公开(公告)号：US20190280733A1

公开(公告)日：2019-09-12

申请号：US16422453

申请日：2019-05-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zheng LI ,  Yanfei ZHANG ,  Guangwei YU

IPC: H04B1/713 ,  H04W72/04

Abstract: A method includes: receiving, by a terminal device, a plurality of virtual channel indexes from a base station; selecting, by the terminal device, a virtual channel index from the plurality of virtual channel indexes; determining, by the terminal device based on the virtual channel index, physical channels corresponding to the virtual channel index on a plurality of subframes, where at least two of the physical channels corresponding to the virtual channel index on the plurality of subframes are different; and communicating, by the terminal device on at least one of the plurality of subframes, with the base station using the physical channel corresponding to the virtual channel index.

公开(公告)号：US20180248680A1

公开(公告)日：2018-08-30

申请号：US15967371

申请日：2018-04-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Tong JI ,  Yiling WU ,  Guangwei YU ,  Robert William YOUNG ,  Brian Martin GAFFNEY

IPC: H04L7/04 ,  H04L27/26 ,  H04W56/00

Abstract: The present invention relates to the field of wireless communications technologies. In a receiving device, a receiving module receives a synchronization signal including a first signal and a second signal. The first signal includes N1 generalized ZC sequences, and the second signal includes N2 generalized ZC sequences. The second signal is used to distinguish different cells or different cell groups. There are at least two generalized ZC sequences with different root indexes in (N1+N2) generalized ZC sequences. A processing module performs a first sliding correlation operation and a second sliding correlation operation on the synchronization signal, and performs symbol timing synchronization according to a relationship between a sliding correlation peak generated when a sliding correlation is performed on the N1 generalized ZC sequences and a sliding correlation peak generated when a sliding correlation is performed on the N2 generalized ZC sequences.

公开(公告)号：US20230180154A1

公开(公告)日：2023-06-08

申请号：US18154246

申请日：2023-01-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Feng YU ,  Bo LIN ,  Guangwei YU ,  Jiangwei YING

IPC: H04W56/00 ,  H04W12/08 ,  H04W12/10

CPC classification number: H04W56/001 ,  H04W12/08 ,  H04W12/10

Abstract: This application provides a communication method and a communications device. One example method includes: receiving, by a first communications device, first information from a third communications device; and sending, by the third communications device, the first information to the first communications device.

公开(公告)号：US20200295915A1

公开(公告)日：2020-09-17

申请号：US16892691

申请日：2020-06-04

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Tong JI ,  Yiling WU ,  Guangwei YU ,  Robert William YOUNG ,  Brian Martin GAFFNEY

IPC: H04L7/04 ,  H04J11/00 ,  H04J13/00 ,  H04W56/00 ,  H04L27/26

Abstract: The present disclosure relates to the field of wireless communications technologies, relates to a signal sending device, a signal receiving device, a symbol timing synchronization method, and a system, and resolves a problem that complexity of symbol timing synchronization performed by a terminal with relatively low crystal oscillator accuracy is high. In a receiving device, a receiving module receives a synchronization signal including a first signal and a second signal. The first signal includes N1 generalized ZC sequences, and the second signal includes N2 generalized ZC sequences. The second signal is used to distinguish different cells or different cell groups. There are at least two generalized ZC sequences with different root indexes in (N1+N2) generalized ZC sequences. A processing module performs a first sliding correlation operation and a second sliding correlation operation on the synchronization signal, and performs symbol timing synchronization according to a relationship between a sliding correlation peak generated when a sliding correlation is performed on the N1 generalized ZC sequences and a sliding correlation peak generated when a sliding correlation is performed on the N2 generalized ZC sequences. This has relatively low implementation complexity, compared with an existing method in which grid search should be performed multiple times to compensate for a relatively large phase rotation.

公开(公告)号：US20190306818A1

公开(公告)日：2019-10-03

申请号：US16444859

申请日：2019-06-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Kun YANG ,  Ronghui WEN ,  Guangwei YU ,  Wurong ZHANG

IPC: H04W56/00 ,  H04L27/26

Abstract: Embodiments of this application provide a synchronization signal sending method and apparatus. The method includes: obtaining an initial synchronization sequence, where a spectrum width corresponding to the initial synchronization sequence is greater than a bandwidth of a synchronization channel and is less than a sum of the bandwidth of the synchronization channel and a system protection bandwidth; dividing the initial synchronization sequence into N sub-synchronization sequences; carrying the N sub-synchronization sequences on N time-domain symbols; and sending the N time-domain symbols to a receiving apparatus. According to the synchronization signal sending method provided in the embodiments of this application, a bandwidth loss of a synchronization signal is reduced, and utilization and synchronization performance of a system synchronization bandwidth are improved.

公开(公告)号：US20190200238A1

公开(公告)日：2019-06-27

申请号：US16287645

申请日：2019-02-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haifeng YU ,  Feng YU ,  Tao ZHANG ,  Guangwei YU

IPC: H04W16/14 ,  H04L1/16

CPC classification number: H04W16/14 ,  H04L1/16 ,  H04L1/1607

Abstract: The method includes explicitly or implicitly notifying, by a network device, a terminal device of a mapping relationship, where the mapping relationship includes a mapping relationship between information about target data sent by the terminal device and indication information for feeding back an acknowledgment ACK/negative acknowledgment NACK by the network device, receiving, by the network device, the target data sent by the terminal device, determining, by the network device, the corresponding indication information based on the information about the target data and the mapping relationship, and feeding back, by the network device, the ACK/NACK to the terminal device based on the indication information for determining to feed back the ACK/NACK.

公开(公告)号：US20180343678A1

公开(公告)日：2018-11-29

申请号：US16052174

申请日：2018-08-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Tao ZHANG ,  Wurong ZHANG ,  Guangwei YU ,  Feng YU

IPC: H04W74/08 ,  H04W16/14 ,  H04W76/38 ,  H04W74/00 ,  H04L5/00

Abstract: Embodiments of the present application provide a data transmission method, and the method is used for communication between UE and a base station on an unlicensed spectrum. The method includes: sending, by the UE, a data packet to the base station and starting a timer during a current COD of the base station; determining a first end moment of the current COD; pausing the timer at the first end moment; determining a second end moment of an LP in a next COD of the base station; resuming the timer at the second end moment; and receiving, before the resumed timer expires, a response message from the base station. In the embodiments of the present application, the UE suspends the timer at the end moment of the previous COD and resumes the timer at the end moment of the LP of the next COD.

公开(公告)号：US20170013574A1

公开(公告)日：2017-01-12

申请号：US15246231

申请日：2016-08-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Song ZHU ,  Guangwei YU ,  Xiaolong GUO ,  Weiliang ZHANG

IPC: H04W56/00 ,  H04W16/26 ,  H04W72/04

CPC classification number: H04W56/001 ,  H04W16/26 ,  H04W48/08 ,  H04W72/042 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention provides a method, a device, and a system for notifying a terminal type supported by a current cell, so that a UE can identify the terminal type supported by the current cell as soon as possible. The method includes: carrying preset indication information in a downlink signal, where the indication information is used to indicate the terminal type supported by the current cell, the preset indication information is agreed upon by a network side and a terminal in advance, and the indication information is a synchronization sequence or a first indicator bit used to indicate the supported terminal type; and sending the downlink signal to the terminal.

Abstract translation: 本发明提供了一种用于通知当前小区支持的终端类型的方法，装置和系统，使得UE能够尽快地识别当前小区支持的终端类型。 该方法包括：在下行链路信号中携带预置指示信息，其中指示信息用于指示当前小区支持的终端类型，预先指示信息由网络侧和终端预先同意，并且该指示 信息是用于指示支持的终端类型的同步序列或第一指示符位; 并向终端发送下​​行链路信号。

公开(公告)号：US20160157212A1

公开(公告)日：2016-06-02

申请号：US14991694

申请日：2016-01-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Weiliang ZHANG ,  Guangwei YU ,  Zhijun LI ,  Yiling WU ,  Jianbing YANG

IPC: H04W72/04

CPC classification number: H04W72/04 ,  H04W16/06 ,  H04W16/14

Abstract: Embodiments of the disclosure provide a communication method and an apparatus thereof. The method includes: generating a first signal; and sending the first signal to a receiver over a first channel, where the first channel is one of multiple channels in a first band for narrowband communication, and at least a part of the first band is located in a guard band of a radio access network RAN. In the embodiments of the disclosure, a spectrum resource of a guard band of a RAN is used to establish a spectrum resource applicable to narrowband communication, thus improving spectrum utilization.

Abstract translation: 本公开的实施例提供了一种通信方法及其装置。 该方法包括：产生第一信号; 以及通过第一信道将第一信号发送到接收机，其中所述第一信道是用于窄带通信的第一频带中的多个信道之一，并且所述第一频带的至少一部分位于无线电接入网络的保护频带 RAN。 在本公开的实施例中，使用RAN的保护频带的频谱资源来建立适用于窄带通信的频谱资源，从而提高频谱利用率。