公开(公告)号：US11856581B2

公开(公告)日：2023-12-26

申请号：US17136929

申请日：2020-12-29

Applicant: QUALCOMM Incorporated

Inventor： Qingjiang Tian ,  Jing Sun ,  Xiaoxia Zhang ,  Zhifei Fan ,  Tao Luo ,  Wooseok Nam ,  Ahmed Abdelaziz Ibrahim Abdelaziz Zewail

IPC: H04W72/23 ,  H04W72/1273

CPC classification number: H04W72/23 ,  H04W72/1273

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a physical downlink shared channel (PDSCH) grant scheduling a set of PDSCH transmissions, wherein one or more PDSCH transmissions, of the set of PDSCH transmissions, are associated with a size and length indicator value (SLIV), and wherein at least one orthogonal frequency division multiplexing (OFDM) symbol overlaps with a semi-static uplink symbol. The UE may monitor for at least one PDSCH transmission, of the set of PDSCH transmissions, in accordance with the PDSCH grant. Numerous other aspects are described.

公开(公告)号：US11653347B2

公开(公告)日：2023-05-16

申请号：US17121697

申请日：2020-12-14

Applicant: QUALCOMM Incorporated

Inventor： Anantha Krishna Karthik Nagarajan ,  Jing Sun ,  Xiaoxia Zhang ,  Tao Luo ,  Jun Ma ,  Wooseok Nam ,  Zhifei Fan ,  Qingjiang Tian ,  Hemant Saggar ,  Ahmed Abdelaziz Ibrahim Abdelaziz Zewail

IPC: H04W72/04 ,  H04W72/044 ,  H04W74/00 ,  H04W72/02 ,  H04W74/08

CPC classification number: H04W72/0473 ,  H04W72/02 ,  H04W72/0413 ,  H04W74/004 ,  H04W74/0833

Abstract: Apparatus, methods, and computer-readable media for coexistence of multiple uplink control channel formats for wireless communication with power spectral density limitation are disclosed herein. A user equipment (UE) may communicate, with a base station (BS) over a random access channel on a first set of random access resources or a second set of random access resources, a random access request based on a comparison between an intended transmit power of the random access request and a reference transmit power threshold. The UE may communicate, on a first set of uplink resources, a control message for initial network access when the random access request is communicated on the first set of random access resources. The UE also may communicate, on a second set of uplink resources, the control message when the random access request is communicated on the second set of random access resources.

公开(公告)号：US11528718B2

公开(公告)日：2022-12-13

申请号：US17163797

申请日：2021-02-01

Applicant: QUALCOMM Incorporated

Inventor： Qingjiang Tian ,  Srinivas Yerramalli ,  Xiaoxia Zhang ,  Jing Sun ,  Chih-Hao Liu

IPC: H04W72/10 ,  H04W72/04 ,  H04W74/08 ,  H04W88/02 ,  H04W88/08 ,  H04W74/04

Abstract: Indication of transmission priority class is disclosed for sharing a base station's maximum channel occupancy time (MCOT) for use in autonomous uplink (AUL). Aspects of the disclosure provide for implicitly sharing the MCOT by providing an indication of transmission opportunity (TxOP) length. A serving base station sends an indication of a current TxOP length in control signals to a user equipment (UE). The UE may then infer a set of potential transmission priorities used by the serving base station according to the TxOP length, as TxOP length may relate to the MCOT, which itself may be associated with a particular transmission priority class. The UE may then, conservatively, select the highest transmission priority of the set of potential transmission priorities for autonomously transmitting any uplink data having at least the selected highest transmission priority within configured AUL resource of the current TxOP.

公开(公告)号：US20220150851A1

公开(公告)日：2022-05-12

申请号：US17451994

申请日：2021-10-22

Applicant: QUALCOMM Incorporated

Inventor： Qingjiang Tian ,  Xiaoxia Zhang ,  Jing Sun ,  Zhifei Fan ,  Arumugam Chendamarai Kannan ,  Jun Ma ,  Tao Luo ,  Juan Montojo

IPC: H04W56/00 ,  H04L5/00 ,  H04L27/26

Abstract: In one aspect, an extended SSB (ESSB) is provided that includes more than four symbols to facilitate UE reception of SSBs. In this aspect, the base station configures an ESSB comprising an SSB including four symbols and an initial symbol preceding the SSB. The base station transmits and the UE receives at least a portion of the ESSB. The UE processes the ESSB. Thus, higher capacity UEs can benefit from additional coding gain in the initial symbol while lower capacity UEs can switch beams to receive back-to-back ESSBs. In another aspect, a UE performs additional behaviors to receive SSBs. In this aspect, the UE receives a first SSB using a reception beam, and the UE determines to maintain the reception beam for a second SSB or to switch the reception beam during a PSS symbol of the second SSB. Thus, lower capacity UEs can also receive back-to-back SSBs.

公开(公告)号：US11038567B2

公开(公告)日：2021-06-15

申请号：US16241747

申请日：2019-01-07

Applicant: QUALCOMM Incorporated

Inventor： Xiaoxia Zhang ,  Kapil Bhattad ,  Jing Sun ,  Qingjiang Tian ,  Srinivas Yerramalli ,  Tamer Kadous ,  Yongbin Wei ,  Aleksandar Damnjanovic

IPC: H04B7/04 ,  H04B7/0456 ,  H04B7/06 ,  H04L1/00 ,  H04L1/16 ,  H04W74/08 ,  H04L5/00 ,  H04W72/04

Abstract: Wireless communications systems and methods related to performing adaptive autonomous uplink (UL) communications are provided. A first wireless communication device receives, from a second wireless communication device, an autonomous uplink transmission configuration. The first wireless communication device determines a transmission parameter in response to a link adaptation parameter based on the autonomous uplink transmission configuration. The first wireless communication device transmits, to the second wireless communication device, an autonomous uplink communication signal based on the determined transmission parameter.

公开(公告)号：US20210160892A1

公开(公告)日：2021-05-27

申请号：US17163797

申请日：2021-02-01

Applicant: QUALCOMM Incorporated

Inventor： Qingjiang Tian ,  Srinivas Yerramalli ,  Xiaoxia Zhang ,  Jing Sun ,  Chih-Hao Liu

IPC: H04W72/10 ,  H04W72/04 ,  H04W74/08

Abstract: Indication of transmission priority class is disclosed for sharing a base station's maximum channel occupancy time (MCOT) for use in autonomous uplink (AUL). Aspects of the disclosure provide for implicitly sharing the MCOT by providing an indication of transmission opportunity (TxOP) length. A serving base station sends an indication of a current TxOP length in control signals to a user equipment (UE). The UE may then infer a set of potential transmission priorities used by the serving base station according to the TxOP length, as TxOP length may relate to the MCOT, which itself may be associated with a particular transmission priority class. The UE may then, conservatively, select the highest transmission priority of the set of potential transmission priorities for autonomously transmitting any uplink data having at least the selected highest transmission priority within configured AUL resource of the current TxOP.

公开(公告)号：US10912097B2

公开(公告)日：2021-02-02

申请号：US16276101

申请日：2019-02-14

Applicant: QUALCOMM INCORPORATED

Inventor： Qingjiang Tian ,  Srinivas Yerramalli ,  Xiaoxia Zhang ,  Jing Sun ,  Chih-Hao Liu

IPC: H04W72/10 ,  H04W72/04 ,  H04W74/08 ,  H04W88/02 ,  H04W88/08 ,  H04W74/04

Abstract: Indication of transmission priority class is disclosed for sharing a base station's maximum channel occupancy time (MCOT) for use in autonomous uplink (AUL). Aspects of the disclosure provide for implicitly sharing the MCOT by providing an indication of transmission opportunity (TxOP) length. A serving base station sends an indication of a current TxOP length in control signals to a user equipment (UE). The UE may then infer a set of potential transmission priorities used by the serving base station according to the TxOP length, as TxOP length may relate to the MCOT, which itself may be associated with a particular transmission priority class. The UE may then, conservatively, select the highest transmission priority of the set of potential transmission priorities for autonomously transmitting any uplink data having at least the selected highest transmission priority within configured AUL resource of the current TxOP.

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：US20200084759A1

公开(公告)日：2020-03-12

申请号：US16563730

申请日：2019-09-06

Applicant: QUALCOMM Incorporated

Inventor： Chih-Hao Liu ,  Seyed Ali Akbar Fakoorian ,  Srinivas Yerramalli ,  Qingjiang Tian ,  Andrei Dragos Radulescu ,  Tamer Kadous

IPC: H04W72/04 ,  H04W72/08 ,  H04L5/00 ,  H04W24/10

Abstract: Generally, the described techniques provide for a base station transmitting an indication of a set of one or more available channels to a user equipment (UE). The base station may transmit to the UE a first downlink burst using a first channel and a first frame period. In some cases, the base station may detect interference associated with the first downlink burst, for example, by performing a listen-before-talk (LBT) procedure or through an interference management resources (IMR) procedure in which the base station transmits reference signal signals to the UE that the UE may use to return a report on measured interference. If the base station detects interference, the base station may transmit to the UE an instruction to switch to a second channel and a second frame period, where the second channel may be selected from the set of one or more available channels.

公开(公告)号：US20190253219A1

公开(公告)日：2019-08-15

申请号：US16241660

申请日：2019-01-07

Applicant: QUALCOMM Incorporated

Inventor： Zhifei Fan ,  Xiaoxia Zhang ,  Jing Sun ,  Tamer Kadous ,  Qingjiang Tian

IPC: H04L5/00 ,  H04W16/14 ,  H04L27/20

CPC classification number: H04L5/0053 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/0092 ,  H04L27/206 ,  H04W16/14 ,  H04W74/08

Abstract: Methods, systems, and devices for wireless communications are described. One method may include receiving, by a user equipment (UE) from a base station, a resource allocation indicator corresponding to a total number of resource elements to allocate for uplink control information within a resource allocation of a shared data channel. The UE may determine anchor resources within the resource allocation, and determine a plurality of transmission parameters for an autonomous uplink transmission based on the total number of resource elements. The UE may transmit, to the base station, the uplink control information within the anchor resources to indicate the plurality of transmission parameters for the autonomous uplink transmission.