公开(公告)号：US20200228184A1

公开(公告)日：2020-07-16

申请号：US16737697

申请日：2020-01-08

Applicant: QUALCOMM Incorporated

Inventor： Kiran VENUGOPAL ,  Jung Ho RYU ,  Makesh Pravin JOHN WILSON ,  Tao LUO ,  Tianyang BAI

IPC: H04B7/06 ,  H04W76/11 ,  H04L5/00 ,  H04W24/10 ,  H04W72/04 ,  H04W72/14 ,  H04W80/02 ,  H04W74/08

Abstract: Certain aspects of the present disclosure provide techniques and apparatus for radio link recovery procedure enhancements in wireless communication systems. In some cases, radio link recovery may be enhanced (e.g., sped up and network congestion reduced) by allowing a user equipment (UE) to use an additional secondary cell (SCell) serving the UE to assist in beam recovery when a layer one (L1) event is detected on a primary cell (PCell) or primary secondary cell (PSCell) of the UE.

公开(公告)号：US20200228168A1

公开(公告)日：2020-07-16

申请号：US16737656

申请日：2020-01-08

Applicant: QUALCOMM Incorporated

Inventor： Jung Ho RYU ,  Kiran VENUGOPAL ,  Makesh Pravin JOHN WILSON ,  Tianyang BAI ,  Tao LUO

IPC: H04B7/0408 ,  H04B7/06

Abstract: Aspects of the present disclosure include methods, apparatuses, and computer readable media for receiving a plurality of beams from a base station (BS), measuring a value of a parameter associated with each of the plurality of beams, generating a report including at least the values of the parameter associated with the plurality of beams and/or an indication to implement soft-combining, transmitting the report to the BS, in response to transmitting the report: receiving a first beam including first redundant information and a second beam including second redundant information, and generating combined information based on the first redundant information and the second redundant information.

公开(公告)号：US20200220609A1

公开(公告)日：2020-07-09

申请号：US16796480

申请日：2020-02-20

Applicant: QUALCOMM Incorporated

Inventor： Kiran VENUGOPAL ,  Jung Ho RYU ,  Makesh Pravin JOHN WILSON ,  Tao LUO

IPC: H04B7/08 ,  H04W36/36 ,  H04W72/08 ,  H04W72/04 ,  H04W48/12 ,  H04W24/10 ,  H04W36/06 ,  H04W36/30 ,  H04W76/19

Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, to cell recovery techniques. One example method generally includes receiving, at a user-equipment (UE), at least one pilot signal via a secondary cell, receive, via a primary cell, a first message triggering reporting of at least one preferred beam for communication via the secondary cell, determining the preferred beam based on the at least one pilot signal, transmitting, via the primary cell, a report indicating the at least one preferred beam, and communicating data via the secondary cell and via the preferred beam.

公开(公告)号：US20200220608A1

公开(公告)日：2020-07-09

申请号：US16727678

申请日：2019-12-26

Applicant: QUALCOMM Incorporated

Inventor： Kiran VENUGOPAL ,  Jung Ho RYU ,  Makesh Pravin JOHN WILSON ,  Tao LUO

IPC: H04B7/08 ,  H04W24/10 ,  H04W76/19 ,  H04W36/36 ,  H04W36/30 ,  H04W36/06 ,  H04W72/04 ,  H04W72/08 ,  H04W48/12

Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, to cell recovery techniques. One example method generally includes receiving, at a user-equipment (UE), at least one pilot signal via a secondary cell, receive, via a primary cell, a first message triggering reporting of at least one preferred beam for communication via the secondary cell, determining the preferred beam based on the at least one pilot signal, transmitting, via the primary cell, a report indicating the at least one preferred beam, and communicating data via the secondary cell and via the preferred beam.

公开(公告)号：US20200220592A1

公开(公告)日：2020-07-09

申请号：US16736091

申请日：2020-01-07

Applicant: QUALCOMM Incorporated

Inventor： Jung Ho RYU ,  Kiran VENUGOPAL ,  Makesh Pravin JOHN WILSON ,  Tianyang BAI ,  Tao LUO

IPC: H04B7/0456 ,  H04B7/06 ,  H04B7/0404 ,  H04L5/00 ,  H04W72/04

Abstract: Certain aspects of the present disclosure provide techniques for precoding for multi-panel uplink transmission. For codebook-based uplink transmission, a user equipment (UE) can determine one or more preferred or selected precoders for uplink transmission. The precoders can be from an expanded UE codebook that maps a first number of transmit layers at the UE to a second number of antenna ports at the UE, the layers and/or antenna ports associated with multiple uplink transmit panels at the UE. The UE sends an indication to a base station (BS) of the determined precoders and/or sends an uplink transmission using the determined precoders. For non-codebook based uplink transmission the UE receives first and second reference signals (RSs), from first and second ports of a BS, with first and second UE antenna panels. The UE computes precoders to use for uplink transmission based on the RSs.

公开(公告)号：US20200220585A1

公开(公告)日：2020-07-09

申请号：US16736003

申请日：2020-01-07

Applicant: QUALCOMM Incorporated

Inventor： Makesh Pravin JOHN WILSON ,  Tao LUO ,  Jung Ho RYU ,  Kiran VENUGOPAL

IPC: H04B7/0417 ,  H04L25/02 ,  H04L5/00 ,  H04B7/06 ,  H04B7/0456

Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, to channel state operations using full-duplex communication. One example method generally includes receiving at least one channel state information-reference signal (CSI-RS) from a base station, transmitting at least one sounding reference signal (SRS) to the base station, wherein the CSI-RS is received simultaneously with the transmission of the at least one SRS, and transmitting, to the base station, at least one channel state feedback message comprising channel state information based on the at least one CSI-RS.

公开(公告)号：US20200059283A1

公开(公告)日：2020-02-20

申请号：US16506752

申请日：2019-07-09

Applicant: QUALCOMM Incorporated

Inventor： Kiran VENUGOPAL ,  Makesh Pravin JOHN WILSON ,  Tianyang BAI ,  Jung Ho RYU ,  Tao LUO ,  Xiaoxia ZHANG

IPC: H04B7/06 ,  H04W72/04 ,  H04W72/06 ,  H04B7/08

Abstract: Aspects described herein relate to indicating, to a base station, to use a separate uplink beam that is different from a downlink beam in transmitting uplink communications, and transmitting uplink communications to the base station based on the separate uplink beam. Additional aspects can relate to performing beam failure detection for the separate uplink and downlink beams.

公开(公告)号：US20200044720A1

公开(公告)日：2020-02-06

申请号：US16258144

申请日：2019-01-25

Applicant: QUALCOMM Incorporated

Inventor： Kiran VENUGOPAL ,  Makesh Pravin JOHN WILSON ,  Wooseok NAM ,  Tianyang BAI ,  Tao LUO ,  Xiaoxia ZHANG

IPC: H04B7/06 ,  H04W24/10 ,  H04W72/04

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine that the UE has data to transmit. The user equipment may transmit, to a base station (BS) and based at least in part on determining that the UE has the data to transmit, a plurality of communications on a plurality of uplink beams to trigger the BS to perform beam measurements for the uplink beams. The user equipment may receive information that identifies a subset of the plurality of uplink beams to be used for an uplink data transmission based at least in part on transmitting the communications. The user equipment may transmit the uplink data transmission on the subset of the uplink beams based at least in part on receiving the information that identifies the subset of the uplink beams. Numerous other aspects are provided.

公开(公告)号：US20200028652A1

公开(公告)日：2020-01-23

申请号：US16421110

申请日：2019-05-23

Applicant: QUALCOMM Incorporated

Inventor： Tianyang BAI ,  Makesh Pravin JOHN WILSON ,  Kiran VENUGOPAL ,  Jung Ho RYU ,  Xiaoxia ZHANG ,  Yan ZHOU ,  Tao LUO

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

Abstract: In multi-beam communication, the UE may assist in the scheduling of beams utilized during the multi-beam communication by improving the manner in which the quality of the beam is reported to the network. The apparatus may measure a signal received from a base station on at least one beam. The apparatus may detect a triggering event for providing CSI for the at least one beam. The apparatus may transmit an uplink transmission comprising a CSI report in response to detecting the triggering event. The apparatus may receive an uplink request from a UE for providing CSI for at least one beam. The apparatus may transmit an indication scheduling a CSI report in response to the uplink request. The apparatus may receive an uplink transmission from the UE comprising the CSI report for the at least one beam.

公开(公告)号：US20200007208A1

公开(公告)日：2020-01-02

申请号：US16453251

申请日：2019-06-26

Applicant: QUALCOMM Incorporated

Inventor： Yan ZHOU ,  Makesh Pravin JOHN WILSON ,  Tao LUO ,  Kiran VENUGOPAL ,  Tianyang BAI

IPC: H04B7/06

Abstract: Certain aspects of the present disclosure provide techniques for transmitting simultaneous multi-beams on the same wireless resource. One example method includes determining a set of transmission (TX) beams for simultaneous transmissions to or from a user equipment (UE), signaling to the UE an indication of the TX beams, and transmitting simultaneously via the TX beams.