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公开(公告)号:WO2021127603A1
公开(公告)日:2021-06-24
申请号:PCT/US2020/066271
申请日:2020-12-19
Applicant: QUALCOMM INCORPORATED
Inventor: WU, Shuanshuan , BALASUBRAMANIAN, Anantharaman , GULATI, Kapil , PATIL, Shailesh , BAGHEL, Sudhir Kumar , SARKIS, Gabi , NGUYEN, Tien Viet
IPC: H04W76/14 , H04W72/02 , H04W4/40 , H04W72/048 , H04W72/1278 , H04W92/18
Abstract: Wireless communication devices are adapted to facilitate power conservation and sidelink communications. According to one example, a wireless communication device can transmit a reservation signal to reserve one or more sidelink resources for use by another device, and receive a sidelink transmission from the other device on at least a portion of the one or more reserved sidelink resources. According to another example, a wireless communication device can detect a reservation signal from another device, where the reservation signal is configured to reserve one or more sidelink resources, and transmit a sidelink transmission on at least a portion of the one or more of the sidelink resources reserved by the other device. Other aspects, embodiments, and features are also included.
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公开(公告)号:WO2020263931A1
公开(公告)日:2020-12-30
申请号:PCT/US2020/039297
申请日:2020-06-24
Applicant: QUALCOMM INCORPORATED
Inventor: GULATI, Kapil , KHANDEKAR, Aamod , PATIL, Shailesh , WU, Shuanshuan , NGUYEN, Tien Viet , BAGHEL, Sudhir Kumar , BHARADWAJ, Arjun
IPC: H04B17/21
Abstract: Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may determine that the first UE is scheduled to transmit in a first slot and a second slot after the first slot. The first UE may then transmit, to a second UE, a first set of data in the first slot based on determining that the first UE is scheduled to transmit in the first slot and the second slot. In some examples, the first UE may determine whether a power estimation capability of the second UE satisfies a threshold. In some cases, the power estimation capability may be based on a correspondence between transmissions in the first slot and expected transmissions in the second slot. Based on the power estimation capability of the second UE, the first UE transmits data in a symbol reserved for automatic gain control at the second slot.
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公开(公告)号:WO2020263873A1
公开(公告)日:2020-12-30
申请号:PCT/US2020/039206
申请日:2020-06-23
Applicant: QUALCOMM INCORPORATED
Inventor: BALASUBRAMANIAN, Anantharaman , BAGHEL, Sudhir Kumar , PATIL, Shailesh , SMEE, John Edward
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) carried by a pedestrian (e.g., a P-UE) may receive control signaling that indicates a resource allocation for a sidelink channel for pedestrian to vehicle communications. The P-UE may transmit, within the resource allocation of the sidelink channel, a message that includes an identifier of the P-UE based on movement data of the PUE being classified as pedestrian movement. The P-UE may monitor the sidelink channel for a collision warning message from a vehicle UE that includes the identifier of the P-UE based on transmitting the message. If the P-UE receives a collision warning message that includes its identifier, the P-UE may present an alert based on receiving the collision warning message.
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公开(公告)号:WO2020154379A1
公开(公告)日:2020-07-30
申请号:PCT/US2020/014580
申请日:2020-01-22
Applicant: QUALCOMM INCORPORATED
Inventor: WU, Shaunshuan , GULATI, Kapil , ABEDINI, Navid , BAGHEL, Sudhir Kumar , BHARADWAJ, Arjun , NGUYEN, Tien Viet , PATIL, Shailesh
IPC: H04W56/00
Abstract: Aspects described herein relate to transmitting a direct link synchronization signal for wireless communications. A user equipment (UE) may determine a synchronization signal priority level. The UE may determine a number of resources in a synchronization signal period on which to transmit a direct link synchronization signal block from the UE based on the synchronization signal priority level. The UE may transmit the direct link synchronization signal block on the number of resources.
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公开(公告)号:WO2020101953A1
公开(公告)日:2020-05-22
申请号:PCT/US2019/059902
申请日:2019-11-05
Applicant: QUALCOMM INCORPORATED
Inventor: CHENG, Hong , BHARADWAJ, Arjun , BAGHEL, Sudhir Kumar , GULATI, Kapil , WU, Zhibin , LI, Junyi , PATIL, Shailesh
Abstract: Methods, systems, and devices for wireless communications are described. The method, system, and apparatus may include managing the operation mode of a user equipment in vehicle-to-everything communication. In some aspects, a user equipment may transmit an inactive request message (or a request message) to a base station to indicate the user equipment is switching from a base station scheduling mode (or a radio access network node scheduling mode) to a peer user equipment scheduling mode (or a roadside unit scheduling mode). The user equipment may receive an acknowledgment message from the base station indicating a state change to allow the peer user equipment scheduling mode. In some cases, the user equipment may receive an area identifier from the base station, and the area identifier may indicate an area where the peer user equipment scheduling mode is allowed.
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公开(公告)号:WO2020091906A1
公开(公告)日:2020-05-07
申请号:PCT/US2019/051739
申请日:2019-09-18
Applicant: QUALCOMM INCORPORATED
Inventor: NGUYEN, Tien Viet , BAGHEL, Sudhir Kumar , PATIL, Shailesh
Abstract: A method for communication includes generating a control channel comprising a first symbol and a second symbol, the first symbol comprising a first symbol half and a second symbol half, the first symbol half of the first symbol comprising information relating to automatic gain control (AGC) training, the second symbol half of the first symbol comprising a cyclic shifted copy of a request symbol corresponding to a length of a transmission, and the second symbol comprising control content.
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公开(公告)号:WO2020068924A3
公开(公告)日:2020-04-02
申请号:PCT/US2019/052875
申请日:2019-09-25
Applicant: QUALCOMM INCORPORATED
Inventor: WU, Zhibin , BAGHEL, Sudhir Kumar , GULATI, Kapil , BHARADWAJ, Arjun , CHENG, Hong , PATIL, Shailesh , LI, Junyi
Abstract: A method, a computer-readable medium, and an apparatus may include a receiving UE that is configured to receive at least a portion of a message for a service group, measure a signal strength for the message received, and determine whether to send feedback based on the signal strength measured for the message. In some aspects, a transmitting UE is configured to determine an intended range for a service group, and transmit a message for the service group based, at least in part, on the intended range. In some aspects, the transmitting UE is configured to receive HARQ feedback from at least one receiving UE, measure a signal strength for the HARQ feedback, and determine whether to resend the message based on the signal strength measured for the HARQ feedback.
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公开(公告)号:WO2020068671A1
公开(公告)日:2020-04-02
申请号:PCT/US2019/052438
申请日:2019-09-23
Applicant: QUALCOMM INCORPORATED
Inventor: BHARADWAJ, Arjun , GULATI, Kapil , BAGHEL, Sudhir Kumar , PATIL, Shailesh , BHUSHAN, Naga
IPC: H04L1/18
Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The apparatus may receive from a second device a first data packet in one or more receiving slots of a time division duplex frame that includes a plurality of slots. The apparatus may determine whether the first data packet is received incorrectly. The apparatus may wait until the end of the one or more receiving slots and may transmit to the second device a first NACK in a NACK feedback symbol in a configured slot after the end of the one or more receiving slots in response to determining that the first data packet was not received correctly.
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公开(公告)号:WO2020068488A1
公开(公告)日:2020-04-02
申请号:PCT/US2019/051506
申请日:2019-09-17
Applicant: QUALCOMM INCORPORATED
Inventor: GULATI, Kapil , NGUYEN, Tien Viet , LI, Junyi , BAGHEL, Sudhir Kumar , BHUSHAN, Naga , PATIL, Shailesh
Abstract: Aspects described herein relate to determining multiple waveforms for transmitting wireless communications. A control waveform can be determined for transmitting a control information transmission related to a data transmission as one of multiple waveforms. A data waveform can be determined for transmitting the data transmission as one of the multiple waveforms. The control information transmission can be transmitted based on the control waveform, and the data transmission can be transmitted based on the data waveform.
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公开(公告)号:WO2019222107A1
公开(公告)日:2019-11-21
申请号:PCT/US2019/032035
申请日:2019-05-13
Applicant: QUALCOMM INCORPORATED
Inventor: NGUYEN, Tien Viet , BAGHEL, Sudhir Kumar , PATIL, Shailesh
Abstract: Methods, systems, and devices for wireless communications are described. A transmitting user equipment (UE) such as a vehicle may identify data for transmission and transmit a request message to one or more receiving UEs (e.g., other vehicles). The request message may be associated with a first priority. The transmitting UE may monitor resources for a response message. The response message may be associated with a second priority. If the transmitting UE receives a response message, the transmitting UE may determine whether to transmit the data based on a comparison of the priorities of the request message and the response message. In some cases, the transmitting UE may transmit the data if the transmitting UE does not receive any response message. A receiving UE may receive the request message and determine whether to transmit a response message based on the priority and/or the receive power of the request message.
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