公开(公告)号：US20220095225A1

公开(公告)日：2022-03-24

申请号：US17477303

申请日：2021-09-16

Applicant: QUALCOMM Incorporated

Inventor： Yuchul Kim ,  Krishna Kiran Mukkavilli ,  Jay Kumar Sundararajan ,  Hwan Joon Kwon ,  Yeliz Tokgoz ,  Pete Pui Lok Ang ,  Wanshi Chen ,  Huilin Xu ,  Jing Lei ,  Tingfang Ji

IPC: H04W52/02 ,  H04L29/06 ,  H04W28/22 ,  G06F3/01

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may support various extended reality (XR) applications. In some examples of XR applications, features from the real and virtual environments may be overlaid and displayed to a user for consumption via the UE. To avoid visual conflicts, such as misaligning objects from the real and virtual environments, and other visual conflicts, the UE may generate and send pose information to a network (e.g., a server hosting the XR application). The UE may be configured to manage transmission of pose information to the network, which may result in reduced power consumption. For example, the UE may determine a downlink burst occasion for the XR application, generate pose information associated with the UE and the XR application, and transmit the pose information only during the downlink burst occasion.

公开(公告)号：US11284434B2

公开(公告)日：2022-03-22

申请号：US16852222

申请日：2020-04-17

Applicant: QUALCOMM Incorporated

Inventor： Jing Lei ,  Seyong Park

IPC: H04W74/08 ,  H04W74/00 ,  H04W74/02

Abstract: Methods, systems, and devices for wireless communications are described. In some cases, inter-cell interference may occur for one or more random access channel (RACH) transmissions. To mitigate the inter-cell interference, one or more based stations may use inter-cell coordination to exchange configuration information associated with RACH procedures. Accordingly, each base station may select cell-specific RACH configurations to mitigate the inter-cell interference based on the exchanged configuration information and transmit the cell-specific RACH configurations to user equipments (UEs) served by each base station. In some cases, each base station and the corresponding UEs may use the cell-specific RACH configurations for a two-step RACH procedure that includes a first RACH message transmitted from a UE to the base station and a second RACH message transmitted from the base station to the UE. As described herein, the cell-specific RACH configurations may differ by at least one parameter to avoid the inter-cell interference.

公开(公告)号：US20220078855A1

公开(公告)日：2022-03-10

申请号：US17465800

申请日：2021-09-02

Applicant: QUALCOMM Incorporated

Inventor： Yongjun Kwak ,  Jing Lei ,  Huilin Xu ,  Hung Dinh Ly ,  Seyedkianoush Hosseini ,  Yuchul Kim ,  Wanshi Chen ,  Hwan Joon Kwon ,  Krishna Kiran Mukkavilli ,  Tingfang Ji

IPC: H04W74/08 ,  H04W72/04 ,  H04W56/00 ,  H04W24/08 ,  H04L1/18 ,  H04B7/06

Abstract: Methods, systems, and devices for wireless communications are described. Generally, a user equipment (UE) may monitor synchronization signal resources, each synchronization signal resources associated with a beam, and may select a preferred beam based on the monitoring. The UE may transmit an uplink random access message (e.g., message 3 of a four-step random access message, message A of a two-step random access procedure, or a negative acknowledgement (NACK) message requesting retransmission of a random access message) including beam information (e.g., one or more beam indices, channel quality information, or channel state information) to a base station. In response, the base station may transmit a downlink random access message using a different beam (e.g., a new preferred beam). The UE may establish a connection with the base station based on the completed random access procedure.

公开(公告)号：US20220078852A1

公开(公告)日：2022-03-10

申请号：US17465602

申请日：2021-09-02

Applicant: QUALCOMM Incorporated

Inventor： Yongjun Kwak ,  Wanshi Chen ,  Hung Dinh Ly ,  Jing Lei ,  Huilin Xu ,  Seyedkianoush Hosseini ,  Yuchul Kim ,  Hwan Joon Kwon ,  Krishna Kiran Mukkavilli ,  Tingfang Ji

IPC: H04W74/08 ,  H04W76/10 ,  H04W24/08

Abstract: Methods, systems, and devices for wireless communications are described. Generally, a user equipment (UE) may monitor multiple synchronization signal resources, each synchronization signal resource associated with a beam of a set of beams and may determine that multiple candidate beams of the set of beams satisfy a channel quality threshold. The UE may transmit an indication that the multiple candidate beams satisfy the channel quality threshold. For example, the UE may transmit a single random access message on a physical random access channel (PRACH) resource associated with multiple candidate beams, or may transmit multiple random access messages, each one on a different PRACH resource associated with a different candidate beam. The UE may receive an indication of one of the candidate beams from the base station and may establish a connection with the base station using the indicated candidate beam.

公开(公告)号：US11265909B2

公开(公告)日：2022-03-01

申请号：US16701887

申请日：2019-12-03

Applicant: QUALCOMM Incorporated

Inventor： Linhai He ,  Jing Lei ,  Gavin Bernard Horn

IPC: H04W72/14 ,  H04W72/12 ,  H04W76/10 ,  H04W48/10 ,  H04W76/30 ,  H04W52/02

Abstract: Certain aspects of the present disclosure provide techniques and apparatus for dynamic switching between non-codebook based and codebook based uplink transmission schemes. An exemplary method that may be performed by a user equipment (UE) generally includes obtaining, from a base station (BS), parameters and a grant of transmission resources for asynchronous non-orthogonal multiple access (A-NOMA) transmissions; obtaining data for transmission to the BS; and transmitting the data in an A-NOMA transmission via the transmission resources according to the parameters while the UE is in a radio resource control (RRC) Inactive mode.

公开(公告)号：US11259252B2

公开(公告)日：2022-02-22

申请号：US16515941

申请日：2019-07-18

Applicant: QUALCOMM Incorporated

Inventor： Jing Lei ,  Tingfang Ji ,  Peter Gaal ,  Xiao Feng Wang ,  Joseph Binamira Soriaga ,  Seyong Park ,  Gabi Sarkis ,  Wanshi Chen ,  Naga Bhushan ,  Ying Wang ,  Jay Kumar Sundararajan

IPC: H04W52/24 ,  H04W52/36 ,  H04W52/10 ,  H04W72/04 ,  H04W74/08 ,  H04W72/14 ,  H04W24/08 ,  H04L5/00

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine at least one of a downlink path loss value or an uplink path loss value associated with a base station; receive system information, a semi-persistently configured grant via RRC or a dynamic uplink grant via DCI from the base station, wherein the RRC signaling or the dynamic uplink grant identifies a power control value associated with one user or a plurality of users associated with the base station; and determine a transmit power for a data or control transmission based at least in part on at least one of the downlink path loss value or the uplink path loss value and the power control value. Numerous other aspects are provided.

公开(公告)号：US11057051B2

公开(公告)日：2021-07-06

申请号：US16538451

申请日：2019-08-12

Applicant: QUALCOMM Incorporated

Inventor： Ying Wang ,  Jing Jiang ,  Wei Yang ,  Gabi Sarkis ,  Jing Lei ,  Seyong Park

IPC: H03M13/13 ,  H03M13/00 ,  H04L1/00 ,  H03M13/25

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may construct, for adjusted fractally enhanced kernel (FRANK) polar coding, encoding code for encoding data of an ultra-reliable low latency (URLLC) communication, wherein an information bit assignment to an information bit set associated with the encoding code is performed based at least in part on an adjusted dimensionality factor, wherein the encoding code is all-stage FRANK polar code or partial-stage FRANK polar code, and wherein the encoding code is constructed for code block shortening or code block puncturing. In some aspects, the user equipment may transmit the URLLC communication encoded using the encoding code based at least in part on the information bit assignment to the information bit set. Numerous other aspects are provided.

公开(公告)号：US20210120594A1

公开(公告)日：2021-04-22

申请号：US17069584

申请日：2020-10-13

Applicant: QUALCOMM Incorporated

Inventor： Jing Lei ,  Huilin Xu ,  Yuanning Yu ,  Hongsan Sheng ,  Enoch Shiao-Kuang Lu ,  Subramanya Rao ,  Omar Mehanna ,  Linhai He ,  Wanshi Chen

IPC: H04W74/08 ,  H04W72/04

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive configuration information that indicates a transmission parameter associated with a random access response (RAR) type; transmit a random access message associated with the RAR type; use the transmission parameter to obtain a physical downlink control channel (PDCCH) communication that schedules a physical downlink shared channel (PDSCH) communication that includes a RAR in a medium access control protocol data unit of the PDSCH communication; and obtain or refraining from obtaining the PDSCH communication based at least in part on whether the PDCCH communication is successfully obtained using the transmission parameter. Numerous other aspects are provided.

公开(公告)号：US20210051729A1

公开(公告)日：2021-02-18

申请号：US16987185

申请日：2020-08-06

Applicant: QUALCOMM Incorporated

Inventor： Jing Lei ,  Huilin Xu ,  Linhai He

IPC: H04W74/08 ,  H04W72/04 ,  H04L5/00 ,  H04W4/06 ,  H04L1/00

Abstract: Wireless communication devices, systems, and methods related to mechanisms to implement improved RAR decoding performance and resource utilization efficiency in a RACH procedure. A PDCCH with common search space encodes a DCI with configuration information that schedules separate PDSCHs for different UEs/UE groups. When sending a RAR message, the PDCCH includes a DCI with a configuration field to signal multiple DMRS resources with corresponding PDSCH. Each sub-field of the configuration field may include one or multiple bits. When one bit per sub-field, the bit is a flag that when asserted leads the UE to blind decode the PDSCH associated with that DMRS resource. When multiple bits, it includes a flag field as well as one or more bits that include least significant bits of a UE identifier (or group identifier). The UE locates its identifier (or group identifier), and limits decoding to that PDSCH with corresponding DMRS resource.

公开(公告)号：US10833826B2

公开(公告)日：2020-11-10

申请号：US16272407

申请日：2019-02-11

Applicant: QUALCOMM Incorporated

Inventor： Jing Lei ,  Peter Gaal ,  Hao Xu ,  Wanshi Chen ,  Yongbin Wei ,  Xiaofeng Wang ,  Renqiu Wang ,  Seyed Ali Akbar Fakoorian ,  Madhavan Srinivasan Vajapeyam ,  Alberto Rico Alvarino ,  Juan Montojo

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

Abstract: Aspects of the present disclosure provide techniques for design of synchronization signals for narrowband operation, which can be used for stand-alone/in-band/guard-band deployment. An example method is provided for operations which may be performed by a base station (BS). The example method generally includes generating a primary synchronization signal (PSS) utilizing a first code sequence and a cover code applied to the first code sequence over a first number of symbols within one or more subframes, generating a secondary synchronization signal (SSS) based on a second code sequence over a second number of symbols within one or more subframes, and transmitting the PSS and the SSS in the first and second subframes to a first type of a user equipment (UE) that communicates on one or more narrowband regions of wider system bandwidth.