公开(公告)号：US11115986B2

公开(公告)日：2021-09-07

申请号：US16579450

申请日：2019-09-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jun Luo ,  Jin Liu ,  Pu Yuan

IPC: H04W72/04 ,  H04L5/00 ,  H04W72/00

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.

公开(公告)号：US11102745B2

公开(公告)日：2021-08-24

申请号：US16575781

申请日：2019-09-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Pu Yuan ,  Jin Liu ,  Jun Luo

IPC: H04W4/00 ,  H04W56/00 ,  H04W76/27 ,  H04W72/00

Abstract: A downlink synchronization method and apparatus, the method including receiving configuration information of a synchronization signal and physical broadcast channel (PBCH) block and that is sent by a transmission reception point (TRP), where the configuration information of the synchronization signal and PBCH block includes at least one of location indication information or time cycle indication information, determining at least one of a location of the synchronization signal and PBCH block in a synchronization signal burst set according to the location indication information or a time cycle of a synchronization signal burst set according to the time cycle indication information, receiving the synchronization signal and PBCH block according to at least one of the location or the time cycle, and performing downlink synchronization according to the synchronization signal and PBCH block.

公开(公告)号：US11012959B2

公开(公告)日：2021-05-18

申请号：US16943459

申请日：2020-07-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jin Liu ,  Pu Yuan ,  Jun Luo ,  Zhengzheng Xiang ,  Lu Rong

IPC: H04W56/00 ,  H04L5/00 ,  H04L27/26 ,  H04W72/00 ,  H04W72/04

Abstract: A signal transmission method and an apparatus are disclosed. In an embodiment a signal transmission method includes generating a demodulation reference signal and sending the demodulation reference signal, wherein the demodulation reference signal is sent in a specific time-frequency resource, and the specific time-frequency resource is located on symbols corresponding to a synchronization signal block.

公开(公告)号：US11006377B2

公开(公告)日：2021-05-11

申请号：US16141099

申请日：2018-09-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jin Liu ,  Pu Yuan ,  Jun Luo ,  Zhengzheng Xiang ,  Lu Rong

IPC: H04W56/00 ,  H04W72/00 ,  H04L5/00 ,  H04L27/26 ,  H04W72/04

Abstract: A signal transmission method and an apparatus are disclosed. In an embodiment a signal transmission method includes generating a reference signal and sending the reference signal, wherein the reference signal is sent in a specific time-frequency resource, and the specific time-frequency resource is located on symbols corresponding to a synchronization signal block.

公开(公告)号：US10972199B2

公开(公告)日：2021-04-06

申请号：US16110983

申请日：2018-08-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhengzheng Xiang ,  Jun Luo ,  Jin Liu ,  Lei Huang ,  Pu Yuan

IPC: H04W24/10 ,  H04W56/00 ,  H04W72/04 ,  H04B17/318

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.

公开(公告)号：US10757725B2

公开(公告)日：2020-08-25

申请号：US16365052

申请日：2019-03-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jinfang Zhang ,  Lei Lu ,  Jin Liu

IPC: H04W72/12 ,  H04L1/16 ,  H04L5/00 ,  H04W72/04 ,  H04L1/06 ,  H04L1/00

Abstract: This application discloses a grant-free transmission method, a network device, and a terminal device. The method includes: detecting, by a network device, a pilot sequence used by a terminal device for uplink transmission; determining, by the network device, a pilot sequence index of the pilot sequence based on the pilot sequence and a correspondence between the pilot sequence and the pilot sequence index; and sending, by the network device, information about a feedback result of the uplink transmission to the terminal device based on the pilot sequence index.

公开(公告)号：US20200229017A1

公开(公告)日：2020-07-16

申请号：US16833198

申请日：2020-03-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jin Liu ,  Pu Yuan ,  Keyvan Zarifi ,  Jun Luo ,  Kelvin Kar Kin Au

IPC: H04W24/10 ,  H04L5/00 ,  H04W56/00 ,  H04W24/02 ,  H04W48/16 ,  H04W76/27 ,  H04W72/04 ,  H04W48/14

Abstract: This application discloses a communications method and apparatus, the method including sending a synchronization/broadcast signal block of a serving cell or a camping cell, sending at least one piece of cell measurement configuration information to a terminal device, where the at least one piece of cell measurement configuration information comprises N pieces of information indicating actual sending of a synchronization/broadcast signal block, and the N pieces of information indicating actual sending of a synchronization/broadcast signal block are used to indicate information about actually sent synchronization/broadcast signal blocks of M cells, where 1≤N≤M, where M is a quantity of measurement cells of the terminal device, and where both N and M are positive integers, and sending synchronization/broadcast signal blocks of the M measurement cells.

公开(公告)号：US20190223203A1

公开(公告)日：2019-07-18

申请号：US16365052

申请日：2019-03-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jinfang Zhang ,  Lei Lu ,  Jin Liu

IPC: H04W72/12 ,  H04L1/16 ,  H04L5/00 ,  H04W72/04

Abstract: This application discloses a grant-free transmission method, a network device, and a terminal device. The method includes: detecting, by a network device, a pilot sequence used by a terminal device for uplink transmission; determining, by the network device, a pilot sequence index of the pilot sequence based on the pilot sequence and a correspondence between the pilot sequence and the pilot sequence index; and sending, by the network device, information about a feedback result of the uplink transmission to the terminal device based on the pilot sequence index.

公开(公告)号：US11509440B2

公开(公告)日：2022-11-22

申请号：US16786503

申请日：2020-02-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Pu Yuan ,  Jin Liu ,  Zhengzheng Xiang

IPC: H04B17/382 ,  H04L5/00 ,  H04W48/08 ,  H04W56/00 ,  H04W72/04 ,  H04W12/76 ,  H04W4/08

Abstract: Embodiments of the present invention provide a synchronization signal block indication method, a synchronization signal block determining method, a network device, and a terminal device. The method includes: generating, by a network device, a synchronization signal block indication message, where the synchronization signal block indication message includes synchronization signal block group indication information which is used to indicate an synchronization signal block group sent by the network device, and synchronization signal block indication information is used to indicate an synchronization signal block sent by the network device in each synchronization signal block group, and locations of a synchronization signal block sent by the network device in synchronization signal block groups sent by the network device are the same; and sending, by the network device, the synchronization signal block indication message.

公开(公告)号：US11350378B2

公开(公告)日：2022-05-31

申请号：US16673567

申请日：2019-11-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hongzhe Shi ,  Jin Liu ,  Jun Luo

IPC: H04L12/28 ,  H04W56/00 ,  H04L1/00 ,  H04L27/26 ,  H04W72/04

Abstract: This application provides a signal transmission method and apparatus. The method includes: generating a synchronization signal block, where the synchronization signal block includes a synchronization signal and a broadcast signal, a sequence number of the synchronization signal block is indicated by using at least one of sequence number indication information carried in the broadcast signal, a scrambling code of the broadcast signal, a cyclic redundancy check CRC mask of the broadcast signal, a bijective transformation parameter of the broadcast signal, cyclic shift information of the broadcast signal on which channel coding has been performed, and a system frame number carried in the broadcast signal, and the sequence number indicates a location of the synchronization signal block in a plurality of synchronization signal blocks; and sending the synchronization signal block.