公开(公告)号：US10666368B2

公开(公告)日：2020-05-26

申请号：US16516495

申请日：2019-07-19

Applicant: QUALCOMM Incorporated

Inventor： Gwendolyn Denise Barriac ,  George Cherian ,  Simone Merlin ,  Alfred Asterjadhi ,  Yan Zhou ,  Gang Ding ,  Qingjiang Tian

IPC: H04B17/318 ,  H04W72/08 ,  H04W16/10 ,  H04W72/04 ,  H04W16/14 ,  H04W84/12 ,  H04W74/00 ,  H04W88/08

Abstract: Methods and apparatus for managing reuse of a wireless medium are provided. One method of managing reuse of a wireless medium includes determining, at an access point, whether to allow reuse of the wireless medium by one or more stations in a basic service set (BSS). The method further includes transmitting, upon determining to allow reuse, an indication that reuse of the wireless medium can be permitted for stations meeting a criteria. The method further includes determining one or more reuse parameters. The method further includes transmitting the one or more reuse parameters.

公开(公告)号：US10462814B2

公开(公告)日：2019-10-29

申请号：US15415727

申请日：2017-01-25

Applicant: QUALCOMM Incorporated

Inventor： Yan Zhou ,  Simone Merlin ,  Gwendolyn Denise Barriac

IPC: H04W74/00 ,  H04L12/18 ,  H04W28/18

Abstract: A method for configuring channel access parameters in a wireless communication system includes selecting an element identification (ID) from a plurality of element IDs. Each of the plurality of element IDs identifies an enhanced distributed channel access (EDCA) parameter set element comprising at least one channel access parameter for at least one subset of wireless devices in a group of wireless devices. The selected element ID is identifiable by wireless devices of the group of wireless devices and not identifiable by other wireless devices. The method further includes generating the EDCA parameter set element for setting the at least one channel access parameter for each wireless device in the at least one subset. The EDCA parameter set element includes the selected element ID. The method further includes transmitting the EDCA parameter set element to at least one wireless device in the at least one subset of wireless devices.

公开(公告)号：US20190313440A1

公开(公告)日：2019-10-10

申请号：US16373923

申请日：2019-04-03

Applicant: QUALCOMM Incorporated

Inventor： Makesh Pravin John Wilson ,  Tao Luo ,  Sony Akkarakaran ,  Yan Zhou ,  Hung Dinh Ly

IPC: H04W72/14 ,  H04W72/04 ,  H04W72/12 ,  H04L27/26 ,  H04J11/00

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to monitor, via a receive beam, a first transmission time interval (TTI) of a plurality of different TTIs for a control resource set. The UE may decode the control resource set to obtain a first grant and a second grant. Upon decoding the control resource set, the UE may determine that the first grant and the second grant are associated with different parameters. In some cases, the parameters may be spatial quasi-colocation (QCL) assumptions mapped to the control resource set. The UE may decode, resources of a shared data channel indicated in at least one of the first grant and the second grant. In some cases, the UE may decode the resources during at least one of the first TTI and a second TTI of the plurality different TTIs.

公开(公告)号：US20190313434A1

公开(公告)日：2019-10-10

申请号：US16267956

申请日：2019-02-05

Applicant: QUALCOMM Incorporated

Inventor： Yan Zhou ,  Tao Luo ,  Xiao Feng Wang ,  Xiaoxia Zhang ,  Makesh Pravin John Wilson ,  Sony Akkarakaran ,  Wooseok Nam

IPC: H04W72/12 ,  H04W72/08 ,  H04W56/00 ,  H04W24/08

Abstract: Methods, systems, and devices for wireless communications are described for transmissions of multiple instances of control information, such as remaining minimum system information (RMSI) that may be used for system access by a user equipment (UE). The multiple instances of the control information may be transmitted in a number of monitoring occasions that may be monitored by a UE, and within the monitoring occasions, the control information may be transmitted using different time locations, frequency locations, or combinations thereof. The locations may be identified based at least in part on one or more parameters associated with at least a first monitoring occasion. The one or more parameters may include an identification parameter associated with the base station or monitoring occasion, an index value associated with the monitoring occasion, a frequency parameter associated with the monitoring occasion, a control information multiplexing pattern, or any combination thereof.

公开(公告)号：US10243700B2

公开(公告)日：2019-03-26

申请号：US14793101

申请日：2015-07-07

Applicant: QUALCOMM Incorporated

Inventor： Yan Zhou ,  Santosh Paul Abraham ,  Gwendolyn Denise Barriac ,  Simone Merlin ,  Rahul Tandra ,  Hemanth Sampath

IPC: H04L1/16 ,  H04L5/00 ,  H04B7/0452 ,  H04L1/00

Abstract: An acknowledgment (ACK) frame has two parts: a group ACK part and a scheduling information part. In the group ACK part, an ACK/NACK indicator is included for a previous uplink (UL) transmission per station (STA). In the scheduling information part, information included for the following UL transmission per selected STA may comprise, for example, one or more of: a number of selected STAs, a media access control (MAC) address of each selected STA, a data transmission duration per selected STA, a transmission rate per selected STA, a request transmission duration, a pilot transmission order, or a STA transmission order.

公开(公告)号：US10225866B2

公开(公告)日：2019-03-05

申请号：US15182536

申请日：2016-06-14

Applicant: QUALCOMM Incorporated

Inventor： Yan Zhou ,  Alfred Asterjadhi ,  Simone Merlin ,  George Cherian

IPC: H04W4/00 ,  H04W74/08 ,  H04L27/26 ,  H04L5/00 ,  H04W72/00

Abstract: Systems, methods, and apparatuses for signaling and generating an enhanced random access frame in a wireless network are provided. One aspect of this disclosure provides a method of wireless communication. The method includes receiving, at a first device, a first frame from a second device indicating one or more frequency bandwidths available for random access by the first device. The method further includes transmitting, at the first device, a second frame to the second device in response to the first frame, the second frame comprising an indication of an identifier of the first device and indicating a selection of at least one frequency bandwidth of the one or more frequency bandwidths, the second frame not including a medium access control (MAC) payload data portion.

公开(公告)号：US20190037058A1

公开(公告)日：2019-01-31

申请号：US16152309

申请日：2018-10-04

Applicant: QUALCOMM Incorporated

Inventor： Alfred Asterjadhi ,  Simone Merlin ,  George Cherian ,  Gwendolyn Denise Barriac ,  Gang Ding ,  Qingjiang Tian ,  Yan Zhou

IPC: H04L29/08

Abstract: Methods, devices, and computer program products for traffic information signaling in a wireless communications network are disclosed. In one aspect, a method of wireless communication network is disclosed. The method includes selecting, from a variable number of control fields, one or more control fields for inclusion in a frame. The method further includes generating the frame comprising the selected number of control fields, each control field comprising an end of control field, the end of control field storing an indicator indicative of an end of the selected number of control fields or a presence of another control field in the frame. The method further includes transmitting the frame.

公开(公告)号：US10159093B2

公开(公告)日：2018-12-18

申请号：US15244537

申请日：2016-08-23

Applicant: QUALCOMM Incorporated

Inventor： Yan Zhou ,  Gwendolyn Denise Barriac ,  George Cherian ,  Simone Merlin ,  Alfred Asterjadhi ,  Qingjiang Tian ,  Gang Ding

IPC: H04W74/00 ,  H04W74/08 ,  H04W84/12

Abstract: The present disclosure provides techniques for configuring the utilization of request-to-send/clear-to-send (RTS/CTS) protocol procedures based on varying conditions at the STA. For example, an AP may identify one or more conditions, when satisfied, may trigger the STA to either enable or disable uplink (UL) transmissions associated with a RTS/CTS protocol procedure. In some aspects, an AP may determine a transmit opportunity (TXOP) threshold for an STA and may determine whether to broadcast a message having the TXOP threshold to multiple STAs including the STA or unicast the message to the STA. An STA may receive a message from an AP having a TXOP threshold and may replace, based on an indication in the received message, a current TXOP threshold in the STA with the TXOP threshold in the received message. The STA may transmit an UL RTS frame in response to a determination that a planned TXOP duration satisfies the TXOP threshold.

公开(公告)号：US20180324306A1

公开(公告)日：2018-11-08

申请号：US16038023

申请日：2018-07-17

Applicant: QUALCOMM Incorporated

Inventor： Yan Zhou ,  Simone Merlin ,  George Cherian ,  Santosh Paul Abraham ,  Gwendolyn Denise Barriac ,  Hemanth Sampath

IPC: H04M3/56 ,  H04L12/18 ,  H04L5/00

CPC classification number: H04M3/567 ,  H04L5/0055 ,  H04L12/189 ,  H04M2203/205 ,  H04M2203/356

Abstract: Devices and methods for synchronized group messaging in a wireless communication system are described. Multicast transmissions, such as those in a dense network, can cause significant medium usage because same multicast packet is likely sent by multiple APs at different time. Medium usage in such implementations may be redundant. As such, the transmission medium is not used optimally. Devices and methods which coordinate and align group messages (e.g., multicast packets) amongst APs are described. Each AP may be configured to transmit identical packets at the same time. Therefore, medium usage can be reduced, while the range can be extended due to accumulated energy from APs.

公开(公告)号：US10091817B2

公开(公告)日：2018-10-02

申请号：US15342906

申请日：2016-11-03

Applicant: QUALCOMM Incorporated

Inventor： Gwendolyn Denise Barriac ,  George Cherian ,  Simone Merlin ,  Alfred Asterjadhi ,  Yan Zhou ,  Qingjiang Tian

IPC: H04W74/08 ,  H04W72/04 ,  H04W52/50 ,  H04W52/28

Abstract: A wireless first device may receive a packet from another device from an overlapping basic service set (OBSS). A received power of the packet may be greater than a threshold for transmitting during the time of the packet. If the first device reduces its transmit power, the first device may increase the threshold. If the received power is less than the increased threshold, the first device may count down a backoff count during a transmission time or transmission opportunity of the packet. In some cases, after the transmission time or transmission opportunity, the first device may increase its transmission power. In some cases, the condition for counting down a backoff count may also include initiating or finishing the transmission during the transmission time or the transmission opportunity of the packet, or transmitting at the reduced power.