公开(公告)号：US20190110325A1

公开(公告)日：2019-04-11

申请号：US16156646

申请日：2018-10-10

Applicant: QUALCOMM Incorporated

Inventor： Kapil Gulati ,  Shailesh Patil ,  Tien Viet Nguyen ,  Sudhir Kumar Baghel

IPC: H04W76/14 ,  H04W72/04

Abstract: Wireless communication apparatus and methods related to wireless communication, for example, device-to-device feedback are described. In aspects, a method of wireless communication may include communicating a sidelink traffic communication using a sidelink communication structure, and communicating an allotting for sidelink feedback using at least one feedback symbol of the sidelink communication structure. In aspects, the method includes communicating, by a first wireless communication device, a sidelink feedback communication using at least one feedback symbol of the sidelink communication structure, wherein the sidelink feedback communication is associated with the sidelink traffic communication. Numerous other aspects are provided.

公开(公告)号：US20250097969A1

公开(公告)日：2025-03-20

申请号：US18970251

申请日：2024-12-05

Applicant: QUALCOMM Incorporated

Inventor： Hui Guo ,  Sudhir Kumar Baghel ,  Tien Viet Nguyen

IPC: H04W72/56 ,  H04L1/1812 ,  H04W72/0446 ,  H04W72/0453 ,  H04W92/18

Abstract: Techniques for handling sidelink feedback signaling in situations where collisions would otherwise be experienced in a network communication link are shown and described. For example, sidelink feedback signaling handling techniques may provide for collision handling when sidelink HARQ is to be simultaneously transmitted with network communication radio interface uplink channel information (e.g., Uu HARQ, SR, CSI, etc.) on one or more Uu channel (e.g., PUCCH, PUSCH, etc.). In operation of sidelink feedback handling, a transmitter or intermediary UE of a sidelink communication link may decide whether and how to forward the sidelink HARQ to a corresponding base station. Other aspects and features are also claimed and described.

公开(公告)号：US12256253B2

公开(公告)日：2025-03-18

申请号：US17230590

申请日：2021-04-14

Applicant: QUALCOMM Incorporated

Inventor： Gabi Sarkis ,  Tien Viet Nguyen ,  Sudhir Kumar Baghel ,  Kapil Gulati ,  Seyedkianoush Hosseini ,  Wanshi Chen ,  Junyi Li

IPC: H04W24/10 ,  H04L5/00 ,  H04L5/16 ,  H04W4/06 ,  H04W24/08 ,  H04W72/02 ,  H04W72/20 ,  H04W72/25 ,  H04W72/30 ,  H04W72/50 ,  H04W72/51 ,  H04W72/542 ,  H04W72/56 ,  H04W92/18

Abstract: Certain aspects of the present disclosure provide techniques for determining resources for sidelink communications based on coordination information. A method that may be performed by a first wireless device includes receiving, from second wireless devices, reports indicating coordination information associated with candidate resources and assigning ranks to the reports. The method also includes determining resources from the candidate resources for communicating with third wireless devices based on at least one of: at least two reports, and the ranks of the at least two reports; or at least one of the reports and sensing information, measured by the first wireless device, associated with the candidate resources, and the rank of the reports and a rank of the sensing information. The method further includes communicating with the third wireless devices via the determined resources.

公开(公告)号：US12133119B2

公开(公告)日：2024-10-29

申请号：US17457345

申请日：2021-12-02

Applicant: QUALCOMM Incorporated

Inventor： Tien Viet Nguyen ,  Gabi Sarkis ,  Kapil Gulati ,  Sourjya Dutta

IPC: H04W28/26 ,  H04W72/20 ,  H04W92/18

CPC classification number: H04W28/26 ,  H04W72/20 ,  H04W92/18

Abstract: Apparatus, methods, and computer-readable media for facilitating improvement in sensing for unicast sidelink communication are disclosed herein. An example method for wireless communication at a first user equipment (UE) includes receiving, from a second UE over a sidelink channel, a first transmission comprising sidelink control information (SCI). In some aspects, the SCI indicates a resource reservation of the second UE. The method includes obtaining measurements of the first transmission and determining whether the measurements exceed a reference threshold. The method includes determining whether the SCI includes an indication that the second UE is following a first resource recommendation of a third UE that is an intended receiver of the second UE when the measurements exceed the reference threshold. The method also includes ignoring the resource reservation of the second UE when the SCI includes the indication that the UE is following the first resource recommendation of the third UE.

公开(公告)号：US20240260060A1

公开(公告)日：2024-08-01

申请号：US18561142

申请日：2021-07-30

Applicant: QUALCOMM INCORPORATED

Inventor： Shuanshuan Wu ,  Tien Viet Nguyen ,  Kapil Gulati ,  Sourjya Dutta ,  Gabi Sarkis ,  Hui Guo

IPC: H04W72/25 ,  H04L5/00 ,  H04W72/02 ,  H04W72/563

CPC classification number: H04W72/25 ,  H04L5/0048 ,  H04W72/02 ,  H04W72/563

Abstract: Methods, systems, and devices for wireless communications are described. To improve sidelink reservation schemes. a first user equipment (UE) may indicate its preferences for sidelink resources to a second UE that may select sidelink resources for sidelink messages based on the indicated preferences. For example, the first UE may monitor a first set of sidelink resources for sidelink control information (SCI) to determine which sidelink resources of a second set of sidelink resources are available. Based on the monitoring, the first UE may generate a bitmap that indicates the first UE's preferences for the sidelink resources of the second set and may transmit a coordination message to the second UE that includes the bitmap. The second UE may receive the coordination message and transmit, to the first UE, one or more sidelink messages using one or more sidelink resources of the second set selected based on the indicated preferences.

公开(公告)号：US12041673B2

公开(公告)日：2024-07-16

申请号：US17036983

申请日：2020-09-29

Applicant: QUALCOMM Incorporated

Inventor： Tien Viet Nguyen ,  Kapil Gulati ,  Hong Cheng ,  Junyi Li ,  Sudhir Kumar Baghel

IPC: H04W76/14 ,  H04B7/06 ,  H04L1/18 ,  H04L47/30 ,  H04W72/12

CPC classification number: H04W76/14 ,  H04B7/0632 ,  H04L1/18 ,  H04L47/30

Abstract: Methods, systems, and devices for wireless communications are described. A receiver user equipment (UE) may communicate with a transmitter UE in a sidelink channel to report a congestion index to the transmitter UE and/or additional transmitter UEs, where the transmitter UE(s) may then adjust one or more sidelink operation parameters based on the reported congestion index. In some cases, the transmitter UE may report the congestion index to an upper layer, to other transmitter UEs, to application layers, or a combination thereof. The transmitter UEs 115 and/or application layer may then adjust one or more sidelink transmission operation parameters based on the reported congestion index. For example, the transmitter UEs and/or application layer may adjust threshold values to lessen a number of retransmissions and lessen congestion.

公开(公告)号：US12015953B2

公开(公告)日：2024-06-18

申请号：US18179173

申请日：2023-03-06

Applicant: Qualcomm Incorporated

Inventor： Tien Viet Nguyen ,  Sudhir Kumar Baghel ,  Shailesh Patil ,  Arjun Bharadwaj ,  Kapil Gulati

IPC: H04W28/26 ,  H04W4/40 ,  H04W72/0446 ,  H04W72/56

CPC classification number: H04W28/26 ,  H04W4/40 ,  H04W72/0446 ,  H04W72/56

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine whether sufficient resources are available to perform a transmission in a current slot. The UE may transmit the transmission in the current slot, transmit an early reservation signal for a future resource, or determine whether sufficient resources are available to perform the transmission in a subsequent slot based at least in part on a probability-based determination and based at least in part on whether sufficient resources are available to perform the transmission in the current slot. Numerous other aspects are provided.

公开(公告)号：US11985094B2

公开(公告)日：2024-05-14

申请号：US17823804

申请日：2022-08-31

Applicant: QUALCOMM Incorporated

Inventor： Tien Viet Nguyen ,  Sudhir Kumar Baghel ,  Kapil Gulati ,  Arjun Bharadwaj ,  Shailesh Patil

IPC: H04L5/00 ,  H04W24/08 ,  H04L5/16

CPC classification number: H04L5/0055 ,  H04W24/08 ,  H04L5/16

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may utilize priority levels associated with packets or transmissions to determine whether to transmit feedback for a received transmission. The UE may compare priority levels between a transmission subject to a feedback condition and a transmission scheduled to be received when the feedback is scheduled to be transmitted to determine whether to send the feedback. The UE may communicate with the transmitting device according to the comparison and the determining. The UE may determine signal conditions causing a NAK and determine to send the NAK based on the signal conditions.

公开(公告)号：US20240098562A1

公开(公告)日：2024-03-21

申请号：US18329680

申请日：2023-06-06

Applicant: QUALCOMM Incorporated

Inventor： Sudhir Kumar Baghel ,  Kapil Gulati ,  Tien Viet Nguyen ,  Gabi Sarkis ,  Shuanshuan Wu

IPC: H04W28/02 ,  H04W4/40 ,  H04W24/08

CPC classification number: H04W28/0289 ,  H04W4/40 ,  H04W24/08

Abstract: In one aspect, a method includes determining, by a user equipment (UE), a channel busy ratio (CBR) window for a CBR measurement for one or more resources; determining, by the UE, a CBR measurement value for the CBR window and for the one or more resources; determining, by the UE, a channel occupancy ratio (CR) window based on a first number of subframes used for a history of past transmissions and based on a second number of subframes used for future planned transmissions and corresponding retransmissions; and determining, by the UE, a CR value for the CR window based on subchannels used for the one or more resources for the first number of subframes and based on subchannels estimated for the one or more resources for the second number of subframes. In another aspect, a method includes determining a CR window based on a CBR measurement value.

公开(公告)号：US11937214B2

公开(公告)日：2024-03-19

申请号：US17462913

申请日：2021-08-31

Applicant: QUALCOMM Incorporated

Inventor： Wei Yang ,  Seyedkianoush Hosseini ,  Linhai He ,  Hung Dinh Ly ,  Tien Viet Nguyen

IPC: H04W72/25 ,  H04L5/00 ,  H04W72/02 ,  H04W72/04 ,  H04W72/044 ,  H04W72/0446 ,  H04W72/20 ,  H04W76/28

CPC classification number: H04W72/02 ,  H04W72/044 ,  H04W72/20 ,  H04W76/28

Abstract: Method, apparatus, and computer-readable medium of wireless communication at a sidelink device include: receiving a configuration of multiple bandwidth parts (BWPs) for sidelink communication, each bandwidth part (BWP) comprising one or more sidelink resource pools; activating a BWP from the multiple BWPs configured for the sidelink communication; and transmitting or receiving sidelink communication in resources from a resource pool in the activated BWP.