Communication Method and Communications Apparatus

    公开(公告)号:US20210377889A1

    公开(公告)日:2021-12-02

    申请号:US17402150

    申请日:2021-08-13

    Abstract: This application provides a communication method. The communication method includes: A first device sends indication information, where the indication information is used to indicate whether the first device sends a first synchronization signal block in a synchronization slot of a sidelink, and the synchronization slot is used to transmit a synchronization signal block; and the first device sends first data in the synchronization slot of the sidelink. Because the first device indicates a sending behavior of the first device in the synchronization slot before sending the first data, a receiver may determine a processing manner of the receiver in the synchronization slot based on the indication information.

    Reference signal sending method, base station, and user equipment

    公开(公告)号:US11128420B2

    公开(公告)日:2021-09-21

    申请号:US16657759

    申请日:2019-10-18

    Inventor: Pu Yuan Jun Luo Jin Liu

    Abstract: This application discloses a reference signal sending method, a base station, and user equipment, to relieve a problem of low utilization of time-frequency resources. The method may include receiving, by a base station, a measurement result, sent by user equipment (UE), of a downlink reference signal from a serving cell of the UE, where the base station is a base station to which the serving cell belongs. The method may also include determining, by the base station based on the measurement result, whether a predetermined handover preparation condition is met. When the predetermined handover preparation condition is met, the method may include instructing, by the base station, a neighboring cell to send the downlink reference signal to the UE using a time-frequency resource configured by the base station, where the neighboring cell does not send the downlink reference signal to the UE before the neighboring cell is instructed. Furthermore, the method may include instructing, by the base station, the UE to receive the downlink reference signal using the time-frequency resource configured by the base station.

    INFORMATION TRANSMISSION METHOD, APPARATUS, AND SYSTEM

    公开(公告)号:US20210176821A1

    公开(公告)日:2021-06-10

    申请号:US17180867

    申请日:2021-02-22

    Abstract: Embodiments provide an information transmission method, apparatus, and system, to simplify the foregoing information exchange procedure, save a transmission resource, and improve information transmission efficiency. In those embodiments, a first communications device receives first information sent by a second communications device and third information sent by a third communications device, where the first information and the third information are sent on a same time-frequency resource. The first communications device then generates second information based on the first information and the third information. Still in those embodiments, the first communications devic sends the second information and first indication information to the second communications device and the third communications device, where the first indication information indicates that the second information is generated based on the first information and the third information.

    RSSI Measurement Method, Network Device, and Terminal Device

    公开(公告)号:US20190081714A1

    公开(公告)日:2019-03-14

    申请号:US16110983

    申请日:2018-08-23

    Abstract: An RSSI measurement method, a network device, and a terminal device are disclosed. The method includes receiving, by a terminal device, an RSSI measurement configuration message, where the measurement configuration message includes indication information of a time resource for RSSI measurement, and the time resource includes first downlink symbols and second downlink symbols in a timeslot in which a synchronization signal block is located, and measuring a received signal power on the first downlink symbols and the second downlink symbols, where the first downlink symbols include downlink symbols in which the synchronization signal block is located, and where the second downlink symbols include at least one downlink symbol other than the first downlink symbols.

    Beam training method and related device

    公开(公告)号:US12238658B2

    公开(公告)日:2025-02-25

    申请号:US17851790

    申请日:2022-06-28

    Abstract: Example beam training methods and apparatus are described. In one example method, a first terminal apparatus sends a first message to a second terminal apparatus, where the first message includes a request for a first list, the first list includes an identifier of at least one sidelink synchronization signal, and the at least one sidelink synchronization signal is a sidelink synchronization signal that is not used by the second terminal apparatus within a preset time range and/or that is not used by another terminal apparatus within an area in which the second terminal apparatus is located. The first terminal apparatus receives a second message from the second terminal apparatus, where the second message includes the first list. A first sidelink synchronization signal is determined based on the identifier of the at least one sidelink synchronization signal in the first list. The first sidelink synchronization signal is used for beam training.

    Synchronization Signal Block Transmission Method and Apparatus

    公开(公告)号:US20240292350A1

    公开(公告)日:2024-08-29

    申请号:US18658272

    申请日:2024-05-08

    Inventor: Pu Yuan Chao Li

    CPC classification number: H04W56/001

    Abstract: A method includes: A first terminal device generates a sidelink synchronization signal block and sends the sidelink synchronization signal block to a second terminal device, where the sidelink synchronization signal block includes a PSBCH, an SPSS, and an SSSS, where the PSBCH includes M OFDM symbols in time domain, the PSBCH includes a DMRS, the DMRS includes K OFDM symbols of the M OFDM symbols in time domain, and the DMRS is mapped at an interval of n−1 subcarriers in frequency domain; and the SPSS or the SSSS includes 2 OFDM symbols in time domain, and the PSBCH, the SPSS and the SSSS includes N RBs in frequency domain; includes N RBs in frequency domain.

    Synchronization signal block transmission method and apparatus

    公开(公告)号:US11991653B2

    公开(公告)日:2024-05-21

    申请号:US17452879

    申请日:2021-10-29

    Inventor: Pu Yuan Chao Li

    CPC classification number: H04W56/001

    Abstract: Embodiments of this application relate to the communication field, and provide a synchronization signal block transmission method and an apparatus. The method includes: A first terminal device generates a sidelink synchronization signal block and sends the sidelink synchronization signal block to a second terminal device, where the sidelink synchronization signal block includes a PSBCH, an SPSS, and an SSSS, where the PSBCH includes M OFDM symbols in time domain, the PSBCH includes a DMRS, the DMRS includes K OFDM symbols of the M OFDM symbols in time domain, and the DMRS is mapped at an interval of n−1 subcarriers in frequency domain; and the SPSS or the SSSS includes 2 OFDM symbols in time domain, and the PSBCH, the SPSS and the SSSS includes N RBs in frequency domain; includes N RBs in frequency domain.

    Information sending and receiving method, network device, and terminal device

    公开(公告)号:US11178629B2

    公开(公告)日:2021-11-16

    申请号:US16674849

    申请日:2019-11-05

    Inventor: Jin Liu Pu Yuan Jun Luo

    Abstract: This application provides an information sending and receiving method, a network device, and a terminal device, to send, on a PBCH, information used to determine an SSB, to implement time sequence alignment with a cell radio frame. The method includes: generating, by a network device, first information and second information at a first protocol layer, where the first information includes system information, the second information is used to determine a time-frequency resource corresponding to one or more synchronization signal blocks SSBs, and the first protocol layer is a protocol layer higher than a physical layer; transmitting, the first information and the second information from the first protocol layer to the physical layer; performing, physical layer processing on the first information and the second information; and sending, by the network device by using a physical broadcast channel PBCH in the SSB, data obtained based on the physical layer processing.

    Reference signal sending method and apparatus

    公开(公告)号:US11115986B2

    公开(公告)日:2021-09-07

    申请号:US16579450

    申请日:2019-09-23

    Inventor: Jun Luo Jin Liu Pu Yuan

    Abstract: A reference signal sending method and apparatus is disclosed. The method includes the following operations: sending, by a network device, configuration information of a reference signal, where the configuration information of the reference signal is used to indicate air interface sending information of the reference signal; and sending, by the network device, the reference signal based on the configuration information of the reference signal, where the reference signal is a cell specific reference signal, user equipment specific reference signal, or user equipment group specific reference signal. Correspondingly, the embodiments of the present disclosure further disclose a reference signal sending method and apparatus. According to the embodiments of the present disclosure, the network device can flexibly configure the reference signal, and reference signal overheads of the network device can be reduced.

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