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1. 发明授权

US11792854B2 Enhancements for resource allocation in WLAN systems 有权
公开(公告)号：US11792854B2
公开(公告)日：2023-10-17
申请号：US17504698
申请日：2021-10-19
申请人： InterDigital Patent Holdings, Inc.
发明人： Hanqing Lou , Guodong Zhang , Xiaofei Wang , Juan Fang , Oghenekome Oteri , Pengfei Xia , Monisha Ghosh , Robert L. Olesen
IPC分类号： H04L12/28 , H04W74/08 , H04L1/00 , H04L1/1607 , H04L1/1867 , H04L5/00 , H04L1/16 , H04W72/0453 , H04W84/12
CPC分类号： H04W74/0816 , H04L1/0003 , H04L1/0026 , H04L1/16 , H04L1/1664 , H04L1/1685 , H04L1/1887 , H04L5/0055 , H04W72/0453 , H04L1/1671 , H04W84/12
摘要： A station may receive a frame transmitted to a plurality of stations (STAs). The frame may indicate a first frequency resource allocated for the STA and a second frequency resource allocated for another STA of the plurality of STAs. The STA may transmit a data frame using the first frequency resource and receive an acknowledgement frame that acknowledges receipt of the data frame. The STA may receive a multiple user request to send (MU RTS) frame transmitted to the plurality of STAs and may subsequently transmit a clear to send (CTS) frame in response to receipt of the MU RTS frame. The RTS/CTS transmissions may occur prior to transmission of the data frame.

2. 发明授权

US10440750B2 Enhancements for coordinated orthogonal block-based resource allocation (COBRA) in WLAN systems 有权
公开(公告)号：US10440750B2
公开(公告)日：2019-10-08
申请号：US15948869
申请日：2018-04-09
申请人： InterDigital Patent Holdings, Inc.
发明人： Hanqing Lou , Guodong Zhang , Xiaofei Wang , Juan Fang , Oghenekome Oteri , Pengfei Xia , Monisha Ghosh , Robert L. Olesen
IPC分类号： H04W4/00 , H04W74/08 , H04L1/00 , H04L1/16 , H04L1/18 , H04L5/00 , H04W72/04 , H04W84/12
摘要： A method and apparatus for supporting UL MU diversity are provided. The method may comprise transmitting a MU RTS frame to a plurality of STAs, the MU RTS frame comprising a plurality of MCS indicators, a plurality of data stream number indicators, an indication of a spatial technology, and a duration field. The MU RTS frame solicits clear to send (CTS) frame responses from a plurality of STAs and simultaneous UL OFDMA transmissions may be received in accordance with the MCS indicators, the data stream number indicators and the indicated spatial technology. An AP may transmit another frame comprising UL transmission information for transmission of data frames by the plurality of STAs. The AP may receive from the plurality of STAs, the data frames simultaneously and may additionally transmit acknowledgements of the received data frames to the plurality of STAs.

3. 发明申请

US20170164387A1 WIRELESS LOCAL AREA NETWORK (WLAN) UPLINK TRANSCEIVER SYSTEMS AND METHODS 审中-公开
公开(公告)号：US20170164387A1
公开(公告)日：2017-06-08
申请号：US15325887
申请日：2015-07-17
申请人： InterDigital Patent Holdings, Inc.
发明人： Hanqing Lou , Pengfei Xia , Monisha Ghosh , Juan Fang , Oghenekome Oteri , Nirav B. Shah , Robert L. Olesen
IPC分类号： H04W72/12 , H04W52/18 , H04B7/0452
CPC分类号： H04W72/1252 , H04B7/0452 , H04W52/18 , H04W74/04
摘要： Systems, methods, and instrumentalities are described to implement WLAN uplink multi-user multiple input multiple output (UL MU-MIMO) communication in an Institute of Electrical and Electronics Engineers (IEEE) 802.11 based system, using an IEEE 802.11 station (STA). The STA may receive a downlink poll frame from an IEEE 802.11 access point (AP) including one or more of a request for reporting of a transmit power, a request for a timestamp of a response frame, or a request for an estimated carrier frequency offset (CFO) value. The STA may send an uplink response frame. The uplink response frame may include one or more of transmit power parameters, timestamp parameters, or an estimated CFO value to an AP. The STA may receive a schedule frame, wherein the schedule frame may include indication to adjust one or more of a transmit power, a timing correction value, or a CFO correction value.

4. 发明公开

US20230422303A1 ENHANCEMENTS FOR RESOURCE ALLOCATION IN WLAN SYSTEMS 审中-公开
公开(公告)号：US20230422303A1
公开(公告)日：2023-12-28
申请号：US18462580
申请日：2023-09-07
申请人： InterDigital Patent Holdings, Inc.
发明人： Hanqing Lou , Guodong Zhang , Xiaofei Wang , Juan Fang , Oghenekome Oteri , Pengfei Xia , Monisha Ghosh , Robert L. Olesen
IPC分类号： H04W74/08 , H04L1/00 , H04L1/1607 , H04L1/1867 , H04L5/00 , H04L1/16 , H04W72/0453
CPC分类号： H04W74/0816 , H04L1/0026 , H04L1/1664 , H04L1/1685 , H04L1/1887 , H04L5/0055 , H04L1/0003 , H04L1/16 , H04W72/0453 , H04L1/1671 , H04W84/12
摘要： A station may receive a frame transmitted to a plurality of STAs. The frame may indicate a first frequency resource allocated for the STA and a second frequency resource allocated for another STA of the plurality of STAs. The STA may transmit a data frame using the first frequency resource and receive an acknowledgement frame that acknowledges receipt of the data frame. The STA may receive a MU RTS frame transmitted to the plurality of STAs and may subsequently transmit a CTS frame in response to receipt of the MU RTS frame. The RTS/CTS transmissions may occur prior to transmission of the data frame.

5. 发明申请

US20150304146A1 RESOURCE BLOCK BASED MULTICARRIER MODULATIONS FOR AGILE SPECTRUM 有权
标题翻译：用于AGILE SPECTRUM的资源块基于MULTICARRIER调制
公开(公告)号：US20150304146A1
公开(公告)日：2015-10-22
申请号：US14648160
申请日：2013-11-27
申请人： INTERDIGITAL PATENT HOLDINGS, INC.
发明人： Rui Yang , Leonid L. Kazakevich , Jialing Li , Erdem Bala , Kenneth Kearney , I-Tai Lu , Juan Fang , Zihao You
IPC分类号： H04L27/26 , H04W72/04
CPC分类号： H04L27/2627 , H04L5/0066 , H04L27/0008 , H04L27/2631 , H04L27/264 , H04W72/04
摘要： A resource block (RB)-based multicarrier modulation (MCM) transmitter and receiver structure for spectral agile systems are disclosed. The transmitter and the receiver are capable of sharing opportunistically available and non-contiguous channels with other users. The RB-MCM partitions the available spectrum, contiguous or non-contiguous, into multiple RBs (same or different sizes), applies a baseband MCM or single carrier modulation, or coded single carrier or multicarrier schemes in each RB with a type of spectral leakage reduction technique, and applies RB modulation for each RB to modulate the signal from baseband to the frequency band of that RB. At the receiver, the received signal may be filtered and RB demodulation may be applied to put each RB signal in baseband and a baseband multicarrier or single carrier or coded single carrier or coded multicarrier demodulation may be applied to each RB signal. Different RBs may use different modulation schemes.
摘要翻译：公开了一种用于频谱敏捷系统的基于资源块（RB）的多载波调制（MCM）发射机和接收机结构。发射机和接收机能够与其他用户共享机会性可用和不连续的信道。 RB-MCM将可用频谱（连续或不连续）划分成多个RB（相同或不同的大小），在每个RB中应用基带MCM或单载波调制或编码单载波或多载波方案，具有频谱泄漏的类型并且对每个RB应用RB调制以调制从基带到该RB的频带的信号。在接收机处，可以对接收到的信号进行滤波，并且可以应用RB解调来将每个RB信号置于基带中，并且可以对每个RB信号应用基带多载波或单载波或编码单载波或编码多载波解调。不同的RB可以使用不同的调制方案。

6. 发明授权

US11153908B2 Enhancements for resource allocation in WLAN systems 有权
公开(公告)号：US11153908B2
公开(公告)日：2021-10-19
申请号：US16596365
申请日：2019-10-08
申请人： InterDigital Patent Holdings, Inc.
发明人： Hanqing Lou , Guodong Zhang , Xiaofei Wang , Juan Fang , Oghenekome Oteri , Pengfei Xia , Monisha Ghosh , Robert L. Olesen
IPC分类号： H04W4/00 , H04W74/08 , H04L1/00 , H04L1/16 , H04L1/18 , H04L5/00 , H04W72/04 , H04W84/12
摘要： A STA may comprise a receiver configured to receive an MU RTS frame transmitted to a plurality of STAs. The MU RTS frame may indicate, in a duration field, a duration of one or more frames to follow. The STA may further comprise a transmitter configured to transmit a CTS frame in response to receiving the MU RTS frame. Another frame comprising UL transmission information may be received by the STA which includes MCS indicators and allocates frequency resources for the plurality of STAs. A data frame may be modulated in accordance with an MCS indicator of the MCS indicators, and may be transmitted on frequency resources of the frequency resources allocated for the plurality of STAs. An acknowledgement frame, which acknowledges receipt of the data frame, may be received.

7. 发明申请

US20200053783A1 ENHANCEMENTS FOR RESOURCE ALLOCATION IN WLAN SYSTEMS 审中-公开
公开(公告)号：US20200053783A1
公开(公告)日：2020-02-13
申请号：US16596365
申请日：2019-10-08
申请人： InterDigital Patent Holdings, Inc.
发明人： Hanqing Lou , Guodong Zhang , Xiaofei Wang , Juan Fang , Oghenekome Oteri , Pengfei Xia , Monisha Ghosh , Robert L. Olesen
IPC分类号： H04W74/08 , H04L1/00 , H04L1/16 , H04L1/18 , H04L5/00 , H04W72/04
摘要： A STA may comprise a receiver configured to receive an MU RTS frame transmitted to a plurality of STAs. The MU RTS frame may indicate, in a duration field, a duration of one or more frames to follow. The STA may further comprise a transmitter configured to transmit a CTS frame in response to receiving the MU RTS frame. Another frame comprising UL transmission information may be received by the STA which includes MCS indicators and allocates frequency resources for the plurality of STAs. A data frame may be modulated in accordance with an MCS indicator of the MCS indicators, and may be transmitted on frequency resources of the frequency resources allocated for the plurality of STAs. An acknowledgement frame, which acknowledges receipt of the data frame, may be received.

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