公开(公告)号：US11259285B2

公开(公告)日：2022-02-22

申请号：US16247538

申请日：2019-01-14

Applicant: QUALCOMM Incorporated

Inventor： Ravi Gidvani ,  Abhishek Pramod Patil ,  Alfred Asterjadhi ,  George Cherian

IPC: H04W72/04 ,  H04W76/11 ,  H04W48/16 ,  H04B7/0413 ,  H04W74/00 ,  H04W84/12

Abstract: This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer-readable media, for co-located Basic Service Sets (BSSs). A BSS refers to an access point (AP), wireless channel configuration, and associated stations (STAs). In one aspect, a wireless local area network (WLAN) apparatus may operate multiple virtual access points (VAPs) and multiple BSSs. The BSS may be considered co-located if they are implemented in the same physical device (such as a WLAN apparatus). Furthermore, the BSSs may be considered co-hosted if they share the same band and wireless channel, but independently signal different management frames. To aid STAs in learning about the co-located or co-hosted BSSs, the present disclosure provides techniques to advertise the co-located or co-hosted BSSs. Further improvements for co-hosted BSSs include the use of control frames that can aggregate information for more than one co-hosted BSS sharing a same wireless channel.

公开(公告)号：US20210298059A1

公开(公告)日：2021-09-23

申请号：US17338114

申请日：2021-06-03

Applicant: QUALCOMM Incorporated

Inventor： Abhishek Pramod Patil ,  Alfred Asterjadhi ,  George Cherian

IPC: H04W72/12 ,  H04W74/08 ,  H04W74/00

Abstract: Methods and apparatus for communicating in a wireless network. In one aspect, a first wireless communication device may generate a first frame that includes at least a first aggregated media access control protocol data unit (A-MPDU). The first A-MPDU may include one or more media access control protocol data units (MPDUs). The first wireless communication device may set a first recipient address (RA) field to a first value in a first MPDU, and set a first field in the first MPDU to a second value that represents an identifier of a second wireless communication device. In one aspect, the first wireless communication device may set a second field in the first MPDU to a third value that represents an identifier of a third wireless communication device. The wireless communication device may output the first frame for transmission to at least the second and third wireless communication devices.

公开(公告)号：US20210282007A1

公开(公告)日：2021-09-09

申请号：US17189895

申请日：2021-03-02

Applicant: QUALCOMM Incorporated

Inventor： Sai Yiu Duncan Ho ,  Jouni Kalevi Malinen ,  George Cherian ,  Alfred Asterjadhi ,  Abhishek Pramod Patil

IPC: H04W12/03 ,  H04W76/15 ,  H04W12/041 ,  H04W12/06 ,  H04W12/106

Abstract: This disclosure provides systems, methods, and apparatuses for wireless communication performed by a wireless communication device. An example wireless communication device includes an access point (AP) multi-link device (MLD). The AP MLD transmits a beacon frame to a wireless station (STA) MLD, the beacon frame including a plurality of AP medium access control (MAC) addresses of respective APs belonging to the AP MLD. The AP MLD receives an association request from the STA MLD, the association request including a plurality of STA MAC addresses of respective STAs belonging to the STA MLD. The AP MLD generates, during a handshake operation with the STA MLD, one or more encryption keys configured to encrypt communications between the AP MLD and the STA MLD. The AP MLD verifies the plurality of STA MAC addresses based at least in part on the one or more encryption keys.

公开(公告)号：US11057258B2

公开(公告)日：2021-07-06

申请号：US16459307

申请日：2019-07-01

Applicant: QUALCOMM Incorporated

Inventor： George Cherian ,  Alfred Asterjadhi ,  Abhishek Pramod Patil

IPC: H04W72/00 ,  H04L27/26 ,  H04L1/00 ,  H04W72/04

Abstract: Methods, systems, and devices for wireless communications are described. In some systems (e.g., Wi-Fi systems), two stations (STAs) may support communicating different information simultaneously via multiple links, channels, resource units, etc. Simultaneous communication may be enabled by a multi-band aggregation system, an enhanced preamble puncturing system, a multi-resource unit assignment system, a full duplex system, or some combination of these. A transmitting STA may transmit data to a receiving STA in a first set of resources while communicating different information with the STA in a second set of resources. The communicating may involve an additional transmission of data, control information, or management information, or receiving feedback from the receiving STA. In some examples, the data transmission may occur on a data channel, while the control information and feedback may occur on a control channel. The simultaneous communication may improve communication throughput while reducing feedback latency in the system.

公开(公告)号：US11051319B2

公开(公告)日：2021-06-29

申请号：US16559346

申请日：2019-09-03

Applicant: QUALCOMM Incorporated

Inventor： Alfred Asterjadhi ,  George Cherian ,  Abhishek Pramod Patil ,  Bin Tian

IPC: H04W72/12 ,  H04W28/02 ,  H04L5/00 ,  H04W74/02 ,  H04W72/04 ,  H04W72/10

Abstract: Techniques for implementing low latency communications in a wireless local area network are provided. A first wireless communication device may implement a low latency basic service set (BSS) that allows contention-based channel access over a portion of a bandwidth. The first wireless communication device may configure a primary channel and one or more secondary channels within an available bandwidth. Communications with one or more wireless communication devices that have data traffic associated with a quality of service (QoS) parameter may be provided over one or more of the secondary channels. A transmission from a second wireless communication device on the primary channel may be discarded by the first wireless communication device, or the first wireless communication device may take over channel access from the second wireless communication device if such a transmission overlaps with low latency transmissions on the one or more secondary channels.

公开(公告)号：US20210007006A1

公开(公告)日：2021-01-07

申请号：US16917225

申请日：2020-06-30

Applicant: QUALCOMM Incorporated

Inventor： Jialing Li Chen ,  Alfred Asterjadhi ,  Stephen Jay Shellhammer ,  Dung Ngoc Doan ,  Bin Tian ,  George Cherian ,  Abhishek Pramod Patil

IPC: H04W28/04 ,  H04L1/00 ,  H04L1/18

Abstract: This disclosure provides methods, devices and systems of wireless communication in accordance with hybrid automatic repeat request (HARQ) techniques. Some implementations more specifically relate to aligning aggregate medium access control (MAC) protocol data unit (A-MPDU) subframes with codeword boundaries in a physical-layer service data unit (PSDU). The alignment may be performed by selectively adding padding bits to the PSDU based on the size of each A-MPDU subframe and the lengths of the codewords. In some aspects, an A-MPDU subframe may be aligned with a first codeword of the PSDU so that the first A-MPDU subframe is encoded exclusively within the first codeword. In some other aspects, an A-MPDU subframe may be aligned with two or more contiguous codewords of the PSDU so that the two or more contiguous codewords include the A-MPDU subframe and no portions of any other A-MPDU subframe.

公开(公告)号：US20210006360A1

公开(公告)日：2021-01-07

申请号：US16917543

申请日：2020-06-30

Applicant: QUALCOMM Incorporated

Inventor： Alfred Asterjadhi ,  George Cherian ,  Abhishek Pramod Patil ,  Lochan Verma ,  Jialing Li Chen ,  Stephen Jay Shellhammer ,  Dung Ngoc Doan ,  Bin Tian

IPC: H04L1/18 ,  H04W74/08

Abstract: This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer-readable media, for implementing a hybrid automatic repeat request (HARQ) protocol in a wireless local area network (WLAN). In some aspects, a first WLAN device may transmit a first HARQ frame to a second WLAN device. The first WLAN device may receive a first feedback message from the second WLAN device. The first feedback message may be a HARQ Block Acknowledgement (H-BA) message. The first WLAN device may determine to enable the HARQ protocol based on the first feedback message. The first WLAN device may receive an indication of an amount of memory available at the second WLAN device for processing HARQ transmissions. The first WLAN device may transmit a second HARQ frame to the second WLAN device based, at least in part, on the amount of memory available at the second WLAN device for processing HARQ transmissions.

公开(公告)号：US10856203B2

公开(公告)日：2020-12-01

申请号：US15870606

申请日：2018-01-12

Applicant: QUALCOMM Incorporated

Inventor： Yan Zhou ,  Abhishek Pramod Patil ,  Alfred Asterjadhi ,  Venkata Ramanan Venkatachalam Jayaraman ,  George Cherian ,  Simone Merlin

IPC: H04W40/02 ,  H04L29/12 ,  H04L12/709 ,  H04B1/16 ,  H04L29/06 ,  H04B1/04 ,  H04L1/16 ,  H04W76/14 ,  H04W76/15 ,  H04L5/00 ,  H04W28/02 ,  H04W28/06 ,  H04W48/16 ,  H04W52/02 ,  H04L29/08 ,  H04W72/08 ,  H04L12/801 ,  H04W8/22 ,  H04W84/12 ,  H04W88/10 ,  H04L12/891

Abstract: Methods, systems, and devices for wireless communication are described. A wireless device may identify an aggregation capability to communicate in parallel over a plurality of wireless links. The wireless device may in some cases broadcast this aggregation capability (e.g., periodically). Additionally or alternatively, the wireless device may transmit the aggregation capability in response to a request received from another wireless device. In some cases, the first wireless device may transmit a request to a second wireless device inquiring about aggregation capabilities of the second wireless device. The second wireless device may respond with its aggregation capabilities (e.g., or may broadcast its aggregation capabilities independently of receiving the response). The wireless devices may establish a multi-link session based at least in part on the indicated aggregation capabilities.

公开(公告)号：US20200374062A1

公开(公告)日：2020-11-26

申请号：US16882341

申请日：2020-05-22

Applicant: QUALCOMM Incorporated

Inventor： Lochan Verma ,  George Cherian ,  Alfred Asterjadhi ,  Abhishek Pramod Patil ,  Sai Yiu Duncan Ho

IPC: H04L5/00 ,  H04B7/024 ,  H04W72/04

Abstract: This disclosure provides systems, methods and apparatuses for wireless communications. In some implementations, a first access point (AP) may identify other APs to participate in a coordinated access point transmission session, may obtain a transmit opportunity (TXOP) for transmitting wireless signals over a frequency bandwidth, may allocate corresponding portions of the frequency bandwidth to the identified APs for downlink (DL) transmissions during the TXOP, may select a duration of the TXOP for the coordinated access point transmission session based at least in part on an amount or percentage of the first AP's frequency bandwidth that is allocated to the one or more identified APs for the coordinated access point transmission session, and may output information indicative of at least one of the selected TXOP duration or the corresponding portions of the frequency bandwidth allocated to the respective identified AP by the first AP.

公开(公告)号：US10827484B2

公开(公告)日：2020-11-03

申请号：US14959949

申请日：2015-12-04

Applicant: QUALCOMM Incorporated

Inventor： Abhishek Pramod Patil ,  Santosh Paul Abraham ,  Alireza Raissinia ,  George Cherian

IPC: H04W4/00 ,  H04W72/04 ,  H04W68/00 ,  H04W74/06 ,  H04L5/00 ,  H04W28/16 ,  H04W84/18 ,  H04W68/02

Abstract: A method of communication includes generating a control message at a particular device. The control message indicates availability of data to be sent by the particular device. The data includes first data corresponding to a first access category. The method also includes, subsequent to determining that transmission of the control message is to be delayed, determining a first delay based on the first access category. The method further includes sending the control message from the particular device upon expiration of a delay period. The delay period is based on the first delay.