公开(公告)号：US20200235900A1

公开(公告)日：2020-07-23

申请号：US16744548

申请日：2020-01-16

Applicant: QUALCOMM Incorporated

Inventor： Wei YANG ,  Yi HUANG ,  Peter GAAL

IPC: H04L5/10 ,  H04L5/00 ,  H04L27/20 ,  H04J13/00 ,  H04L27/26

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication of a demodulation reference signal (DMRS) port to be used by the UE for transmitting a DMRS communication; determine a base sequence based at least in part on the DMRS port; generate a DMRS sequence for the DMRS port based at least in part on the base sequence; and transmit the DMRS communication including the DMRS sequence via the DMRS port. Numerous other aspects are provided.

公开(公告)号：US20200229168A1

公开(公告)日：2020-07-16

申请号：US16837629

申请日：2020-04-01

Applicant: QUALCOMM Incorporated

Inventor： Wanshi CHEN ,  Hao XU ,  Michael Mao WANG ,  Peter GAAL

IPC: H04W72/04 ,  H04W28/02 ,  H04W24/08 ,  H04W4/70 ,  H04L5/00

Abstract: Aspects of the present disclosure provide techniques that may be applied in systems to allow for communication over a control channel utilizing a relatively narrow band (e.g., six physical resource blocks) based search space. An exemplary method, performed by a user equipment, generally includes identifying, within a subframe, a first search space to monitor for a downlink control channel that occupies a first number of physical resource blocks (PRBs) that represents a narrowband size and monitoring at least the first search space for the downlink control channel transmitted in the subframe.

公开(公告)号：US20200214019A1

公开(公告)日：2020-07-02

申请号：US16816404

申请日：2020-03-12

Applicant: QUALCOMM Incorporated

Inventor： Wanshi CHEN ,  Shimman Arvind Patel ,  Peter GAAL ,  Hao XU ,  Yongbin WEI ,  Madhavan Srinivasan VAJAPEYAM ,  Aleksandar DAMNJANOVIC

IPC: H04W72/10 ,  H04L1/00 ,  H04W72/12 ,  H04W72/04 ,  H04W72/00 ,  H04L5/00

Abstract: Various aspects described herein relate to receiving a first communication over a first set of resources based on a first transmission time interval (TTI), receiving a second communication over a second set of resources based on a second TTI, where the second TTI is smaller than the first TTI, and where the second set of resources overlap the first set of resources defining a common set of resources, and determining whether to prioritize decoding of the first communication over the second communication.

公开(公告)号：US20200145934A1

公开(公告)日：2020-05-07

申请号：US16670884

申请日：2019-10-31

Applicant: QUALCOMM Incorporated

Inventor： Xiao Feng WANG ,  Wanshi CHEN ,  Peter GAAL

IPC: H04W52/36 ,  H04L5/14 ,  H04W72/12

Abstract: An apparatus communicates using a first Radio Access Technology (RAT) and a second RAT. The apparatus receives a first Time Division Duplex Uplink/Downlink (TDD UL/DL) configuration for a first cell using the first RAT. The apparatus also receives a second TDD UL/DL configuration for a second cell using the first RAT. Additionally, the apparatus determines a maximum transmission power for a first transmission using the second RAT based on whether there is a potential overlap between the first transmission using the second RAT and a possible transmission based on the first TDD UL/DL configuration or the second TDD UL/DL configuration during a period of the first transmission or an extended period including the first transmission period.

公开(公告)号：US20200100245A1

公开(公告)日：2020-03-26

申请号：US16698521

申请日：2019-11-27

Applicant: QUALCOMM Incorporated

Inventor： Hao XU ,  Peter GAAL ,  Aleksandar DAMNJANOVIC ,  Wanshi CHEN ,  Yongbin WEI ,  Durga Prasad MALLADI

IPC: H04W72/04 ,  H04W72/12 ,  H04L1/16

Abstract: Certain aspects of the present disclosure provide techniques that may be used to help enable low latency communications between a user equipment (UE) and a base station (BS) using quick uplink channels that enable a reduced transmission time interval (TTI). Additionally, certain aspects of the present disclosure provide techniques for managing communications in a wireless communication system, for example, by using enhanced downlink control channels.

公开(公告)号：US20200076659A1

公开(公告)日：2020-03-05

申请号：US16677389

申请日：2019-11-07

Applicant: QUALCOMM Incorporated

Inventor： Navid ABEDINI ,  Muhammad Nazmul ISLAM ,  Bilal SADIQ ,  Peter GAAL ,  Haitong SUN

IPC: H04L27/26 ,  H04J11/00 ,  H04L5/00 ,  H04W56/00 ,  H04W72/00 ,  H04W72/04

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for generating and communicating reference signals. Certain aspects provide a method for communicating reference signals. The method includes selecting a demodulation reference sequence (DMRS) of a plurality of DMRSs for transmission in a synchronization signal block (SSB) based on a half-frame in which the SSB is transmitted. The method further includes transmitting the selected DMRS in the SSB.

公开(公告)号：US20200076547A1

公开(公告)日：2020-03-05

申请号：US16678910

申请日：2019-11-08

Applicant: Qualcomm Incorporated

Inventor： Renqiu WANG ,  Wanshi CHEN ,  Hao XU ,  Peter GAAL ,  Tao LUO ,  Sony Akkarakaran

IPC: H04L1/18 ,  H04W72/02 ,  H04L5/00 ,  H04B7/06 ,  H04W72/12 ,  H04W72/04 ,  H04L1/12

Abstract: A method and apparatus for enabling an UE to selecting acknowledgement/non-acknowledgement (ACK/NACK) resources from a subset of a gNB resource pool. The example method may receive, from an gNB, a radio resource control (RRC) configuration indicating a UE-specific resource set that is a subset of a gNB resource pool. The UE may determine one or more ACK/NACK resources from the UE-specific resource set for an upcoming physical uplink control channel (PUCCH). In some aspects, the UE may determine the one or more ACK/NACK resources based on receiving, from the gNB, a physical downlink control channel (PDCCH) including a corresponding ACK/NACK resource configuration. In other aspects, the RRC may contain multiple resource subsets and the UE may determine the one or more ACK/NACK resources based on determining a size of a payload for a UCI to be transmitted on the PUCCH. The aspects may thus enable dynamic ACK/NACK resource allocation.

公开(公告)号：US20200067750A1

公开(公告)日：2020-02-27

申请号：US16673452

申请日：2019-11-04

Applicant: QUALCOMM Incorporated

Inventor： Alexandros MANOLAKOS ,  Yang YANG ,  Heechoon LEE ,  Tao LUO ,  Peter GAAL

IPC: H04L27/26 ,  H04B7/06 ,  H04B7/0413 ,  H04B7/0417

Abstract: Aspects herein describe increasing density of reference signal transmissions in wireless communications. A plurality of reference signal configurations, each indicating resource elements for one or more antenna ports over which reference signals for the one or more antenna ports are scheduled for transmission, can be received. An association configuration indicating an association between at least two antenna ports as having similar channel characteristics can also be received. A plurality of reference signals can be received in the resource elements corresponding to the at least two antenna ports as indicated in the at least two of the plurality of reference signal configurations, which can be used to perform a channel measurement of the similar channel characteristics of channels of the at least two antenna ports over at least a portion of the plurality of reference signals.

公开(公告)号：US20200059939A1

公开(公告)日：2020-02-20

申请号：US16543040

申请日：2019-08-16

Applicant: QUALCOMM Incorporated

Inventor： Heechoon LEE ,  Jing SUN ,  Peter GAAL ,  Peter Pui Lok ANG ,  Huilin XU

IPC: H04W72/12

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may select a search space configuration for a scheduled cell of the UE based at least in part on one or more active bandwidth parts of the UE, wherein the UE is associated with a scheduling cell, and wherein the one or more active bandwidth parts are associated with at least one of one or more first bandwidth part configurations of the scheduling cell or one or more second bandwidth part configurations of the scheduled cell; and receive information based at least in part on the search space configuration. Numerous other aspects are provided.

公开(公告)号：US20200059868A1

公开(公告)日：2020-02-20

申请号：US16544819

申请日：2019-08-19

Applicant: QUALCOMM Incorporated

Inventor： Wei YANG ,  Amir AMINZADEH GOHARI ,  Yi HUANG ,  Peter GAAL ,  Chao JIN ,  Amir FARAJIDANA ,  Alexei Yurievitch GOROKHOV ,  Rebecca Wen-ling YUAN ,  Vishal MAHAJAN ,  Tarandeep VIRK ,  Christos KOMNINAKIS

IPC: H04W52/14 ,  H04W74/08 ,  H04W72/04 ,  H04L5/00 ,  H04B1/713

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for maintaining phase coherency in the event of changes to uplink transmit power. For example, the techniques described herein may help mitigate the impact on phase continuity of uplink transmissions by UEs capable of dual connectivity (DC).