中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

331 records (took 0.049 seconds)

    METHOD AND APPARATUS FOR TRANSMITTING ACKNOWLEDGEMENTS IN RESPONSE TO RECEIVED FRAMES
    116.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING ACKNOWLEDGEMENTS IN RESPONSE TO RECEIVED FRAMES 有权
    发送接收框架响应的方法和装置

    公开(公告)号：US20130301569A1

    公开(公告)日：2013-11-14

    申请号：US13890833

    申请日：2013-05-09

    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

    Inventor： Xiaofei Wang ,  Hanqing Lou ,  Monisha Ghosh ,  Sudheer A. Grandhi

    IPC: H04L5/00

    CPC classification number: H04L5/0055 ,  H04L1/1607 ,  H04L1/1671 ,  H04L1/1854 ,  H04L1/1864 ,  H04L2001/0093

    Abstract: A method and apparatus for transmitting acknowledgements in response to data packets in wireless communication are disclosed. A recipient may receive a plurality of data packets from a plurality of stations and transmit acknowledgements for the data packets to the originating stations in a single transmission. The acknowledgements may be transmitted using multi-user multiple-input multiple-output (MU-MIMO). Alternatively, the acknowledgements may be aggregated and transmitted in the single transmission. A short acknowledgement (ACK) frame may be sent in response to a received frame. The short ACK frame may include an ACK sequence corresponding to a sequence identity (ID) included in the received frame. The short ACK frame may include a short training field (STF) and the ACK sequence. The short ACK frame may be transmitted with a short ACK indication. The short ACK frame may be sent in response to an indication included in the received frame.

    Abstract translation: 公开了一种在无线通信中响应于数据分组发送确认的方法和装置。 接收者可以从多个站接收多个数据分组，并且在单个传输中向发起站发送数据分组的确认。 可以使用多用户多输入多输出（MU-MIMO）来发送确认。 或者，可以在单个传输中聚合和发送确认。 可以响应于接收到的帧来发送短确认（ACK）帧。 短ACK帧可以包括对应于包括在接收帧中的序列标识（ID）的ACK序列。 短ACK帧可以包括短训练场（STF）和ACK序列。 可以用短的ACK指示来发送短的ACK帧。 可以响应于包括在接收帧中的指示来发送短ACK帧。

    MULTI-USER PARALLEL CHANNEL ACCESS IN WLAN SYSTEMS
    117.
    发明申请
    MULTI-USER PARALLEL CHANNEL ACCESS IN WLAN SYSTEMS 有权
    WLAN系统中的多用户并行通道访问

    公开(公告)号：US20130229996A1

    公开(公告)日：2013-09-05

    申请号：US13781909

    申请日：2013-03-01

    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

    Inventor： Xiaofei Wang ,  Hanqing Lou ,  Monisha Ghosh ,  Nirav B. Shah ,  Guodong Zhang ,  Ronald G. Murias

    IPC: H04W72/04

    CPC classification number: H04W72/121 ,  H04B17/318 ,  H04L1/0025 ,  H04L1/007 ,  H04L1/1664 ,  H04L1/1685 ,  H04L1/1861 ,  H04W72/04 ,  H04W72/0413 ,  H04W72/0453 ,  H04W72/1278 ,  H04W74/004 ,  H04W74/006 ,  H04W74/04 ,  H04W74/06 ,  H04W74/0816 ,  H04W84/12

    Abstract: A method and apparatus may provide multi-user parallel channel access (MU-PCA) and/or single-user parallel channel access (SU-PCA) using transmit and/or receive with symmetrical bandwidth, in the downlink (DL), uplink (UL), or combined DL and UL. SU-PCA and MU-PCA may support unequal modulation and coding schemes (MCS) and unequal transmit power. Medium access control (MAC) layer, Physical layer (PHY), and mixed and PHY layer methods and procedures may support UL, DL and combined UL and DL SU-PCA and MU-PCA using transmit and/or receive with symmetrical bandwidth. MU-PCA and/or SU-PCA may also be supported by MAC and PHY layer designs and procedures for downlink, uplink and combined uplink and downlink using transmit/receive with asymmetrical bandwidth.

    Abstract translation: 一种方法和装置可以在下行链路（DL），上行链路（DL）中使用具有对称带宽的发射和/或接收来提供多用户并行信道接入（MU-PCA）和/或单用户并行信道接入（SU-PCA） UL）或组合的DL和UL。 SU-PCA和MU-PCA可以支持不相等的调制和编码方案（MCS）和不相等的发送功率。 介质访问控制（MAC）层，物理层（PHY）以及混合和PHY层方法和过程可以使用具有对称带宽的发送和/或接收来支持UL，DL和组合的UL和DL SU-PCA和MU-PCA。 通过使用具有非对称带宽的发送/接收的下行链路，上行链路和组合上行链路和下行链路的MAC和PHY层设计和过程也可以支持MU-PCA和/或SU-PCA。

    METHODS FOR ENABLING DYNAMIC PUNCTURING IN WLAN SYSTEMS
    118.
    发明申请
    METHODS FOR ENABLING DYNAMIC PUNCTURING IN WLAN SYSTEMS 有权

    公开(公告)号：US20250119191A1

    公开(公告)日：2025-04-10

    申请号：US18834857

    申请日：2023-02-06

    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

    Inventor： Hanqing Lou ,  Zinan Lin ,  Mahmoud Saad ,  Xiaofei Wang ,  Rui Yang

    IPC: H04B7/06 ,  H04L1/00 ,  H04L5/00

    Abstract: Dynamic puncturing in a wireless local area network (WLAN) supporting 320 MHz bandwidths is disclosed. In one example, a method includes a first station (STA1) transmitting a null data packet announcement (NDPA) frame including an indicator of an orthogonal frequency division multiple access (OFDMA) subchannel puncturing over a wireless medium and subsequently transmitting a null data packet (NDP) having a U-SIG field specifying an OFDMA puncturing pattern. The NDPA may indicate that the subsequent NDP, which preferably occupies an 80 MHz channel, includes the OFDMA puncturing pattern in its U-SIG field. The method may further include transmitting a beamforming report poll (BFRP) soliciting measurement by the receiving station (STA2) on active resources, e.g., subchannels which have not been punctured. STA2 may transmit a beamforming report (BFR) in response to the BFRP, the BFR including measurements of active resources excluding subchannels inactive due to static OFDMA puncturing or dynamic OFDMA puncturing.

    Method for efficient rediscovery and medium access for wake-up radios
    119.
    发明授权
    Method for efficient rediscovery and medium access for wake-up radios 有权

    公开(公告)号：US12250638B2

    公开(公告)日：2025-03-11

    申请号：US18239706

    申请日：2023-08-29

    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

    Inventor： Xiaofei Wang ,  Hanqing Lou ,  Joseph S. Levy

    IPC: H04W52/02 ,  H04W84/12 ,  H04W88/06

    Abstract: Methods and apparatuses are described herein for rediscovery and medium access for wake-up radios. For example, a wireless transmit receive unit (WTRU) may receive, via a first transceiver, a frame that includes a wake-up radio (WUR) operation element having a first counter value. The WTRU may deactivate the first transceiver and activate a second transceiver, wherein the first transceiver enters into a doze state and the second transceiver is in an awake state. The WTRU may then receive, via the second transceiver in the awake state, a WUR frame that includes a second counter value indicating an update of a plurality of basic server set (BSS) parameters associated with the first transceiver. On a condition that the second counter value is different than the first counter value, the WTRU may activate the first transceiver to update the plurality of BSS parameters, wherein the first transceiver enters into an awake state.

    MULTI-LINK STEERING AND CONTROL IN WLAN
    120.
    发明申请
    MULTI-LINK STEERING AND CONTROL IN WLAN 有权

    公开(公告)号：US20250048174A1

    公开(公告)日：2025-02-06

    申请号：US18921961

    申请日：2024-10-21

    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

    Inventor： Li Hsiang Sun ,  Hanqing Lou ,  Xiaofei Wang

    IPC: H04W28/02 ,  H04W76/20 ,  H04W84/12

    Abstract: Methods and apparatus for multi-link (ML) steering and control in wireless local area network (WLAN) are disclosed. A station (STA) multi-link device (MLD) may communicate over a plurality of links. The STA MLD may receive, from an access point (AP) MLD, on a first link of the plurality of links, a first frame comprising a ML element, where the ML element includes pausing information indicating a period of time during which the STA MLD will pause transmission and reception on the first link. The STA MLD may send, to the AP MLD, on a second link of the plurality of links and during the indicated period of time, uplink (UL) traffic, wherein the first link and the second link are multi-directional links. The STA MLD may be non-simultaneous transmit and receive (non-STR), and the AP MLD may be capable of STR.

Patent Agency Ranking