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    Adaptive energy detection threshold medium access based on deployment and traffic type
    2.
    发明授权
    Adaptive energy detection threshold medium access based on deployment and traffic type 有权

    公开(公告)号：US11641672B2

    公开(公告)日：2023-05-02

    申请号：US17325816

    申请日：2021-05-20

    申请人： QUALCOMM Incorporated

    发明人： Aleksandar Damnjanovic ,  Maarten Menzo Wentink ,  Yisheng Xue ,  Marco Papaleo

    IPC分类号： H04W74/08 ,  H04W74/00

    摘要： Adaptive energy detection (ED) threshold medium access is discussed based on deployment and traffic type. The network nodes sharing a shared communication network are configured with multiple discrete ED thresholds or a range of ED values. As a transmitting node prepares to attempt access to the shared communication spectrum, it identifies an access trigger condition within the network. Such a condition may include traffic type, deployment, or access conditions. In response to detecting an access trigger condition, the transmitting node may select an ED threshold associated with the access trigger condition. Alternatively, upon detection of the access trigger condition, the transmitting node may implement a random ED threshold from the candidate range of ED threshold values.

    Coordinated access point spatial reuse
    3.
    发明授权
    Coordinated access point spatial reuse 有权

    公开(公告)号：US11477730B2

    公开(公告)日：2022-10-18

    申请号：US17080661

    申请日：2020-10-26

    申请人： QUALCOMM Incorporated

    发明人： Lochan Verma ,  George Cherian ,  Maarten Menzo Wentink

    IPC分类号： H04W48/20 ,  H04W52/36 ,  H04W72/04 ,  H04W74/08

    摘要： This disclosure provides methods, devices and systems for sharing resources of a wireless medium. Various implementations relate generally to coordinated transmit power control for sharing time and frequency resources of a wireless medium. Particular implementations relate more specifically to coordinated access point spatial-reuse-multiple-access techniques for sharing the time and frequency resources of a transmission opportunity. According to such techniques, an access point that wins contention and gains access to the wireless medium for the duration of a transmission opportunity may limit the transmit powers of the access points selected to share the time and frequency resources such that interference from the selected access points does not prevent stations associated with the winning access point from successfully decoding packets transmitted by it.

    COORDINATED ACCESS POINT SPATIAL REUSE
    6.
    发明申请
    COORDINATED ACCESS POINT SPATIAL REUSE 有权

    公开(公告)号：US20210136679A1

    公开(公告)日：2021-05-06

    申请号：US17080661

    申请日：2020-10-26

    申请人： QUALCOMM Incorporated

    发明人： Lochan VERMA ,  George Cherian ,  Maarten Menzo Wentink

    IPC分类号： H04W48/20 ,  H04W52/36 ,  H04W74/08 ,  H04W72/04

    摘要： This disclosure provides methods, devices and systems for sharing resources of a wireless medium. Various implementations relate generally to coordinated transmit power control for sharing time and frequency resources of a wireless medium. Particular implementations relate more specifically to coordinated access point spatial-reuse-multiple-access techniques for sharing the time and frequency resources of a transmission opportunity. According to such techniques, an access point that wins contention and gains access to the wireless medium for the duration of a transmission opportunity may limit the transmit powers of the access points selected to share the time and frequency resources such that interference from the selected access points does not prevent stations associated with the winning access point from successfully decoding packets transmitted by it.

    LOCALLY ADMINISTERED ADDRESSING IN A NETWORK
    8.
    发明申请
    LOCALLY ADMINISTERED ADDRESSING IN A NETWORK 审中-公开

    公开(公告)号：US20200213270A1

    公开(公告)日：2020-07-02

    申请号：US16723504

    申请日：2019-12-20

    申请人： QUALCOMM Incorporated

    发明人： Maarten Menzo Wentink ,  Jouni Kalevi Malinen

    IPC分类号： H04L29/12 ,  H04L12/855

    摘要： This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer-readable media, for using a locally administered address (LAA) on a network. In some aspects, a candidate address from an LAA range may be selected by either a first apparatus (such as a wireless station, STA) or a network apparatus (such as an access point, AP). A candidate address test may be performed by the STA or AP to determine if another apparatus is using the candidate network address on a communication medium. An extended address test may be used to determine if the candidate network address is being used by another apparatus in a layer two (data link layer) domain of a network. Several techniques for changing an LAA are provided, including techniques that use a fast session transfer (FST) procedure. In a peer-to-peer network, address changes may be handled using tunneled address change messages.

    Collision detection in a shared radio frequency spectrum band
    9.
    发明授权
    Collision detection in a shared radio frequency spectrum band 有权

    公开(公告)号：US10182456B2

    公开(公告)日：2019-01-15

    申请号：US15246005

    申请日：2016-08-24

    申请人： QUALCOMM Incorporated

    发明人： Aleksandar Damnjanovic ,  Maarten Menzo Wentink ,  Srinivas Yerramalli ,  Qingsi Wang ,  Yongbin Wei ,  Juan Montojo

    IPC分类号： H04W74/08 ,  H04W16/14 ,  H04W84/12 ,  H04L5/00 ,  H04W88/06

    摘要： Detection and reporting techniques for collisions between transmitters of two different radio access technologies (RATs) transmitting in a shared radio frequency spectrum band is described. The collision may occur following a listen-before-talk procedure but prior to transmission of data, and may not affect the reception of the transmitted data. Collisions may be detected using for example, energy sensing, preamble or ready-to-send (RTS) signal detection, or unsuccessful decoding of all or part of a channel reservation signal. A transmitting device may determine a collision has occurred by detecting an energy level during a preamble transmission is greater than a threshold level or by detecting that an energy level during a transmission gap of a time-domain energy pattern is above a threshold level. A receiving device, such as a user equipment (UE), that detects the collision may report the collision to the transmitter.