationship with the receiver equipment which is set up in advance, so as to prevent the afterward mailing process, and bring convenience for the use of a user.

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Номер записи: 19
25-07-2012 дата публикации

Communication system and its signal detection method

Номер: CN0101192905B
Автор: LVXI YANG, QIANLEI LIU, LINFENG XIA, QINGHUA MA, YANG LVXI, LIU QIANLEI, XIA LINFENG, MA QINGHUA
Принадлежит:

The invention relates to the field of the wireless communication and discloses a communication system and the signal detection method. The invention can be used for the detection of various channels of signals in the V-BLAST structure layer by layer; when the detection is carried out over each layer ahead of the last layer, the posterior probabilities of the paths that various nodes probably formed over the layer are calculated and at least one path meeting the predetermined condition is reserved according to the posterior probabilities of the paths, and the subsequent nodes of various paths reserved over the layer are only detected in the test of the next layer; when the last layer is detected, the path with the maximum posterior probability is output as the final detection result. The invention can realize the performance close to the performance of the maximum likelihood or sphere decoding algorithm with a simpler algorithm.

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Номер записи: 20
07-07-2010 дата публикации

Method, system and equipment for safe switch configuration

Номер: CN0101771659A
Автор: DING ZHIMING, LIU QIANLEI, SHU GUIMING, YANG YONGLI, ZHIMING DING, QIANLEI LIU, GUIMING SHU, YONGLI YANG
Принадлежит:

The embodiment of the invention discloses a method, a system and equipment for safe switch configuration. The safe switch configuration method is used for performing safe configuration when D2D master control equipment is switched from wireless star equipment to an equipment network D2D, and comprises the following steps: acquiring a configuration cipher of a client or a work key between the client and on-duty master control equipment; according to the acquired configuration cipher or the work key, performing wireless fidelity protected setup WPS negotiation with the client, and generating a work key between the client and designated master control equipment; and sending the generated work key to the client. A subsequent client can establish connection with the designated master control equipment according to the generated work key, so the safe switch configuration of the master control equipment from the wireless star equipment to the equipment network D2D is realized.

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Номер записи: 21
10-03-2010 дата публикации

Method and device for configuring wireless local area network (WLAN)

Номер: CN0101668290A
Автор: ZHIMING DING, QIANLEI LIU, DING ZHIMING, LIU QIANLEI
Принадлежит:

The invention discloses a method configuring a wireless local area network (WLAN), which comprises the following steps: determining that an access point (AP) supports at least two basic service sets; generating corresponding service set identifiers (SSID) and parameters for basic service set identifiers (SSID) supported by the AP; interacting with the AP for security certificate, and after passing the security certificate, sending the SSIDs and the parameters to the AP. The invention also provides a device for realizing WLAN configuration and a WLAN access point device. According to the invention, under the condition that the AP of the WLAN supports multiple BSSIDs, a WPS can better support the establishing process of the WLAN, and after the WLAN is established, new added equipment is configured.

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Номер записи: 22
17-10-2019 дата публикации

METHOD FOR REALIZING WIRELESS NETWORK CONVERGENCE

Номер: US20190320363A1
Автор: Qianlei LIU, Shenfa LIU, Desheng YAN, Dongshan BAO, LIU QIANLEI, LIU SHENFA, YAN DESHENG, BAO DONGSHAN, LIU, Qianlei, LIU, Shenfa, YAN, Desheng, BAO, Dongshan
Принадлежит: GUANGDONG NUFRONT COMPUTER SYSTEM CHIP CO., LTD

Disclosed in the present disclosure is a method for realizing wireless network convergence. The method comprises: constructing a convergence link table in an AP of a wireless network cell; arranging a user management system in an external network; when cross-cell movement of a user station occurs, the user management system configuring convergence link tables in corresponding access points (APs) of two cells; and based on the configured convergence link tables, data transmitted by the user station in an original cell being transmitted in a new cell, thereby realizing wireless network convergence. 1. A method for implementing wireless network convergence , comprising:constructing a convergence link table in an access point (AP) of a wireless network cell;setting up a user management system in an external network;when the user station moves across the cell, the user management system configuring convergence link tables of the corresponding to APs in the two cells; andtransmitting the data that the user site transmitted in an original cell in a new cell based on the configured convergence link tables.2. The method according to claim 1 , wherein claim 1 , said convergence link table of the AP comprising:a wireless forwarding table, for confirming a user station has left the current cell and entered a new cell by identifying a wireless MAC address according to IP address of the user site, or confirming that the user site has left the current cell and entered a new cell; anda transfer-out link table, for finding the forwarding addresses forwarding the data packets of the user station;wherein when the cell in which the AP is located contains a user station configured with a current IP address, said convergence link table of the AP further including: a transfer-in link table, used for finding local IP addresses of user stations in current cell: for the user station that has entered the current cell from others and has been configured with a local IP address, the table ...

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Номер записи: 23
25-06-2008 дата публикации

Method and system of implementation for ultrahigh speed MIMO OFDM wireless local area network

Номер: CN0101207597A
Автор: LIU QIANLEI, BAO DONGSHAN, QIANLEI LIU, DONGSHAN BAO
Принадлежит:

The invention discloses an implementation method and a system for a super-high speed multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) wireless LAN, and belongs to the wireless communication technical field. By the implementation method and in the system, a transmitting site can simultaneously transmit one or a plurality of independent data sub-streams through a transmitting antenna set and can adopt different signal modulation modes for the OFDM sub-channels of the independent data sub-steams. In a certain space-time coding mode and error correcting code mode, the signal modulation modes adopted for the OFDM sub-channels are decided by the receiving site according to the signal-to-noise ratios before the modulation at the sub-channels, before the independent data sub-steams are space-time coded. The information about the signal modulation modes of the independent sub-streams at the OFDM sub-channels (sub-channel-modulation mode information) is transmitted ...

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Номер записи: 24
24-08-2011 дата публикации

Realization method, system and device for heterogeneous convergence of cellular network and wireless local area network

Номер: CN0102164390A
Автор: QIANLEI LIU, DONGSHAN BAO, LIU QIANLEI, BAO DONGSHAN
Принадлежит:

The invention discloses a realization method for heterogeneous convergence of a cellular network and a wireless local area network. The realization method comprises the steps as follows: a cellular network terminal module is embedded into a network access point of the original wireless local area network, so as to form a new network access point; a communication connection is built between the new network access point and a network control unit of the cellular network through a cellular structure, and is used for transmitting signaling relative to the network management; and through the signaling, the new network access point is set as a subordinate unit of the network control unit, is arranged as a same level station of a cellular base station, and is managed by the network control unit. The invention further discloses a system and device for heterogeneous convergence of the cellular network and the wireless local area network. Through the invention, the position management and the heterogeneous ...

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Номер записи: 25
22-09-2010 дата публикации

Method and realization system for reverse channel estimate of receiving terminal in OFDM 802.11 system

Номер: CN0101166167B
Автор: BAO DONGSHAN, LIU QIANLEI, DONGSHAN BAO, QIANLEI LIU
Принадлежит:

The receiving end of 802.11-OFDM system obtains information sequence through decoding operation. After FCS verifies and proves that the received information sequence (RIS) is correct, the method constructs RIS into new lengthened training sequence, which is in use for more accurate channel estimation, after coding and modulating operations. The result of channel estimation will be in use for detecting or sending signals in subsequent physical frames. The system is composed of sequence divider, adder, delay time register, counter, and divider. When decoding information sequence, the receiving end inputs the information sequence to the implementation system to carry out calculating channel estimation. Finally, after FCS verifies and proves that information sequence is correct, divider outputs result of channel estimation obtained through calculation to the receiving end to use.

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Номер записи: 26
07-07-2010 дата публикации

Method and device for establishing D2D network

Номер: CN0101772199A
Автор: DING ZHIMING, LIU QIANLEI, SHU GUIMING, YANG YONGLI, ZHIMING DING, QIANLEI LIU, GUIMING SHU, YONGLI YANG
Принадлежит:

The embodiment of the invention discloses a method and a device for establishing a D2D network. The method comprises the steps of: receiving a target terminal equipment D2D network connection establishment command; sending a target terminal equipment network connection request message to an access point (AP) through a communication link pre-established between local initiating equipment and the access point and forwarding the request message to the target terminal equipment by the access point; and receiving a response message, which is forwarded by the access point, from the target terminal equipment to the request message and establishing the D2D network connection with the target terminal equipment. In the embodiment of the invention, a button is used to trigger the pre-established communication link between the terminal equipment and the AP to send the D2D network establishment message to establish D2D network connection between sets of terminal equipment, so the operation of a user ...

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Номер записи: 27
07-07-2010 дата публикации

Method, system and equipment for realizing equipment adding in wireless fidelity (Wi-Fi) peer-to-peer network

Номер: CN0101771586A
Автор: DING ZHIMING, LIU QIANLEI, SHU GUIMING, YANG YONGLI, ZHIMING DING, QIANLEI LIU, GUIMING SHU, YONGLI YANG
Принадлежит:

The invention discloses a method, a system and equipment for realizing equipment adding in a wireless fidelity (Wi-Fi) peer-to-peer network, belonging to the field of communication. The method comprises the following steps of: receiving a first add request message transmitted by master peer-to-peer equipment by first peer-to-peer client equipment, wherein the first add request message carries with a mark of new equipment to be added to the Wi-Fi peer-to-peer network; receiving a first personal identification number (PIN) code of the new equipment; and forwarding the received first PIN code to the master peer-to-peer equipment, wherein the first PIN code of the new equipment is used for realizing that the master peer-to-peer equipment executes the word processing system (WPS) safety configuration of the new equipment according to the first PIN code. The invention realizes that the PIN code of the new equipment, which is input by a user, is received through D2D Client equipment when the new ...

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Номер записи: 28
23-04-2008 дата публикации

Construction method for physical layer frame of OFDM WLAN and its response method

Номер: CN0101166186A
Автор: LIU QIANLEI, BAO DONGSHAN, QIANLEI LIU, DONGSHAN BAO
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Super frame in physical layer consists of frame head and frame body of super frame. Frame head of super frame is frame head accepted by physical frame of OFDM wireless local area network. Frame body of super frame is composed of frame bodies, which are bonded back and forth, of a set of physical frame. The frame bodies of physical frame can be sent to different sites. Information for bonding to next position of frame body of physical frame is setup in frame body of physical frame. Using mechanism of group response, receiving sites carry out response to super frame in physical layer, namely, only one receiving site can carry out response at one time. But, the receiving site carries out responses for all data frames from current transmission station in period after ending previous response to before starting up current response.

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Номер записи: 29
28-11-2019 дата публикации

A METHOD FOR DATA TRANSMISSION DURING CROSS-CELL HANDOVER

Номер: US20190364471A1
Автор: Bao Dongshan, LIU Qianlei, Liu Shenfa, Yan Desheng
Принадлежит:

Disclosed in the present invention is a method for realizing continued transmission of user data during cross-cell handover of a user station. The method comprises: constructing a continuation guide table in an AP of a wireless network cell; when cross-cell handover of a user station occurs, configuring the continuation guide table in the AP; and when handover occurs, forwarding data being transmitted by the user station according to the continuation guide table. Further disclosed in the present invention is an AP of a wireless network cell. The AP is realized by constructing a continuation guide table in an existing AP. According to the present invention, uninterrupted transmission of data streams being transmitted when a user crosses a wireless network cell can be realized, thereby improving the user experience when the user surfs the internet using a wireless network. 111-. (canceled)12. A method for realizing continued transmission of user data during a cross-cell handover of a user station , comprising:constructing a continuation guide table in a first access point in a first wireless network cell;configuring the continuation guide table in the first access point when the cross-cell handover of the user station occurs; andforwarding data transmitted by the user station according to the continuation guide table.13. The method according to claim 12 , wherein:the continuation guide table includes an outbound guide table; andthe method further comprises: in response to the user station receiving a data packet sent by a correspondent station of the user station and the user station having moved from the first wireless network cell to a second wireless network cell, searching through the outbound guide table to find a network layer address of a next hop station for forwarding the data packet.14. The method according to claim 13 , wherein:the outbound guide table includes a wireless transfer table and an outbound reference table;the wireless transfer table includes a ...

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Номер записи: 30