公开(公告)号：US20210013941A1

公开(公告)日：2021-01-14

申请号：US16922916

申请日：2020-07-07

Applicant: QUALCOMM Incorporated

Inventor： Jing SUN ,  Ananta Narayanan THYAGARAJAN ,  Xiaoxia ZHANG ,  Kapil BHATTAD ,  Pravjyot Singh DEOGUN

IPC: H04B7/06 ,  H04L5/00 ,  H04W72/14 ,  H04W72/04

Abstract: This disclosure provides systems, methods, and apparatuses for the identification of a channel state information reference signal (CSI-RS) resource. In some aspects, a UE that receives the CSI-RS may determine CSI feedback based at least in part on the CSI-RS after detecting the CSI-RS resource that includes the CSI-RS. Signaling or techniques for when no CSI-RS is detected (such as when the base station fails a channel access operation for all available CSI-RS resources) are also provided. Furthermore, approaches for rate matching for a shared channel around CSI-RS resources or for CSI interference management (CSI-IM) resources are provided, as well as CSI reporting approaches for cases when the UE fails to transmit CSI feedback due to a failed channel access operation, such as a triggered or re-triggered CSI report.

公开(公告)号：US20200374852A1

公开(公告)日：2020-11-26

申请号：US16877834

申请日：2020-05-19

Applicant: QUALCOMM Incorporated

Inventor： Mostafa KHOSHNEVISAN ,  Xiaoxia ZHANG ,  Jing SUN ,  Tao LUO ,  Srinivas YERRAMALLI ,  Kaushik CHAKRABORTY ,  Arumugam CHENDAMARAI KANNAN ,  Sungwoo PARK ,  Wooseok NAM ,  Juan MONTOJO

IPC: H04W72/04

Abstract: Aspects described herein relate to resource block allocation for time domain single-carrier waveform processing in new radio (NR). Specifically, in an aspect, a guard band may be allocated for a single-carrier waveform in a time or frequency domain. In another aspect, a resource block may be allocated for a time domain single-carrier waveform.

公开(公告)号：US20200351940A1

公开(公告)日：2020-11-05

申请号：US16793853

申请日：2020-02-18

Applicant: QUALCOMM Incorporated

Inventor： Pravjyot Singh DEOGUN ,  Kapil BHATTAD ,  Ozcan OZTURK ,  Xiaoxia ZHANG ,  Jing SUN ,  Ananta Narayanan THYAGARAJAN

IPC: H04W74/08 ,  H04W24/10 ,  H04W16/14

Abstract: This disclosure provides systems, methods and apparatuses for listen-before-talk (LBT) failure-based channel congestion measurement and recovery triggering. In one aspect, a user equipment (UE) may determine an LBT metric based on a result of attempting to perform an uplink transmission in connection with an LBT procedure. For example, the UE may determine an absolute quantity of LBT failures, a ratio of unsuccessful uplink transmissions to total uplink transmission attempts, an absolute quantity of LBT successes, or another type of LBT metric. The UE may trigger a recovery action, such as a radio link failure (RLF) recovery action or a bandwidth part switch, based on determining that the LBT metric satisfies a threshold.

公开(公告)号：US20200351934A1

公开(公告)日：2020-11-05

申请号：US16864110

申请日：2020-04-30

Applicant: QUALCOMM Incorporated

Inventor： Mostafa KHOSHNEVISAN ,  Jing SUN ,  Kapil BHATTAD ,  Xiaoxia ZHANG

IPC: H04W72/14 ,  H04L5/00 ,  H04W72/04 ,  H04W72/12 ,  H04W76/27

Abstract: Certain aspects of the present disclosure provide techniques for time-domain resource allocation (TDRA) for multi-transmission time interval (TTI) grants.

公开(公告)号：US20200351916A1

公开(公告)日：2020-11-05

申请号：US16859442

申请日：2020-04-27

Applicant: QUALCOMM Incorporated

Inventor： Mostafa KHOSHNEVISAN ,  Xiaoxia ZHANG ,  Tao LUO ,  Jing SUN ,  Arumugam CHENDAMARAI KANNAN

IPC: H04W72/12 ,  H04W72/02 ,  H04W72/10

Abstract: This disclosure provides systems, methods and apparatuses for uplink channel transmission for multiple transmit receive points (TRPs). In one aspect, a user equipment (UE) resolves overlapping physical uplink control channels (PUCCHs) in a slot or overlapping PUCCH(s) and PUSCH(s) that are mapped to a same TRP in a multi-TRP scenario and that are mapped to two or more different TRPs in the multi-TRP scenario. For example, in a multi-TRP scenario that includes two TRPs, the UE may eliminate overlap of these uplink channels for each of the two TRPs individually and may additionally eliminate overlap of these uplink channels between the two TRPs.

公开(公告)号：US20200314673A1

公开(公告)日：2020-10-01

申请号：US16820381

申请日：2020-03-16

Applicant: QUALCOMM Incorporated

Inventor： Pravjyot Singh DEOGUN ,  Ozcan OZTURK ,  Jing SUN ,  Xiaoxia ZHANG ,  Kapil BHATTAD ,  Ananta Narayanan THYAGARAJAN

IPC: H04W24/08 ,  H04W56/00 ,  H04B17/318

Abstract: Aspects described herein relate to receiving multiple synchronization signal blocks (SSBs) from a target cell over a measurement time window. A repeating beam index for one or more of the multiple SSBs can be identified based at least in part on a determination of a repeat parameter indicating a number of beams in a SSB pattern for the target cell. A beam set of the one or more of the multiple SSBs determined to have the same repeating beam index can be associated. One or more parameters of the one or more of the multiple SSBs of the beam set can be measured and reported.

公开(公告)号：US20200267734A1

公开(公告)日：2020-08-20

申请号：US16786806

申请日：2020-02-10

Applicant: QUALCOMM Incorporated

Inventor： Mostafa KHOSHNEVISAN ,  Xiaoxia ZHANG ,  Jing SUN

IPC: H04W72/04 ,  H04W80/02 ,  H04W76/11

Abstract: Aspects of the present disclosure include methods, apparatuses, and computer readable media for receiving at least one MAC CE including a set of activated TCI IDs associated with a first set of TCI states and excluding a set of deactivated TCI IDs associated with a second set of TCI state, wherein: the set of activated TCI IDs are assigned to a plurality of codepoints which indicates values of the first set of TCI states in DCI, receiving the DCI, and receiving downlink data channel based on at least one or more TCI states of the first set of TCI states assigned to a codepoint of a plurality of codepoints associated with the DCI.

公开(公告)号：US20200266937A1

公开(公告)日：2020-08-20

申请号：US16783983

申请日：2020-02-06

Applicant: QUALCOMM Incorporated

Inventor： Mostafa KHOSHNEVISAN ,  Jing SUN ,  Xiaoxia ZHANG

IPC: H04L1/18 ,  H04W24/08 ,  H04L5/00 ,  H04W72/04

Abstract: This disclosure provides systems, methods and apparatus for wireless communication. In one aspect, a multi-transmit-receive point (TRP) approach for hybrid automatic repeat request (HARD) acknowledgment (ACK) feedback using counter downlink assignment indicators (DAIs) (cDAIs) and total DAIs (tDAIs) is provided. For example, some techniques and apparatuses described herein may provide a joint counting method in which cDAIs and tDAIs are implemented and tracked jointly between the TRPs of a multi-TRP group. This may be useful in the ideal backhaul scenario when the multi-TRP group is jointly scheduled, and may be more robust against errors than a separate counting method. Some techniques and apparatuses described herein may provide a separate counting method, in which cDAIs and tDAIs are implemented and tracked separately by the respective TRPs of a multi-TRP group.

公开(公告)号：US20200252846A1

公开(公告)日：2020-08-06

申请号：US16776276

申请日：2020-01-29

Applicant: QUALCOMM Incorporated

Inventor： Ozcan OZTURK ,  Jing SUN ,  Xiaoxia ZHANG ,  Rajat PRAKASH

IPC: H04W36/08 ,  H04W16/14 ,  H04W36/38 ,  H04W74/08

Abstract: A configuration to enable a UE to obtain access to an unlicensed frequency channel of the unlicensed frequency spectrum in the event of channel access failures. The apparatus receives a configuration from a first base station to perform a conditional handover. The apparatus determines a first unlicensed frequency channel is unavailable for a transmission to the first base station or from the first base station. The apparatus switches from the first unlicensed frequency channel to a second cell for communication through the second cell in the conditional handover upon receiving the configuration and upon determining that the first unlicensed frequency channel is unavailable for the transmission.

公开(公告)号：US20200245368A1

公开(公告)日：2020-07-30

申请号：US16738672

申请日：2020-01-09

Applicant: QUALCOMM Incorporated

Inventor： Sony AKKARAKARAN ,  Xiaoxia ZHANG ,  Tao LUO ,  Jing SUN ,  Muhammad Nazmul ISLAM

IPC: H04W74/08 ,  H04L1/18 ,  H04L1/00

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a transport block that includes one or more code blocks carrying a random access channel (RACH) communication directed to the UE. The transport block may be segmented into the one or more code blocks based at least in part on a segmentation procedure specific to a RACH procedure. The user equipment may decode the one or more code blocks based at least in part on a code block cyclic redundancy check (CRC) associated with the one or more code blocks. Numerous other aspects are provided.