公开(公告)号：US20240154751A1

公开(公告)日：2024-05-09

申请号：US18415292

申请日：2024-01-17

Applicant: QUALCOMM Incorporated

Inventor： Shijun WU ,  Kapil GULATI

IPC: H04L5/00 ,  H04W4/029 ,  H04W72/21

CPC classification number: H04L5/0048 ,  H04W4/029 ,  H04W72/21

Abstract: Disclosed are techniques for wireless communication. In an aspect, a UE transmits, to a base station, a sidelink positioning reference signal (PRS) indication. The base station transmits, to the UE, a resource grant associated with communication of at least a sidelink PRS for transmission by the UE for a sidelink position estimation procedure. The UE transmits the first sidelink PRS in accordance with the resource grant.

公开(公告)号：US20240292403A1

公开(公告)日：2024-08-29

申请号：US18655002

申请日：2024-05-03

Applicant: QUALCOMM Incorporated

Inventor： Arjun BHARADWAJ ,  Tien Viet NGUYEN ,  Sudhir Kumar BAGHEL ,  Kapil GULATI ,  Shijun WU

IPC: H04W72/12 ,  H04L5/00 ,  H04W72/20

CPC classification number: H04W72/12 ,  H04L5/0048 ,  H04W72/20

Abstract: Methods, systems, and devices for wireless communications are described in which a transmitting user equipment (UE) may determine a data packet to transmit to another UE and determine a set of candidate resources for transmission of the data packet based on a set of time-frequency resources that are allocated for UE-to-UE communications. A resource reservation signal (RRS) may be transmitted to indicate to other UEs that the set of candidate resources have been reserved by a UE. The RRS may be transmitted such that the RRS may be differentiated from other regular transmissions based at least in part on information provided by a control channel associated with the RRS or a payload of a transmission that includes the RRS. The RRS may indicate one or more of a size of an allocation of the resources and multiple locations of the resources within a time-frequency resource pool.

公开(公告)号：US20250031201A1

公开(公告)日：2025-01-23

申请号：US18714754

申请日：2022-01-19

Applicant: QUALCOMM Incorporated

Inventor： Sourjya DUTTA ,  Tien Viet NGUYEN ,  Shijun WU ,  Hui GUO ,  Gabi SARKIS ,  Kapil GULATI ,  Arthur GUBESKYS

IPC: H04W72/12 ,  H04W72/02 ,  H04W72/25 ,  H04W72/40 ,  H04W88/06

Abstract: Methods, systems, and devices for wireless communications are described. A first user equipment (UE) and a base station may establish communications using a first radio access technology (RAT). The first UE may receive control signaling indicating a configuration for a coexistence of resources between the first RAT and a second RAT, the coexistence of resources indicating an initial quantity of UEs in a system that use the first RAT or the second RAT. During a measurement period, the first UE may measure a control channel (e.g., a sidelink control channel) of the second RAT and determine an initial partition of the resources. The initial partition of the resources may indicate a quantity of resources to be used for transmissions by the first UE and the second UE. For example, a first group of the initial partition of the resources may be associated with the second RAT.

公开(公告)号：US20240389036A1

公开(公告)日：2024-11-21

申请号：US18318451

申请日：2023-05-16

Applicant: QUALCOMM Incorporated

Inventor： Anantharaman BALASUBRAMANIAN ,  Shijun WU

IPC: H04W56/00 ,  H04W24/10

Abstract: A group of user equipment (UEs) for sidelink communications includes a master UE and member UEs. Any of the UE may measure one or more sidelink synchronization signal sources during a configured measurement gap within the sidelink communications with the group of UEs. A member UE may transmit an alternative synchronization source report indicating detected synchronization sources to the master UE. The master UE is configured to determine to change from a first synchronization source to a second synchronization source for sidelink communications with a group of UEs. The master UE is configured to transmit, to the group of UEs, timing assistance information for synchronization with the second synchronization source. The UEs are configured to switch sidelink communications with the group of UEs to the second synchronization source.

公开(公告)号：US20240349327A1

公开(公告)日：2024-10-17

申请号：US18291738

申请日：2021-09-06

Applicant: QUALCOMM Incorporated

Inventor： Hui GUO ,  Tien Viet NGUYEN ,  Kapil GULATI ,  Shijun WU ,  Gabi SARKIS ,  Sourjya DUTTA

IPC: H04W72/566 ,  H04L1/1829 ,  H04W72/25

CPC classification number: H04W72/566 ,  H04L1/1854 ,  H04W72/25

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from multiple UEs including a second UE, multiple sidelink control informations (SCIs). The UE may select, from multiple resource conflict indications derived from the multiple SCIs, a resource conflict indication based at least in part on a priority scheme. The UE may transmit, to at least one of the multiple UEs including the second UE, the resource conflict indication in accordance with a transmission power level. Numerous other aspects are described.

公开(公告)号：US20240284482A1

公开(公告)日：2024-08-22

申请号：US18574252

申请日：2021-08-18

Applicant: QUALCOMM Incorporated

Inventor： Sourjya DUTTA ,  Tien Viet NGUYEN ,  Gabi SARKIS ,  Kapil GULATI ,  Shijun WU ,  Hui GUO

IPC: H04W72/25 ,  H04W28/26 ,  H04W72/02 ,  H04W72/0446

CPC classification number: H04W72/25 ,  H04W28/26 ,  H04W72/02 ,  H04W72/0446

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, on one or more sidelink channels, a set of messages indicating a corresponding set of resource reservations. Accordingly, the first UE may transmit, to a second UE, a resource information message that indicates a subset of the set of resource reservations. The first UE may select the subset, from the set of resource reservations, using a time window, a maximum quantity of resource reservations, a retransmission threshold, a hop count threshold, a resource/subchannel threshold, or a combination thereof.

公开(公告)号：US20250150997A1

公开(公告)日：2025-05-08

申请号：US18838051

申请日：2022-05-05

Applicant: QUALCOMM Incorporated

Inventor： Hui GUO ,  Tien Viet NGUYEN ,  Kapil GULATI ,  Shijun WU ,  Gabi SARKIS

IPC: H04W56/00

Abstract: Methods, systems, and devices for wireless communications are described. A first device may activate an independent synchronization source mode based on one or more conditions associated with the first device. The independent synchronization source mode may correspond to the first device operating as reference for synchronization. The first device may transmit one or more synchronization signals indicating a device type of the first device and indicating that the first device is operating as the reference for synchronization. For example, the first device may select one or more bits or an identifier corresponding to the device type to include in the one or more synchronization signals. A second device receiving the one or more synchronization signals may select the first device as a reference for synchronization based on the device type. The second device may synchronize with the first device using the synchronization signal.

公开(公告)号：US20250142496A1

公开(公告)日：2025-05-01

申请号：US18837845

申请日：2022-04-19

Applicant: QUALCOMM INCORPORATED

Inventor： Tien Viet NGUYEN ,  Kapil GULATI ,  Shijun WU ,  Hui GUO ,  Shailesh PATIL ,  Gene Wesley MARSH

IPC: H04W56/00 ,  H04L5/00

Abstract: Some aspects described herein relate configuring resources in one or more slots for communicating a sidelink synchronization signal (SLSS) while maintaining a logical numbering of multiple consecutive slots including the one or more slots. Based on configuring the at least one slot a SLSS can be received from a node or transmitted to one or more nodes during at least one slot of the one or more slots.

公开(公告)号：US20250097758A1

公开(公告)日：2025-03-20

申请号：US18471272

申请日：2023-09-20

Applicant: QUALCOMM Incorporated

Inventor： Shijun WU

IPC: H04W28/02 ,  H04W28/18

Abstract: Methods, systems, and devices for reducing user equipment (UE measurement overhead by using an external source are described. A UE or a network may be capable of obtaining location-specific cell coverage information from an external source (such as a coverage map or a database). The network may use the coverage information to configure a measurement gap for the UE. For example, the UE may be located in a cell with relatively high coverage quality compared to that of a neighboring cell, according to the external source. Based on the relative coverage quality, the network may reduce the periodicity of the UE measurements, change the measurement gap to be aperiodic, or configure the UE to refrain from measuring.

公开(公告)号：US20240348371A1

公开(公告)日：2024-10-17

申请号：US18292682

申请日：2021-09-28

Applicant: QUALCOMM Incorporated

Inventor： Hui GUO ,  Tien Viet NGUYEN ,  Sourjya DUTTA ,  Shijun WU ,  Gabi SARKIS ,  Kapil GULATI

IPC: H04L1/16 ,  H04W72/02 ,  H04W92/18

CPC classification number: H04L1/16 ,  H04W72/02 ,  H04W92/18

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, via sidelink communication, an inter-UE coordination request message requesting coordination information associated with selecting a first resource for transmitting data. The UE may transmit, based at least in part on receiving a negative acknowledgement associated with the inter-UE coordination request message or based at least in part on not receiving feedback associated with the inter-UE coordination request message within a time period, the data via a second resource that is selected based at least in part on sensing information obtained by the UE. Numerous other aspects are described.