公开(公告)号：US20210352695A1

公开(公告)日：2021-11-11

申请号：US17272024

申请日：2019-09-21

Applicant: QUALCOMM Incorporated

Inventor： Qiaoyu LI ,  Chao WEI ,  Yu ZHANG ,  Liangming WU ,  Hao XU ,  Wanshi CHEN

IPC: H04W72/12

Abstract: Certain aspects of the present disclosure provide techniques for indicating a preemption of resources impacting a joint transmission from multiple transmitting entities to a user equipment. The transmitting entities may be associated with a virtual cell ID or a demodulation reference signal (DMRS) port group ID.

公开(公告)号：US20210351827A1

公开(公告)日：2021-11-11

申请号：US17276765

申请日：2018-10-16

Applicant: Chenxi HAO ,  Yu ZHANG ,  Bo CHEN ,  Ruifeng MA ,  Pavan Kumar VITTHALADEVUNI ,  Wanshi CHEN ,  Qiaoyu LI ,  Liangming WU ,  QUALCOMM Incorporated

Inventor： Chenxi HAO ,  Yu ZHANG ,  Bo CHEN ,  Ruifeng MA ,  Pavan Kumar VITTHALADEVUNI ,  Wanshi CHEN ,  Qiaoyu LI ,  Liangming WU

IPC: H04B7/06 ,  H04B7/0456 ,  H04L25/02 ,  H04L5/00

Abstract: Certain aspects of the present disclosure provide techniques for uplink sounding reference signal (SRS) transmission with precoding. A method for wireless communication by a user equipment (UE) includes receiving a SRS configuration that configures one or more SRS resource sets, each resource set including one or more SRS resources, each SRS resource comprising one or more SRS ports. The UE receives a set of precoders via an indicator, the set of precoders including a precoder associated with each SRS resource and determines one or more precoders to apply for one or more SRS transmissions via one or more of the SRS resources.

公开(公告)号：US20210281448A1

公开(公告)日：2021-09-09

申请号：US17259207

申请日：2019-07-23

Applicant: Qiaoyu LI ,  Yu ZHANG ,  Chao WEI ,  Chenxi HAO ,  Liangming WU ,  Hao XU ,  Qualcomm Incorporated

Inventor： Qiaoyu LI ,  Yu ZHANG ,  Chao WEI ,  Chenxi HAO ,  Liangming WU ,  Hao XU

IPC: H04L25/02 ,  H04B7/0404 ,  H04B7/0456 ,  H04L5/00 ,  H04W8/24 ,  H04W72/04

Abstract: A base station may determine co-phase information and uplink precoding information (e.g., user equipment (UE) precoder information) based on one or more received sounding reference signals (SRSs) from a UE. The UE may adjust precoders or co-phase for different SRS transmissions over the one or more configured SRS resources. As such, the base station may indicate either co-phase information or uplink precoding information via an SRS resource indicator (SRI), and may transmit an explicit indication of the remaining co-phase information or uplink precoding information in addition to the SRI. In other examples (e.g., when only a single SRS resource is configured), the base station may transmit an index corresponding to uplink precoding information, as well as a separate indication of co-phase information. In some cases, a port selection pattern may be included with an explicit indication, indicating a selection of antenna port indices the precoder or co-phase index applies to.

公开(公告)号：US20210234639A1

公开(公告)日：2021-07-29

申请号：US17054917

申请日：2019-05-28

Applicant: Kai CHEN ,  Jian LI ,  Changlong XU ,  Liangming WU ,  Hao XU ,  Qualcomm incorporated

Inventor： Kai CHEN ,  Jian LI ,  Changlong XU ,  Liangming WU ,  Hao XU

IPC: H04L1/18 ,  H04L1/00 ,  H04L5/00

Abstract: A device may identify that an incremental redundancy hybrid automatic repeat request (IR-HARQ) scheme is used in association with sequential transmissions of an information bit vector to or from another wireless device, where each transmission in the scheme is associated with a resource size. The device may identify a mother code length for a polar code based at least in part on an aggregate resource size associated with the sequential transmissions. The device may identify an adjusted bit index set for the polar code based at least in part on the IR-HARQ scheme. The device may transmit (or receive), for each transmission of the information bit vector, a respective subset of encoded bits generated by mapping the information bit vector to a set of polarized bit channels of the polar code in accordance with the bit index set.

公开(公告)号：US20210195597A1

公开(公告)日：2021-06-24

申请号：US16768677

申请日：2018-11-05

Applicant: Liangming WU ,  Yu ZHANG ,  Chao WEI ,  Chenxi HAO ,  Joseph Binamira SORIAGA ,  Amir AMINZADEH GOHARI ,  QUALCOMM Incorporated

Inventor： Liangming WU ,  Yu ZHANG ,  Chao WEI ,  Chenxi HAO ,  Joseph Binamira SORIAGA ,  Amir AMINZADEH GOHARI

IPC: H04W72/04 ,  H04L1/00 ,  H04B7/06 ,  H04L5/00

Abstract: Certain aspects of the present disclosure relate to methods and apparatus relating to multiplexing UCI with data in a physical uplink shared channel (PUSCH) transmission.

公开(公告)号：US20210105089A1

公开(公告)日：2021-04-08

申请号：US15733499

申请日：2019-01-17

Applicant: Kai CHEN ,  Liangming WU ,  Changlong XU ,  Jian UI ,  Hao XU ,  QUALCOMM Incorporated

Inventor： Kai CHEN ,  Liangming WU ,  Changlong XU ,  Jian LI ,  Hao XU

IPC: H04L1/00 ,  H04L1/18

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may perform a first polar code encoding process on a first transmission of a hybrid automatic repeat request (HARQ) process; generate a second transmission of the HARQ process by relocating a portion of bits in less reliable positions of the first transmission to more reliable positions of the second transmission of the HARQ process, wherein the less reliable positions and the more reliable positions are evaluated based at least in part on a channel transform, wherein the channel transform is based at least in part on the first transmission, the second transmission, the first polar encoding process and a second polar encoding process associated with the second transmission; and transmit the second transmission of the HARQ process. Numerous other aspects are provided.

公开(公告)号：US20200296742A1

公开(公告)日：2020-09-17

申请号：US16768102

申请日：2018-11-28

Applicant: Chenxi HAO ,  Yu ZHANG ,  Yi HUANG ,  Liangming WU ,  Wanshi CHEN ,  Alexandros MANOLAKOS ,  QUALCOMM Incorporated

Inventor： Chenxi HAO ,  Yu ZHANG ,  Yi HUANG ,  Liangming WU ,  Wanshi CHEN ,  Alexandros MANOLAKOS

IPC: H04W72/12 ,  H04W72/04 ,  H04W72/06 ,  H04L1/00 ,  H04W76/27 ,  H04W80/02 ,  H04L5/10 ,  H04L5/00 ,  H04L25/02 ,  H04B7/06

Abstract: Certain aspects of the present disclosure relate to methods and apparatus relating to UCI layer mapping. According to certain aspects, a mapping rule maps UCI to one or more layers of a physical uplink shared channel (PUSCH) transmission based on at least one of a rank of the PUSCH transmission or a modulation and coding scheme (MCS) of the PUSCH transmission.

公开(公告)号：US20200092749A1

公开(公告)日：2020-03-19

申请号：US16467882

申请日：2017-12-15

Applicant: QUALCOMM Incorporated

Inventor： Liangming WU ,  Chao WEI ,  Yu ZHANG

IPC: H04W28/06 ,  H04W72/04 ,  H04B7/06

Abstract: Methods and apparatus for implementing enhancements to advanced Channel State Information (CSI) reporting procedures are provided. A User Equipment (UE) receives at least one trigger message for reporting advanced CSI by the UE, and takes one or more actions to reduce at least one of feedback overhead or processing at the UE associated with the reporting.

公开(公告)号：US20180278315A1

公开(公告)日：2018-09-27

申请号：US15928326

申请日：2018-03-22

Applicant: QUALCOMM Incorporated

Inventor： Liangming WU ,  Yu ZHANG

IPC: H04B7/06 ,  H04B7/0456

CPC classification number: H04B7/0626 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0632 ,  H04B7/0645

Abstract: Techniques and apparatus for differential channel state information (CSI) reporting for high resolution CSI are provided. One technique includes receiving a CSI reference signal (CSI-RS). First feedback components associated with first CSI feedback for a first CSI feedback stage are determined based on the CSI-RS, and the first feedback components are reported to a base station. Second feedback components associated with at least one second CSI feedback for at least one second CSI feedback stage are determined based in part on the first feedback components, and the second feedback components are reported to the base station. A precoding for multiple input multiple output (MIMO) communications is determined based on the first feedback components and the second feedback components.

公开(公告)号：US20250080177A1

公开(公告)日：2025-03-06

申请号：US18949792

申请日：2024-11-15

Applicant: QUALCOMM Incorporated

Inventor： Min HUANG ,  Yu ZHANG ,  Chao WEI ,  Qiaoyu LI ,  Yuwei REN ,  Liangming WU ,  Chenxi HAO ,  Wanshi CHEN ,  Hao XU

IPC: H04B7/0456 ,  H04L5/00 ,  H04L5/14

Abstract: Methods, systems, and devices for wireless communications are described for enabling a network equipment to reduce interference for downlink (DL) transmissions to a first device by determining a transmit precoding matrix indicator (TPMI) for uplink (UL) transmissions transmitted by a second device based on feedback from the first device. The first device may determine a subset of possible TPMIs that the second device may use for UL transmissions for full-duplex communications. The first device may indicate the subset to the network equipment. Based on the subset indicated by the first device, the network equipment may determine a pairing of the first device and the second device for full-duplex communications. Additionally, the network equipment may determine a TPMI for the second device to use in UL transmissions and indicate the TPMI to the second device.