公开(公告)号：US20200022185A1

公开(公告)日：2020-01-16

申请号：US16583702

申请日：2019-09-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jun LUO ,  Jiayin ZHANG ,  Lei HUANG

IPC: H04W74/08 ,  H04W56/00

Abstract: Embodiments of this application provide a signal transmission method and a device. The method includes: performing, by a network device, idle carrier sense in a downlink beam direction when a predefined sending time of each synchronization frame in a synchronization frame set arrives, where the synchronization frame set includes N synchronization frames, and each synchronization frame includes at least one synchronization signal block; and sending a synchronization signal block to a terminal in the downlink beam direction in a synchronization frame in which idle carrier sense succeeds, where the synchronization signal block includes a synchronization signal. The network device performs idle carrier sense in the downlink beam direction when the predefined sending time of each synchronization frame arrives, and sends the synchronization signal block including the synchronization signal in the downlink beam direction in the synchronization frame in which idle carrier sense succeeds.

公开(公告)号：US20190238378A1

公开(公告)日：2019-08-01

申请号：US16381126

申请日：2019-04-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhengzheng XIANG ,  Jun ZHU ,  Jiayin ZHANG ,  Jiyong PANG

IPC: H04L27/26 ,  H04L5/00 ,  H04L25/02 ,  H04W28/06

Abstract: Information transmission methods and apparatuses in a wireless local area network are provided. One example method includes generating a legacy signaling field (L-SIG) and a repeated legacy signaling field (RL-SIG), where subcarriers with indexes −28, −27, 27, and 28 in the L-SIG and the RL-SIG in a 20 MHz bandwidth carry −1, −1, −1, and 1, respectively. The method also includes sending the generated L-SIG and RL-SIG.

公开(公告)号：US20170079033A1

公开(公告)日：2017-03-16

申请号：US15360219

申请日：2016-11-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yingpei LIN ,  Jiayin ZHANG ,  Jun LUO

IPC: H04W72/04 ,  H04W72/12

CPC classification number: H04W72/0446 ,  H04W72/0453 ,  H04W72/1252 ,  H04W72/1257 ,  H04W84/12

Abstract: This application provides a transmission resource determining method, an access point, and a station, where the method includes: determining, by a wireless local area network access point, transmission resource information of first M transmission timeslots in a schedule window when obtaining a right of using a channel, where the channel is a wireless channel in an unlicensed frequency band, and M is a positive integer; and sending, by the access point, the transmission resource information to a station STA after entering the schedule window. According to the method, quality of service QoS of a service that needs to be transmitted periodically or transmitted persistently can be ensured.

Abstract translation: 本申请提供了一种传输资源确定方法，接入点和站，其中该方法包括：当获取一个权限时，由无线局域网接入点确定调度窗口中的第一M个传输时隙的传输资源信息 使用信道，其中信道是非许可频带中的无线信道，M是正整数; 并且在进入调度窗口之后，由接入点将发送资源信息发送到站STA。 根据该方法，可以确保需要定期或持续发送的业务的业务质量QoS。

公开(公告)号：US20160249227A1

公开(公告)日：2016-08-25

申请号：US15143154

申请日：2016-04-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongming LIANG ,  Lei HUANG ,  Yi WANG ,  Jiayin ZHANG

IPC: H04W16/14 ,  H04B17/345

CPC classification number: H04W16/14 ,  H04B17/345 ,  H04W16/10 ,  H04W52/143 ,  H04W52/146 ,  H04W52/243 ,  H04W84/12

Abstract: The present disclosure provides a method and a device for eliminating inter-system neighbor cell interference. The method includes the following steps: receiving, by a first wireless access device, a first interference indication, where the first interference indication is sent by a first terminal when the first terminal detects that neighbor cell interference caused by a second terminal to the first terminal is greater than or equal to a preset threshold, the first interference indication is used for indicating that the first terminal suffers the neighbor cell interference; sending, by the first wireless access device, a decreasing interference indication to a second wireless access device corresponding to the second terminal when determining that the first terminal suffers the neighbor cell interference from the second terminal, so that the second wireless access device executes a decreasing interference strategy to eliminate neighbor cell interference between the first terminal and the second terminal.

Abstract translation: 本公开提供了一种用于消除系统间相邻小区干扰的方法和装置。 该方法包括以下步骤：由第一无线接入设备接收第一干扰指示，其中当第一终端检测到由第二终端到第一终端引起的相邻小区干扰时，由第一终端发送第一干扰指示 大于或等于预设阈值时，第一干扰指示用于指示第一终端遭受相邻小区干扰; 当确定第一终端遭受来自第二终端的相邻小区干扰时，由第一无线接入设备向与第二终端相对应的第二无线接入设备发送减少的干扰指示，使得第二无线接入设备执行递减 干扰策略，以消除第一终端和第二终端之间的相邻小区干扰。

公开(公告)号：US20160080127A1

公开(公告)日：2016-03-17

申请号：US14946334

申请日：2015-11-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yalin LIU ,  Jiayin ZHANG ,  Yi LUO

IPC: H04L5/00 ,  H04L25/02 ,  H04W72/04

CPC classification number: H04L5/0053 ,  H04L5/0048 ,  H04L25/0202 ,  H04L27/2613 ,  H04L27/2692 ,  H04W72/0453

Abstract: The present disclosure discloses a method and an apparatus for generating a long training sequence and sending a signal, and belongs to the field of wireless communications. The method includes: obtaining a plurality of long training sequences according to a system parameter and a preset sequence construction formula, wherein the plurality of long training sequences include a plurality of basic training sequences and a plurality of shift training sequences obtained according to cyclic shift of the basic training sequences; and configuring a mapping rule between a terminal device and a long training sequence, for enabling the terminal device to select a long training sequence according to the mapping rule as a long training sequence for sending a signal. By adopting the present disclosure, energy consumption of the receiving end may be reduced and accuracy of channel estimation may be improved.

Abstract translation: 本公开公开了一种用于生成长训练序列和发送信号的方法和装置，属于无线通信领域。 该方法包括：根据系统参数和预设序列构造公式获得多个长训练序列，其中所述多个长训练序列包括多个基本训练序列和根据循环移位获得的多个移位训练序列 基本训练序列; 以及配置终端设备和长训练序列之间的映射规则，用于使终端设备能够根据映射规则选择长训练序列作为用于发送信号的长训练序列。 通过采用本公开，可以减少接收端的能量消耗，并且可以提高信道估计的精度。

公开(公告)号：US20150326296A1

公开(公告)日：2015-11-12

申请号：US14744796

申请日：2015-06-19

Applicant: Huawei Technologies Co., Ltd. ,  Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.

Inventor： Lars THIELE ,  Kai Börner ,  Martin KURRAS ,  Thomas WIRTH ,  Michael OLBRICH ,  Thomas HAUSTEIN ,  Malte SCHELLMANN ,  Egon SCHULZ ,  Jiayin ZHANG ,  Yinggang DU

IPC: H04B7/04 ,  H04B7/06 ,  H04B7/02

CPC classification number: H04B7/024 ,  H04B7/022 ,  H04B7/0486 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/0689

Abstract: A base band unit, BBU, in a wireless cellular heterogeneous network, the BBU being provided in a transmission node cluster, TNC, of transmission nodes, TNs, of neighbouring cells of the wireless cellular heterogeneous network, wherein the BBU comprises generic hierarchical precoding codebooks, CBs, each CB comprising cluster precoding matrices, CPMs, and each CPM is provided for a possible combination of active TNs within the TNC.

Abstract translation: 在无线蜂窝异构网络中的基带单元BBU，BBU被提供在无线蜂窝异构网络的相邻小区的传输节点TN的传输节点簇TNC中，其中BBU包括通用分层预编码码本 CB，每个CB包括簇预编码矩阵，CPM和每个CPM被提供用于TNC内的活动TN的可能组合。

公开(公告)号：US20150009852A1

公开(公告)日：2015-01-08

申请号：US14491590

申请日：2014-09-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dageng CHEN ,  Xiaoyan BI ,  Jiayin ZHANG

IPC: H04B7/02 ,  H04B7/06

CPC classification number: H04B7/024 ,  H04B7/0632 ,  Y02D70/00 ,  Y02D70/1262 ,  Y02D70/442 ,  Y02D70/444

Abstract: A downlink channel quality information acquisition method includes: a transmission node in a coordinated node set acquires the noise receiving power of a user equipment (UE11) and the interference power on the UE11 of a node in a non-coordinated set; the transmission node in the coordinated node set acquires, via the transmission node in the coordinated node set, an inter-user interference power during the multi-user scheduling and the effective signal receiving power of the UE11; the transmission node in the coordinated node set acquires the interference power on the UE11 of a non-transmission node in the coordinated set; calculating the ratio between the effective signal receiving power and the sum of an interference source power and the noise receiving power of the UE11, and using the ratio as the value of the downlink CQI between the transmission node and the UE11.

Abstract translation: 下行链路信道质量信息获取方法包括：协调节点集中的传输节点获取用户设备（UE11）的噪声接收功率和非协调集合中的节点的UE11的干扰功率; 协调节点集中的传输节点通过协调节点集中的传输节点获取多用户调度期间的用户间干扰功率和UE11的有效信号接收功率; 协调节点集中的传输节点获取协调集中的非传输节点的UE11的干扰功率; 计算有效信号接收功率与干扰源功率和UE11的噪声接收功率之和的比率，并将该比率用作发送节点与UE11之间的下行链路CQI的值。

公开(公告)号：US20250168921A1

公开(公告)日：2025-05-22

申请号：US19035471

申请日：2025-01-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Meng SHI ,  Jiayin ZHANG

IPC: H04W76/27 ,  H04W72/231

Abstract: This application provides a communication method. The method includes: A terminal device receives a radio resource control RRC setup message from a network device. The RRC setup message includes a first parameter and first information. The first information is for configuring a scheduling-free uplink resource, and the first parameter is for determining valid duration of the scheduling-free uplink resource. The terminal device sends an RRC setup complete message to the network device on the scheduling-free uplink resource within the valid duration. In this way, scheduling-free transmission in an initial access phase is implemented.

公开(公告)号：US20250168797A1

公开(公告)日：2025-05-22

申请号：US19034861

申请日：2025-01-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shuri LIAO ,  Meng SHI ,  Xiaoyu ZHANG ,  Jiayin ZHANG ,  Shengyue DOU

IPC: H04W56/00 ,  H04B7/06 ,  H04L1/1607

Abstract: A synchronization signal block transmission method. When a terminal device receives at least one of N SSBs; and the terminal device determines a time position of a first SSB based on a number of the first SSB in the at least one SSB and a sending parameter, where the sending parameter is used to determine N candidate sending positions for transmitting the N SSBs in one periodicity T1, the N candidate sending positions are in at least two system frames, and the sending parameter includes one or more of the following parameters: a sweeping periodicity T3, a quantity of candidate sending positions included in each system frame, a time interval between two consecutive system frames of candidate sending positions included in each periodicity T1, and a quantity of system frames of the candidate sending positions included in each periodicity T1.

公开(公告)号：US20240040392A1

公开(公告)日：2024-02-01

申请号：US18477056

申请日：2023-09-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Liang QIAO ,  Keyvan ZARIFI ,  Jiayin ZHANG

IPC: H04W16/14 ,  H04W48/16 ,  H04W48/10

CPC classification number: H04W16/14 ,  H04W48/16 ,  H04W48/10

Abstract: This application provides a communication method and apparatus. The method is applied to an unlicensed band, and includes: receiving first information sent by a network device, where the first information includes a Q value or a first parameter, and the first parameter indicates a status of a discovery burst transmission window DBTW; and determining the status of the DBTW based on the Q value or the first parameter. According to the solution provided in this application, a terminal device can determine the status of the DBTW, to quickly implement timing synchronization with the network device.