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    POWER CONTROL FOR WIRELESS LAN STATIONS
    1.
    发明申请
    POWER CONTROL FOR WIRELESS LAN STATIONS 审中-公开

    公开(公告)号：US20170195975A1

    公开(公告)日：2017-07-06

    申请号：US15466437

    申请日：2017-03-22

    Applicant: QUALCOMM Incorporated

    Inventor： Hemanth SAMPATH ,  Didier Johannes Richard VAN NEE ,  Santosh ABRAHAM ,  Alok AGGARWAL

    IPC: H04W52/24 ,  H04W52/36

    CPC classification number: H04W52/241 ,  H04W52/08 ,  H04W52/146 ,  H04W52/243 ,  H04W52/36 ,  H04W84/12 ,  Y02D70/00

    Abstract: Techniques and apparatus for controlling the transmit power of an uplink (UL) signal from a user terminal in a wireless communications system in an effort to achieve some target characteristic, such as a target carrier-to-interference (C/I) ratio, at an access point (AP) are provided. In this manner, such a user terminal may help avoid or compensate for imbalances in received radio frequency (RF) power between UL signals received from multiple user terminals by the AP. For example, the transmit power at each user terminal may be controlled in an effort to achieve a target post-processing C/I ratio of 28 dB per spatial stream in an effort to reduce large power imbalances and optimize throughput per user terminal. The user terminal and the AP may compose part of a multiple-input multiple-output (MIMO) communication system utilizing spatial-division multiple access (SDMA) techniques.

    RATE 7/8 LOW-DENSITY PARITY-CHECK (LDPC) CODE
    2.
    发明申请
    RATE 7/8 LOW-DENSITY PARITY-CHECK (LDPC) CODE 有权

    公开(公告)号：US20210211143A1

    公开(公告)日：2021-07-08

    申请号：US17130162

    申请日：2020-12-22

    Applicant: QUALCOMM Incorporated

    Inventor： Thomas Joseph RICHARDSON ,  Dung Ngoc DOAN ,  Didier Johannes Richard VAN NEE ,  Lin YANG ,  Bin TIAN

    IPC: H03M13/25 ,  H03M13/00 ,  H03M13/37 ,  H03M13/11

    Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for encoding data for wireless transmissions. In one aspect, a wireless device may encode a number (M) of systematic bits for transmission to a receiving device. The systematic bits may be encoded using a low-density parity-check (LDPC) code to produce an LDPC codeword. The LDPC codeword may include a number (N) of codeword bits, including the M systematic bits and one or more parity bits. The wireless device may further puncture a number (K) of the codeword bits to produce a punctured codeword having a code rate M/(N−K)>5/6. The wireless device may transmit the N−K remaining codeword bits, over a wireless channel, to a receiving device.

    PROBABILISTIC AMPLITUDE SHAPING
    4.
    发明申请
    PROBABILISTIC AMPLITUDE SHAPING 有权

    公开(公告)号：US20230135383A1

    公开(公告)日：2023-05-04

    申请号：US18148104

    申请日：2022-12-29

    Applicant: QUALCOMM Incorporated

    Inventor： Lin YANG ,  Bin TIAN ,  Dung Ngoc DOAN ,  Jialing Li CHEN ,  Didier Johannes Richard VAN NEE

    IPC: H04W72/044 ,  H04L69/323

    Abstract: This disclosure provides methods, devices and systems for encoding data for wireless communication to achieve a desired amplitude distribution. Some implementations more specifically relate to performing an encoding operation to shape the amplitudes of the resultant symbols such that the amplitudes have a non-uniform distribution. In some implementations of the non-uniform distribution, the probabilities associated with the respective amplitudes generally increase with decreasing amplitude. Some implementations enable the tracking of MPDU boundaries to facilitate successful decoding by a receiving device. Additionally or alternatively, some implementations enable the determination of a packet length after performing the amplitude shaping, which enables a transmitting device to determine the number of padding bits to add to the payload and to signal the packet length to a receiving device so that the receiving device may determine the duration of the packet.

    EXTENDING RANGE AND DELAY SPREAD IN WIFI BANDS
    7.
    发明申请
    EXTENDING RANGE AND DELAY SPREAD IN WIFI BANDS 有权
    无线银行延长范围和延期延期

    公开(公告)号：US20140211704A1

    公开(公告)日：2014-07-31

    申请号：US14165390

    申请日：2014-01-27

    Applicant: QUALCOMM Incorporated

    Inventor： Hemanth SAMPATH ,  Vincent Knowles JONES, IV ,  Sameer VERMANI ,  Didier Johannes Richard VAN NEE ,  Gwendolyn Denise BARRIAC

    IPC: H04W72/04 ,  H04W28/06

    CPC classification number: H04W72/04 ,  H04L1/004 ,  H04L1/0078 ,  H04L1/1692 ,  H04L1/1861 ,  H04L27/2613 ,  H04W28/065

    Abstract: Certain aspects of the present disclosure relate to methods and apparatus for extending range and delay spread in 2.4 and 5 GHz bands, and potentially frequency multiplexing users. An apparatus is provided for wireless communications. The apparatus generally includes a processing system configured to generate a packet comprising a first preamble decodable by a first type of device and a second type of device, a second preamble that is decodable by the second type of device, but not the first type of device, and data and a transmitter configured to transmit the packet, wherein the first preamble is transmitted using a first channel bandwidth and the second preamble and data are transmitted using only a portion of the first channel bandwidth.

    Abstract translation: 本公开的某些方面涉及用于在2.4GHz和5GHz频带以及潜在的频率复用用户中扩展范围和延迟扩展的方法和装置。 提供了一种用于无线通信的装置。 该装置通常包括处理系统，其被配置为生成包括可由第一类型的设备解码的第一前同步码和第二类型的设备的分组，可由第二类型的设备解码的第二前导码，而不是第一类型的设备 以及数据和被配置为发送分组的发射机，其中使用第一信道带宽发送第一前同步码，并且仅使用第一信道带宽的一部分来发送第二前同步码和数据。

    EXTENDED LONG RANGE WIRELESS PACKET DESIGN
    8.
    发明公开
    EXTENDED LONG RANGE WIRELESS PACKET DESIGN 审中-公开

    公开(公告)号：US20240334347A1

    公开(公告)日：2024-10-03

    申请号：US18411487

    申请日：2024-01-12

    Applicant: QUALCOMM Incorporated

    Inventor： Lin YANG ,  Bin TIAN ,  Youhan KIM ,  Didier Johannes Richard VAN NEE ,  Alecsander Petru EITAN ,  Sameer VERMANI ,  Vincent Knowles JONES

    IPC: H04W52/32 ,  H04W52/28

    CPC classification number: H04W52/325 ,  H04W52/28

    Abstract: This disclosure provides methods, components, devices and systems for extended long range wireless packet design. Some aspects more specifically relate to increasing a data rate, a coverage range, or both for extended long range (ELR) wireless communications systems by updating an ELR wireless packet design. A wireless communications device, such as a wireless station (STA), may transmit an ELR wireless packet to another wireless communications device, such as a wireless access point (AP), with updated preamble fields, boosted transmit power for one or more preamble fields, and/or additional repetitions for one or more preamble fields. Additionally, or alternatively, the wireless communications device may transmit an ELR wireless packet using a narrow bandwidth to increase coverage range for an ELR wireless communications system.

    COMPONENT CHIP FOR WIRELESS COMMUNICATION
    9.
    发明公开
    COMPONENT CHIP FOR WIRELESS COMMUNICATION 审中-公开

    公开(公告)号：US20240267188A1

    公开(公告)日：2024-08-08

    申请号：US18166350

    申请日：2023-02-08

    Applicant: QUALCOMM Incorporated

    Inventor： Ahmed Ragab ELSHERIF ,  Youhan KIM ,  Guido Robert FREDERIKS ,  Didier Johannes Richard VAN NEE ,  Kapil RAI ,  Nicholas KUCHAREWSKI

    IPC: H04L5/00

    CPC classification number: H04L5/0053 ,  H04B7/0452 ,  H04W84/12

    Abstract: Various aspects of the present disclosure generally relate to wireless communication. For example, a wireless communication device (WCD), may include multiple component chips configurable to work together as a partitioned chip having a capability to communicate using a quantity of spatial streams that exceeds a capacity of any one of the multiple component chips when operated independently. Some aspects more specifically relate to component chips having frequency domain components that support a first quantity of spatial streams in a frequency domain and having time domain components that support a second quantity of spatial streams in a time domain. In some examples, the first quantity of spatial streams may correspond to a quantity of spatial streams that are transmitted or received by multiple component chips, and the second quantity of spatial streams may correspond to a quantity of spatial streams that are transmitted or received by a single component chip.

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