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公开(公告)号：US11540224B2
公开(公告)日：2022-12-27
申请号：US17174299
申请日：2021-02-11
Applicant: QUALCOMM Incorporated
Inventor： Sudhir Kumar Baghel , Gabi Sarkis , Kapil Gulati , Tien Viet Nguyen
Abstract: A method of wireless communication performed by a first user equipment (UE) includes measuring first sensing information and receiving second sensing information from a second UE. The method also includes combining the second sensing information with the first sensing information based on determining a combining condition is satisfied. The method further includes identifying transmission resources from the combined sensing information. The method still further includes transmitting data via the identified transmission resources.
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公开(公告)号：US11540106B2
公开(公告)日：2022-12-27
申请号：US16824664
申请日：2020-03-19
Applicant: QUALCOMM Incorporated
Inventor： Jose Edson Vargas , Kapil Gulati , Junyi Li , Zhibin Wu , Sudhir Kumar Baghel
IPC: H04W8/00 , H04W16/28 , H04W4/029 , H04W28/02 , H04W80/02 , H04W4/70 , H04W72/04 , H04W74/08 , H04W92/18
Abstract: Disclosed are techniques for wireless communication. In an aspect, a first user equipment (UE) performs a limited beam sweep of one or more transmit beams on a second frequency band in an estimated direction from the first UE to the second UE, wherein the estimated direction is based on one or more parameters received over a previously established signaling radio bearer (SRB) on a first frequency band and/or a device-to-device discovery procedure performed on the first frequency band, receives, over the SRB, a confirmation that a data radio bearer (DRB) has been established on the second frequency band with at least one transmit beam of the one or more transmit beams, and sends, to the second UE, a data flow over the DRB on the second frequency band using the at least one transmit beam.
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公开(公告)号：US11522661B2
公开(公告)日：2022-12-06
申请号：US16843797
申请日：2020-04-08
Applicant: QUALCOMM Incorporated
Inventor： Durga Prasad Malladi , Shuanshuan Wu , Sudhir Kumar Baghel , Kapil Gulati , Shailesh Patil
Abstract: Methods, systems, and devices for wireless communications (e.g., vehicle to everything systems) are described relating to an adaptive design of demodulation reference signals (DMRS) density based on user equipment (UE) velocity. A UE may send assistance information to a transmitting UE to help identify a DMRS pattern based on the relative speed between the two UEs. Also, the transmitter may determine the adaptive DMRS pattern based on its speed without information of the receiver's speed. The transmitter may indicate the adaptive DMRS pattern in control information to the receiver. A base station may receive assistance information, and the base station may determine the adaptive DMRS pattern to be used by the transmitting UE based on the received assistance information and then indicate the adaptive DMRS pattern to the transmitting UE. A UE may determine an adaptive DMRS pattern to use based on feedback from the receiving UE.
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公开(公告)号：US20220386140A1
公开(公告)日：2022-12-01
申请号：US17335899
申请日：2021-06-01
Applicant: QUALCOMM Incorporated
Inventor： Shuanshuan Wu , Junyi Li , Kapil Gulati
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit, in a plurality of directions using a plurality of transmit beams of the UE, a first set of sidelink messages to a plurality of UEs, each transmit beam of the plurality of transmit beams associated with a respective direction of the plurality of directions. The UE may receive, in one or more directions of the plurality of directions, a feedback message from one or more UEs that are a subset of the plurality of UEs, each feedback message indicating whether the sidelink message was received and decoded by a respective UE of the one or more UEs. The UE may transmit, based at least in part on the feedback message from the one or more UEs, a second set of sidelink messages in the one or more directions to the one or more UEs.
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公开(公告)号：US11516685B2
公开(公告)日：2022-11-29
申请号：US16986870
申请日：2020-08-06
Applicant: QUALCOMM Incorporated
Inventor： Vasanthan Raghavan , Kapil Gulati , Andrzej Partyka , Junyi Li , Jung Ho Ryu , Tianyang Bai
IPC: H04W24/08 , H04B17/336 , H04B17/318 , H04L5/14
Abstract: Systems, apparatuses, and methods for switching between full duplex and half duplex in wireless nodes. A wireless node may measure self-interference for one or more transmitter-receiver beam pairs. Based on the self-interference measurements, the wireless node may communicate on a beam pair in full duplex or half duplex. A duplex mode may be determined based on self-interference, as well as, optionally with other metrics such as rate and latency. A wireless node may switch between full duplex and half duplex based on the duplex mode determination. In addition, suitable beam pairs may be selected, along with associated duplex modes.
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Patent Agency Ranking
公开(公告)号：US11510147B2
公开(公告)日：2022-11-22
申请号：US17247162
申请日：2020-12-02
Applicant: QUALCOMM Incorporated
Inventor： Anantharaman Balasubramanian , Shuanshuan Wu , Kapil Gulati , Sudhir Kumar Baghel , Wooseok Nam
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may obtain one or more measurements associated with a sidelink resource pool that includes one or more time and frequency resources allocated to sidelink transmissions to or from the UE. The UE may transmit, to an assisted UE, sidelink signaling that includes signaling to wake up the assisted UE and resource assistance information indicating the one or more measurements associated with the sidelink resource pool. Numerous other aspects are provided.
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公开(公告)号：US20220365167A1
公开(公告)日：2022-11-17
申请号：US17246308
申请日：2021-04-30
Applicant: QUALCOMM Incorporated
Inventor： Dan Zhang , Kapil Gulati , Junyi Li
IPC: G01S7/00 , H04W4/40 , G01S13/931
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication of a configuration to perform cooperative radar sensing. The configuration may indicate resources for the first UE to use to communicate radar measurement reports. The UE may receive, from another UE on the identified resources, a radar measurement report that includes values for one or more radar measurement parameters for a first radar target and a time stamp associated with the values. The UE may identify a second set of values for the radar measurement parameters (e.g., its own measurements, or measurements received from a third UE in another radar measurement reports). The UE may generate a combined set of values for the radar measurement parameters for each time stamp by combining the first set of values and the second set of values.
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公开(公告)号：US20220352915A1
公开(公告)日：2022-11-03
申请号：US17246335
申请日：2021-04-30
Applicant: QUALCOMM Incorporated
Inventor： Navid Abedini , Qian Zhang , Kapil Gulati , Yan Zhou , Tao Luo , Junyi Li
Abstract: Methods, systems, and devices for wireless communications are described. A first wireless node may transmit, to a control node, an indication of a capability of the first wireless node to perform one or more self-interference cancelation (SIC) procedures between a first antenna array of the first wireless node and a second antenna array of the first wireless node. The first wireless node may receive, from the control node in response to the indication of the capability, a configuration for the first wireless node to use to perform a SIC procedure of the one or more SIC procedures for full-duplex communications. The first wireless node may then communicate, according to the received configuration, with the control node, a control node, or any combination thereof, using the first antenna array and the second antenna array.
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公开(公告)号：US20220349985A1
公开(公告)日：2022-11-03
申请号：US17243518
申请日：2021-04-28
Applicant: QUALCOMM Incorporated
Inventor： Dan Zhang , Kapil Gulati , Junyi Li
IPC: G01S7/02 , G01S7/00 , G01S13/931 , G01S7/35
Abstract: Methods, systems, and devices for wireless communications are described. Generally, a user equipment (UE) (e.g., a vehicle) may determine a configuration, including an offset value for the radar waveform, for transmitting a radar waveform for multiple radar transmitters. The UE may transmit, according to the identified configuration, a first instance of the radar waveform with a first radar transmitter. The UE may also transmit a second instance of the radar waveform with a second radar transmitter. The second instance of the radar waveform may be offset from the first instance of the radar waveform by the offset value. The Offset value may be a time offset, a frequency offset, or both. The UE may identify at least one object, and may filter our interference between the first instance of the radar waveform and the second instance of the radar waveform based on the offset.
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公开(公告)号：US20220346103A1
公开(公告)日：2022-10-27
申请号：US17236927
申请日：2021-04-21
Applicant: QUALCOMM Incorporated
Inventor： Sourjya Dutta , Kapil Gulati , Qing Li , Hong Cheng , Junyi Li , Gabi Sarkis , Dan Vassilovski
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to perform groupcast transmission on a sidelink channel of a high frequency band, such as a millimeter wave (mmW) band. The UE may transmit, via a sidelink channel, beamformed repetitions of a packet in multiple directions corresponding to multiple quality of service (QoS) profiles configured for transmission of the packet. The UE may determine precoders to transmit the packet in the multiple directions. Each repetition of the packet may be associated with a separate hybrid automatic repeat request (HARQ) process. The UE may perform precoder cycling to transmit the packet in the multiple directions, and the UE may retransmit the packet in directions where the initial transmission was unsuccessful.
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