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公开(公告)号：US20210377699A1
公开(公告)日：2021-12-02
申请号：US17336274
申请日：2021-06-01
Applicant: QUALCOMM Incorporated
Inventor： Chang-Sik CHOI , Kapil GULATI , Sudhir Kumar BAGHEL
Abstract: Certain aspects of the present disclosure provide techniques for improving sidelink positioning via messaging between wireless nodes, e.g., roadside service units (RSUs). A method that may be performed by a user equipment (UE) includes receiving a first positioning reference signal (PRS) from a first wireless node, receiving a second PRS from a second wireless node, receiving, from the first wireless node, an estimate of a first clock error component between the first wireless node and the second wireless node, and estimating a position of the UE, based on the first PRS, the second PRS, and the estimate of the first clock error component.
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公开(公告)号：US20210345145A1
公开(公告)日：2021-11-04
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
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.
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公开(公告)号：US20210274471A1
公开(公告)日：2021-09-02
申请号：US17249235
申请日：2021-02-24
Applicant: QUALCOMM Incorporated
Inventor： Chang-Sik CHOI , Kapil GULATI , Sudhir Kumar BAGHEL , Gabi SARKIS
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive a set of resource maps from one or more second UEs, each resource map of the set of resource maps including resource availability information for a respective time window. The first UE may select a set of resources based at least in part on at least one resource map of the set of resource maps. The first UE may transmit a signal using the selected set of resources. Numerous other aspects are provided.
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公开(公告)号：US20210258920A1
公开(公告)日：2021-08-19
申请号：US17175529
申请日：2021-02-12
Applicant: QUALCOMM Incorporated
Inventor： Sudhir Kumar BAGHEL , Gabi SARKIS , Kapil GULATI , Wanshi CHEN , Junyi LI , Seyedkianoush HOSSEINI
Abstract: A method for wireless communication performed by a sensing user equipment (UE) includes identifying resource availability during a sensing window. The method further includes receiving a request to share resource information with a transmitter UE. The method still further includes determining a sharing condition is satisfied. The method also includes sharing the resource availability with the transmitter UE based on satisfying the sharing condition.
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公开(公告)号：US20210227468A1
公开(公告)日：2021-07-22
申请号：US17247728
申请日：2020-12-21
Applicant: QUALCOMM Incorporated
Inventor： Shuanshuan WU , Anantharaman BALASUBRAMANIAN , Kapil GULATI , Sudhir Kumar BAGHEL
Abstract: Various aspects of the present disclosure generally relate to paging in vehicle to everything (V2X) communications for power saving. In some aspects, a user equipment (UE) may monitor for a wake up signal or a paging message from a wireless communication device and monitor for V2X messages from vehicle UEs based at least in part on receiving the wake up signal or the paging message. The UE may receive a V2X message from a vehicle UE based at least in part on the monitoring. Numerous other aspects are provided.
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Patent Agency Ranking
公开(公告)号：US20210195669A1
公开(公告)日：2021-06-24
申请号：US17102562
申请日：2020-11-24
Applicant: QUALCOMM Incorporated
Inventor： Hong CHENG , Dan VASSILOVSKI , Shailesh PATIL , Sudhir Kumar BAGHEL , Kapil GULATI
Abstract: Certain aspects of the present disclosure provide techniques for wireless in-vehicle networking. A method that may be performed by a device in a vehicle includes wirelessly transmitting a data packet directly via a first device-to-device (D2D) communication link to another device in the vehicle; monitoring for an acknowledgment (ACK) of the data packet; deciding whether to retransmit the data packet to the other device, based on the monitoring; and wirelessly transmitting the data packet to a transmission relay, wherein an intended destination of the data packet is the other device, wherein the monitoring for the ACK comprises monitoring for a first ACK from the other device and a second ACK from the transmission relay.
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公开(公告)号：US20210153102A1
公开(公告)日：2021-05-20
申请号：US16950784
申请日：2020-11-17
Applicant: QUALCOMM Incorporated
Inventor： Gabi SARKIS , Alexandros MANOLAKOS , Sudhir Kumar BAGHEL , Kapil GULATI
Abstract: Aspects directed towards reserving resources for sidelink communications are disclosed. In one example, an initial sidelink communication is transmitted which includes an indication of resources reserved for a subsequent sidelink communication. A transmission restriction is applied for the subsequent sidelink communication based on a transmission characteristic associated with transmitting the initial sidelink communication. The subsequent sidelink communication is then transmitted according to the transmission restriction.
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公开(公告)号：US20210152226A1
公开(公告)日：2021-05-20
申请号：US16949859
申请日：2020-11-17
Applicant: QUALCOMM Incorporated
Inventor： Sudhir Kumar BAGHEL , Kapil GULATI , Gabi SARKIS , Chang-Sik CHOI
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a target user equipment (UE) may receive a channel state information (CSI) reference signal (RS) from a source UE via a sidelink communication; determine that a lower-layer determined source identifier of the source UE is included in a set of upper-layer determined source identifiers; and transmit a CSI report in a media access control (MAC) control element (CE) as a response to the CSI RS, based at least in part on the determination that the lower-layer determined source identifier of the source UE is included in a set of upper-layer determined source identifiers. Numerous other aspects are provided.
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公开(公告)号：US20210144691A1
公开(公告)日：2021-05-13
申请号：US16947913
申请日：2020-08-24
Applicant: QUALCOMM Incorporated
Inventor： Anantharaman BALASUBRAMANIAN , Shuanshuan WU , Sudhir Kumar BAGHEL , Kapil GULATI , Sony AKKARAKARAN
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, on a sidelink, a groupcast communication and a unicast communication concurrently from a transmitter. The UE may determine a feedback sequence to be transmitted to indicate joint acknowledgment or negative acknowledgement feedback for the groupcast communication and the unicast communication based at least in part on a decoding of the groupcast communication. The UE may transmit the feedback sequence in one or more sidelink feedback resources associated with a sidelink subchannel via which at least one of the groupcast communication or the unicast communication is received. Numerous other aspects are provided.
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公开(公告)号：US20210105746A1
公开(公告)日：2021-04-08
申请号：US17062049
申请日：2020-10-02
Applicant: QUALCOMM Incorporated
Inventor： Gabi SARKIS , Kapil GULATI , Tien Viet NGUYEN , Shuanshuan WU , Sudhir Kumar BAGHEL
Abstract: Techniques and apparatus for managing release of resource reservations for sidelink communications are provided. At least one resource reservation is determined from a resource pool having time-frequency resources allocated for sidelink communications with one or more user equipments. Control information that includes an indication of the at least one resource reservation and an indication of whether the at least one resource reservation is releasable is transmitted. A determination of whether to reclaim the at least one resource reservation is made, based on the control information. A set of resource reservations is selected from the resource pool for sidelink communications, based on the determination.
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