公开(公告)号：US11751175B2

公开(公告)日：2023-09-05

申请号：US17320121

申请日：2021-05-13

Applicant: QUALCOMM Incorporated

Inventor： Iyab Issam Sakhnini ,  Peter Gaal ,  Tao Luo ,  Wanshi Chen ,  Qiang Wu ,  Yuchul Kim ,  Wooseok Nam ,  Juan Montojo ,  Jelena Damnjanovic ,  Hwan Joon Kwon ,  Mahmoud Taherzadeh Boroujeni

IPC: H04W72/044 ,  H04W72/23

CPC classification number: H04W72/044 ,  H04W72/23

Abstract: Apparatus, methods, and computer-readable media for facilitating semi-static TCI configurations are disclosed herein. An example method for wireless communication at a UE includes receiving, from a base station, a first downlink message including a TCI state indicator. The example method also includes initiating a timer after receiving the first downlink message including the TCI state indicator. Additionally, the example method includes receiving, after the timer expires, subsequent downlink messages using the indicated TCI state until a second downlink message including a TCI state change indication is received. An example method for wireless communication at a base station includes transmitting, to a UE, a first downlink message including a TCI state indicator. The example method also includes initiating a timer after transmitting the first downlink message including the TCI state indicator. Additionally, the example method includes transmitting, after the timer expires, subsequent downlink messages based on the indicated TCI state.

公开(公告)号：US11696342B2

公开(公告)日：2023-07-04

申请号：US17365584

申请日：2021-07-01

Applicant: QUALCOMM Incorporated

Inventor： Iyab Issam Sakhnini ,  Tao Luo ,  Wanshi Chen ,  Mahmoud Taherzadeh Boroujeni ,  Juan Montojo ,  Peter Gaal ,  Qiang Wu ,  Yuchul Kim ,  Linhai He ,  Junyi Li ,  Wooseok Nam

IPC: H04W74/08 ,  H04W74/00 ,  H04W72/0446 ,  H04W68/00 ,  H04W72/044 ,  H04W80/02 ,  H04W72/0453

CPC classification number: H04W74/0841 ,  H04W68/005 ,  H04W72/046 ,  H04W72/0446 ,  H04W72/0453 ,  H04W74/006 ,  H04W80/02

Abstract: Generating, by a user equipment (UE) of a wireless access network, for a set of contention-based random access occasions of a base station of the network, a random number over an interval. For the generated random number meeting a threshold value within the interval, transmitting, by the UE and to the base station, a random access preamble within one of the random access occasions of the set. For the generated random number not meeting the threshold value, attempting, by the UE, contention-based access to the network within a subsequent set of random access occasions of the base station, the subsequent set of random access occasions occurring after the set of contention-based random access occasions of the base station.

公开(公告)号：US11671932B2

公开(公告)日：2023-06-06

申请号：US17152693

申请日：2021-01-19

Applicant: QUALCOMM Incorporated

Inventor： Huilin Xu ,  Jun Ma ,  Qiang Wu ,  Xiao Feng Wang ,  Iyab Issam Sakhnini ,  Dan Zhang ,  Liangping Ma

IPC: H04W56/00 ,  H04W68/00 ,  H04W74/08 ,  H04W76/11 ,  H04W76/27 ,  H04W84/06

CPC classification number: H04W56/005 ,  H04W68/005 ,  H04W74/0833 ,  H04W76/11 ,  H04W76/27 ,  H04W84/06

Abstract: Various aspects relate to adjusting communication timing in response to a switch from one feeder link to another feeder link in a non-terrestrial network. For example, when a satellite moves out of the coverage area of a first ground network entity (or if the first ground network entity is turned off), the satellite switches to a second ground network entity. The resulting switch from a first feeder link for the first ground network entity to a second feeder link for the second ground network entity may cause a timing glitch that adversely affects the UEs under the coverage of the satellite. The disclosure relates in some aspects to sending an indication of the switch and/or a common timing adjust command to all of the UEs affected by the feeder link switch.

公开(公告)号：US11665705B2

公开(公告)日：2023-05-30

申请号：US17235759

申请日：2021-04-20

Applicant: QUALCOMM Incorporated

Inventor： Qiang Wu ,  Iyab Issam Sakhnini ,  Mehmet Izzet Gurelli ,  Jun Ma ,  Ahmed Abdelaziz Ibrahim Abdelaziz Zewail

IPC: H04W72/12 ,  H04W72/23 ,  H04L1/00

CPC classification number: H04W72/23 ,  H04L1/0013

Abstract: A method of wireless communication by a user equipment (UE) includes receiving a first stage of piggyback downlink control information (DCI). The first stage includes scheduling information for a second stage of piggyback DCI. The method also includes receiving the second stage in accordance with the scheduling information. The second stage includes component DCIs. The first and second stages are separately decoded. A method of wireless communication by a base station includes transmitting a first stage of piggyback DCI. The base station also transmits the second stage in accordance with the scheduling information. The second stage includes component DCIs. The first and second stages are separately coded.

公开(公告)号：US11617210B2

公开(公告)日：2023-03-28

申请号：US17195191

申请日：2021-03-08

Applicant: QUALCOMM Incorporated

Inventor： Iyab Issam Sakhnini ,  Xiaoxia Zhang ,  Jing Sun ,  Tao Luo ,  Zhifei Fan ,  Arumugam Chendamarai Kannan ,  Juan Montojo ,  Ahmed Abdelaziz Ibrahim Abdelaziz Zewail ,  Qiang Wu ,  Jun Ma ,  Mehmet Izzet Gurelli

IPC: H04L27/26 ,  H04W74/00 ,  H04W74/08

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a physical random access channel (PRACH) preamble configuration that indicates a first preamble format for a first PRACH preamble and a second preamble format for a second PRACH preamble, wherein the first preamble format is different from the second preamble format. The UE may transmit the first PRACH preamble as part of a random access procedure based at least in part on the PRACH preamble configuration, wherein transmitting the first PRACH preamble enables a determination of a symbol boundary offset. The UE may transmit the second PRACH preamble as part of the random access procedure based at least in part on the PRACH preamble configuration, wherein transmitting the second PRACH preamble enables a determination of a symbol timing offset. Numerous other aspects are described.

公开(公告)号：US11595102B2

公开(公告)日：2023-02-28

申请号：US17238141

申请日：2021-04-22

Applicant: QUALCOMM Incorporated

Inventor： Hamed Pezeshki ,  Tao Luo ,  Sony Akkarakaran ,  Junyi Li ,  Taesang Yoo ,  Qiang Wu ,  Arumugam Chendamarai Kannan ,  Jingchao Bao

IPC: H04L1/02 ,  H04B7/06 ,  G06N20/00

Abstract: Various aspects relate generally to the beam management procedures in wireless communications systems. Some aspects more specifically relate to the selection of beams for communications to and from a UE and a network entity based on quantized orientation information for a user equipment (UE). In some implementations, a network entity can use the quantized orientation information and a machine learning model to predict a set of beams that may be suitable for communications to and from the UE and the network entity, which may be a subset of the beams that the network entity can generally use for communications to and from the UE and the network entity.

公开(公告)号：US11563484B2

公开(公告)日：2023-01-24

申请号：US16805472

申请日：2020-02-28

Applicant: QUALCOMM Incorporated

Inventor： Xiao Feng Wang ,  Jun Ma ,  Qiang Wu ,  Huilin Xu ,  Iyab Issam Sakhnini ,  Dan Zhang

IPC: H04W68/00 ,  H04B7/185 ,  H04W56/00

Abstract: A non-terrestrial network is provided that includes a satellite that transmits an orbital parameter message to a user equipment. The user equipment processes the orbital parameter message to determine a current range from the user equipment to the satellite based upon the received orbital parameter message, a timing offset and a frequency offset for an uplink transmission to the satellite.

公开(公告)号：US11533729B2

公开(公告)日：2022-12-20

申请号：US17022461

申请日：2020-09-16

Applicant: QUALCOMM Incorporated

Inventor： Mehmet Izzet Gurelli ,  Qiang Wu ,  Iyab Issam Sakhnini ,  Jun Ma ,  Ahmed Abdelaziz Ibrahim Abdelaziz Zewail

IPC: H04W72/04 ,  H04L1/00 ,  H04L1/16 ,  H04L5/00

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a first downlink control information (DCI) scheduling a downlink transmission at the UE, where the first DCI includes an indication of a first resource allocation for the downlink transmission. The UE may determine that the downlink transmission includes a downlink data message multiplexed with second DCI. The UE may receive an indication of a second resource allocation for the second DCI. The UE may determine a transport block size (TBS) of the downlink data message based on the first resource allocation for the downlink transmission and the second resource allocation for the second DCI. The UE may then process the downlink transmission based on the TBS of the downlink data message.

公开(公告)号：US20220086840A1

公开(公告)日：2022-03-17

申请号：US17022461

申请日：2020-09-16

Applicant: QUALCOMM Incorporated

Inventor： Mehmet Izzet Gurelli ,  Qiang Wu ,  lyab Issam Sakhnini ,  Jun Ma ,  Ahmed Abdelaziz Ibrahim Abdelaziz Zewail

IPC: H04W72/04 ,  H04L1/16 ,  H04L1/00 ,  H04L5/00

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a first downlink control information (DCI) scheduling a downlink transmission at the UE, where the first DCI includes an indication of a first resource allocation for the downlink transmission. The UE may determine that the downlink transmission includes a downlink data message multiplexed with second DCI. The UE may receive an indication of a second resource allocation for the second DCI. The UE may determine a transport block size (TBS) of the downlink data message based on the first resource allocation for the downlink transmission and the second resource allocation for the second DCI. The UE may then process the downlink transmission based on the TBS of the downlink data message.

公开(公告)号：US20210392593A1

公开(公告)日：2021-12-16

申请号：US17347259

申请日：2021-06-14

Applicant: QUALCOMM Incorporated

Inventor： Anantha Krishna Karthik Nagarajan ,  Jun Ma ,  Tao Luo ,  Peter Gaal ,  Qiang Wu ,  Xiaoxia Zhang ,  Jing Sun ,  Mehmet Izzet Gurelli ,  Iyab Issam Sakhnini ,  Ahmed Abdelaziz Ibrahim Abdelaziz Zewail ,  Juan Montojo ,  Sungwoo Park

IPC: H04W56/00 ,  H04W76/11 ,  H04W24/10 ,  H04W72/04

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify a configuration of a set of synchronization signal blocks (SSBs) to be transmitted by a first base station or a second base station. In some cases, the UE may be served by the first base station and the UE may receive, from the first base station or the second base station, a message indicating that a transmission of at least one SSB of the set of SSBs is canceled and indicating resources for a signal (e.g., a reference signal, alternative SSB transmission) to be transmitted by the first base station or the second base station as an alternative to the canceled at least one SSB. The UE may receive, based on the received message from the first base station or the second base station, the signal using the indicated resources.