公开(公告)号：US20230171067A1

公开(公告)日：2023-06-01

申请号：US17997292

申请日：2021-06-18

Applicant: QUALCOMM INCORPORATED

Inventor： Runxin WANG ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Peter GAAL ,  Alexandros MANOLAKOS ,  Seyed Ali Akbar FAKOORIAN ,  Yu ZHANG ,  Hwan Joon KWON ,  Krishna Kiran MUKKAVILLI

IPC: H04L5/00

CPC classification number: H04L5/0051 ,  H04L5/0096

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a configuration signal indicating one or more reference signal resource sets, the one or more reference signal resource sets comprising at least a first subset of reference signal resources associated with a first reference signal switching configuration and a second subset of reference signal resources associated with a second reference signal switching configuration. The UE may receive a trigger signal activating at least the first reference signal switching configuration or the second reference signal switching configuration. The UE may transmit, based at least in part on the trigger signal, reference signals according to the first subset of reference signal resources or second subset of reference signal resources.

公开(公告)号：US20210385815A1

公开(公告)日：2021-12-09

申请号：US17374627

申请日：2021-07-13

Applicant: QUALCOMM Incorporated

Inventor： Alberto RICO ALVARINO ,  Peter GAAL ,  Xiaofeng WANG ,  Wanshi CHEN ,  Seyed Ali Akbar FAKOORIAN ,  Hao XU ,  Renqiu WANG ,  Jing LEI

IPC: H04W72/04 ,  H04L5/00 ,  H04W4/70 ,  H04W72/08

Abstract: Aspects of the present disclosure provide techniques for design of channel raster for narrowband operation. One example method, performed by a base station, generally includes determining, based on one or more conditions, an exact frequency location of one channel of one or more channels to perform narrowband communications with a user equipment. The method also includes transmitting an indication of the one or more conditions to the user equipment. The method further includes communicating with the UE, based at least in part on the exact frequency location of the one channel.

公开(公告)号：US20210368466A1

公开(公告)日：2021-11-25

申请号：US17324903

申请日：2021-05-19

Applicant: QUALCOMM Incorporated

Inventor： Seyed Ali Akbar FAKOORIAN ,  Wanshi CHEN ,  Seyedkianoush HOSSEINI ,  Hwan Joon KWON ,  Krishna Kiran MUKKAVILLI

IPC: H04W56/00

Abstract: A method of wireless communications by a receiving sidelink user equipment includes detecting a lite sidelink synchronization signal (SL-SS) transmitted by a transmitting sidelink UE. The lite SL-SS may have a pattern with a reduced number of physical sidelink broadcast channel (PSBCH) symbols. The method also includes transmitting a demand requesting additional SL-SSs from the transmitting sidelink UE on indicated resources. Another method includes receiving a demand for additional sidelink synchronization signals (SL-SSs) from a receiving sidelink UE. This method further includes transmitting the additional SL-SSs in response to the demand.

公开(公告)号：US20210329645A1

公开(公告)日：2021-10-21

申请号：US17230904

申请日：2021-04-14

Applicant: QUALCOMM Incorporated

Inventor： Wei YANG ,  Seyedkianoush HOSSEINI ,  Seyed Ali Akbar FAKOORIAN

IPC: H04W72/04 ,  H04L1/18 ,  H04W24/08

Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for TDRA-based HARQ-ACK feedback generation. In aspects, a UE and a base station may determine that at least one TDRA candidate of a set of TDRA candidates for a PDSCH transmitted from a base station has more than one possible location within a slot. Based on the determination that the at least one TDRA candidate has more than one possible location within the slot, the UE may generate and transmit corresponding HARQ-ACK feedback to the base station, which may decode the HARQ-ACK feedback.

公开(公告)号：US20210274519A1

公开(公告)日：2021-09-02

申请号：US17183559

申请日：2021-02-24

Applicant: QUALCOMM Incorporated

Inventor： Seyed Ali Akbar FAKOORIAN ,  Wei YANG ,  Peter GAAL ,  Seyedkianoush HOSSEINI

IPC: H04W72/12 ,  H04W72/14 ,  H04W72/04 ,  H04L5/00 ,  H04W76/36 ,  H04W24/08

Abstract: Wireless communication devices, systems, and methods related to downlink control information (DCI) monitoring and semi-persistent scheduling (SPS) reception for limited capability devices are provided. For example, a method of wireless communication performed by a user equipment can include receiving, from the base station, a semi-persistent scheduling (SPS) grant, the SPS grant indicating a periodicity; monitoring, in a slot scheduled for a downlink data communication, for an SPS release and the downlink data communication; and transmitting, to the base station, an acknowledgement (ACK) or negative acknowledgment (NACK) based on the monitoring.

公开(公告)号：US20210266116A1

公开(公告)日：2021-08-26

申请号：US17249200

申请日：2021-02-23

Applicant: QUALCOMM Incorporated

Inventor： Seyedkianoush HOSSEINI ,  Wei YANG ,  Seyed Ali Akbar FAKOORIAN

IPC: H04L1/18 ,  H04W72/12 ,  H04W72/04

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a set of parameters for generating a hybrid automatic repeat request (HARQ)-acknowledgement (ACK) codebook associated with a particular downlink control information (DCI) format of a plurality of DCI formats, wherein the particular DCI format is associated with a particular priority of a plurality of priorities; and generate the HARQ-ACK codebook based at least in part on the set of parameters. Numerous other aspects are provided.

公开(公告)号：US20210226734A1

公开(公告)日：2021-07-22

申请号：US16746415

申请日：2020-01-17

Applicant: QUALCOMM Incorporated

Inventor： Seyed Ali Akbar FAKOORIAN ,  Jing SUN ,  Xiaoxia ZHANG ,  Chih-Hao LIU ,  Srinivas YERRAMALLI

IPC: H04L1/18 ,  H04W72/04 ,  H04W72/14

Abstract: A method, an apparatus, a base station, and a user equipment (UE) for wireless communication are provided to reduce the retransmission latency for URLLC communications. Upon receiving a downlink data transmission, a UE waits until it completes decoding of the received downlink data transmission before it can send an ACK/NAK report on the decoded downlink data transmission. In case of a decoding failure, the base station cannot start retransmission until the UE finishes the decoding of the downlink data transmission and sends the ACK/NAK report and until the base station finishes decoding of an NAK in the ACK/NAK report. This considerable retransmission latency may not meet stringent latency requirements of some URLLC applications. A two-stage ACK/NAK reporting is disclosed to reduce the retransmission latency where the UE sends an early ACK/NAK report upon partially completing the decoding of the downlink data transmission.

公开(公告)号：US20210143970A1

公开(公告)日：2021-05-13

申请号：US17090884

申请日：2020-11-05

Applicant: QUALCOMM Incorporated

Inventor： Huilin XU ,  Seyed Ali Akbar FAKOORIAN ,  Wanshi CHEN ,  Peter Pui Lok ANG ,  Tao LUO ,  Juan MONTOJO ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Peter GAAL

IPC: H04L5/00 ,  H04L1/16

Abstract: Wireless communications systems and methods related to communicating a serving cell dormancy indication field and acknowledgement. In some implementations, a wireless communication device (e.g., user equipment), may detect a physical downlink control channel (PDCCH) with a secondary cell (Scell) dormancy indication field. The user equipment can change states from an initial state to another state (e.g., a dormancy-like state to a non-dormancy like state) based on detecting Scell indicator field in the PDCCH. The user equipment may also transmit a hybrid-ARQ acknowledgment (HARQ-ACK) in response to the detecting the PDCCH with the Scell dormancy indication field. Other aspects and features are also claimed and described.

公开(公告)号：US20210135794A1

公开(公告)日：2021-05-06

申请号：US16943098

申请日：2020-07-30

Applicant: QUALCOMM Incorporated

Inventor： Hua WANG ,  Piyush GUPTA ,  Junyi LI ,  Xiaoxia ZHANG ,  Jing SUN ,  Yisheng XUE ,  Seyed Ali Akbar FAKOORIAN

IPC: H04L1/18 ,  H04W24/10 ,  H04L1/00 ,  H04L5/00 ,  H04W72/02

Abstract: Certain aspects of the present disclosure provide techniques for sidelink assisted retransmissions, in which a first UE obtains first data intended for a second UE by decoding a first transmission of the first data targeting the second UE, receives signaling indicating the first UE is to retransmit the first data to the second UE, and retransmits the first data to the second UE, via a sidelink, in response to the signaling.

公开(公告)号：US20210099257A1

公开(公告)日：2021-04-01

申请号：US16948599

申请日：2020-09-24

Applicant: QUALCOMM Incorporated

Inventor： Vinay JOSEPH ,  Rajat PRAKASH ,  Seyed Ali Akbar FAKOORIAN ,  Linhai HE ,  Seyedkianoush HOSSEINI ,  Umesh PHUYAL

IPC: H04L1/18 ,  H04W72/12 ,  H04W72/14 ,  H04W72/04 ,  H04W76/27

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a hybrid automatic repeat request (HARQ) process identifier for a communication between the UE and a base station using a semi-persistent scheduling (SPS) configuration or a configured grant (CG) configuration, wherein the determination of the HARQ process identifier is based at least in part on an offset applied for the determination of the HARQ process identifier; and perform the communication based at least in part on the HARQ process identifier. Numerous other aspects are provided.