公开(公告)号：US11412548B2

公开(公告)日：2022-08-09

申请号：US16721198

申请日：2019-12-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Gengshi Wu ,  Xiaolei Tie ,  Jun Li ,  Chao Ma

IPC: H04W74/08 ,  H04W74/00 ,  H04W48/12 ,  H04W52/50 ,  H04L1/00 ,  H04W72/04 ,  H04W52/36 ,  H04W52/14

Abstract: This application provides a communication method and a device. The method includes: sending, by a terminal device to a network device, a random access preamble, receiving, by the terminal device, a random access response (RAR) from the network device, wherein the RAR indicates a first resource, and sending, by the terminal device, downlink channel quality indication information to the network device, wherein the downlink channel quality indication information is carried in a Message 3 on the first resource, and the downlink channel quality indication information is used to indicate downlink channel quality.

公开(公告)号：US11388710B2

公开(公告)日：2022-07-12

申请号：US17091183

申请日：2020-11-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Han Zhou ,  Meng Hua ,  Xiaolei Tie ,  Gengshi Wu ,  Yiling Wu

IPC: H04W72/12 ,  H04W72/04

Abstract: A method and apparatus is provided. The method includes: obtaining downlink control information, wherein the downlink control information is used to schedule downlink data, and the downlink control information carries time information indicating a time at which uplink information is sent; obtaining, through a system message or radio resource control signaling or a resource of a physical random access channel, information indicating a duration for sending the uplink information; receiving the downlink data; and sending the uplink information according to the time information and the information indicating the duration, wherein the uplink information is used to indicates whether the downlink data is correctly received.

公开(公告)号：US10772130B2

公开(公告)日：2020-09-08

申请号：US16022721

申请日：2018-06-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Han Zhou ,  Xiaolei Tie ,  Gengshi Wu

IPC: H04W74/08 ,  H04W72/04 ,  H04W74/00

Abstract: The present application discloses a random access method and apparatus. The method includes: grouping, by a network device, available random access resources into a plurality of random access resource groups; sending, by the network device, information about the plurality of random access resource groups to a terminal device; receiving, by the network device, a random access request that is sent by the terminal device based on the information about the plurality of random access resources groups; determining, by the network device, a target random access resource group to which a random access resource used for the random access request belongs; and determining, by the network device, an uplink transmission capability of the terminal device based on the target random access resource group.

公开(公告)号：US20170325205A1

公开(公告)日：2017-11-09

申请号：US15659774

申请日：2017-07-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Han Zhou ,  Meng Hua ,  Xiaolei Tie ,  Gengshi Wu ,  Yiling Wu

IPC: H04W72/04 ,  H04W72/12

Abstract: An uplink information sending method and apparatus is provided. The method includes obtaining, by user equipment, downlink control information DCI and downlink data, the DCI carries a portion of uplink scheduling information of the user equipment, the uplink information is used to indicate whether the user equipment receives the downlink data correctly, the portion of the uplink scheduling information is specifically indication information excluding a specific parameter of the user equipment, and the specific parameter includes at least one of an uplink modulation and coding scheme MCS or information used to indicate duration for sending the uplink information. The method also includes sending, by the user equipment, the uplink information according to the portion of the uplink scheduling information and the specific parameter, where the specific parameter is a parameter preset in the user equipment or a parameter received by the user equipment from a system message.

公开(公告)号：US09674003B2

公开(公告)日：2017-06-06

申请号：US14457877

申请日：2014-08-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shashi Kant ,  Fredrik Rusek ,  Gengshi Wu ,  Basuki Endah Priyanto ,  Sha Hu ,  Jianjun Chen

IPC: H04L25/02 ,  H04L25/03 ,  H04L1/18 ,  H04L25/06 ,  H04B7/04 ,  H04L1/00 ,  H04W72/08 ,  H04B7/0413

CPC classification number: H04L25/0204 ,  H04B7/0413 ,  H04L1/0017 ,  H04L1/1835 ,  H04L25/025 ,  H04L25/0256 ,  H04L25/03898 ,  H04L25/03949 ,  H04L25/067 ,  H04W72/085

Abstract: Receiver and method in a receiver, for iterative channel estimation and data decoding of signals received from a radio network node, located in a wireless communication network. The method comprises detecting a signal of the radio network node, performing channel estimation of the detected signal, based on iterative application of a Space Alternating Generalized Expectation and maximization, SAGE, algorithm, determining a channel/link quality, based on the performed channel estimation and the estimated channel parameters, selecting Multiple-Input and Multiple-Output, MIMO, detector, based on the determined channel quality, determining to enable and/or disable, respectively, soft-Iterative Channel Estimation, soft-ICE, based on the determined channel quality, and iterating the performed channel estimation for a predetermined number of times.

公开(公告)号：US20130188668A1

公开(公告)日：2013-07-25

申请号：US13714099

申请日：2012-12-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiqun Chen ,  Gengshi Wu ,  Feng Li ,  Xiuqin Peng

IPC: H04L25/02

CPC classification number: H04L25/02 ,  H04B1/7113 ,  H04B1/7115 ,  H04L25/0212

Abstract: Embodiments of the present invention provide a multipath searching method and a multipath searcher, to improve accuracy of delay estimation, thereby improving performance of a receiver. The method includes: performing processing on received signals ri(t) and pilot sequences pi(t) to obtain upsampling signals y(τ); subtracting contribution values of a current multipath waveform to other multipath waveforms by using a raised cosine function with a peak position set to zero and according to a global maximum value of |y(τ)|2 and a total of M sampling points {circumflex over (τ)}l(m) near the global maximum value, to obtain an upsampling signal yL(τ) having a minimum residual in M groups of upsampling signals yL(m)(τ); and obtaining a time delay power spectrum of the upsampling signal yL(τ) having the minimum residual.

Abstract translation: 本发明的实施例提供一种多路径搜索方法和多路径搜索器，以提高延迟估计的精度，从而提高接收机的性能。 该方法包括：对接收信号ri（t）和导频序列pi（t）执行处理以获得上采样信号y（τ）; 通过使用峰值位置设置为零并根据全局最大值| y（τ）| 2和总共M个采样点（回旋过程），将当前多径波形的贡献值减去其他多径波形 （τ）接近全局最大值，以获得在M组上采样信号yL（m）（τ）中具有最小残差的上采样信号yL（τ）; 并获得具有最小残差的上采样信号yL（τ）的时间延迟功率谱。

公开(公告)号：US09673880B2

公开(公告)日：2017-06-06

申请号：US14293772

申请日：2014-06-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaolei Tie ,  Huan Zhou ,  Gengshi Wu ,  Meng Hua ,  Wenquan Hu

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/04 ,  H04W52/32 ,  H04B7/0413 ,  H04L25/02

CPC classification number: H04B7/0608 ,  H04B7/0413 ,  H04B7/0465 ,  H04B7/0684 ,  H04L5/0023 ,  H04L5/005 ,  H04L5/0062 ,  H04L25/0226 ,  H04W52/325

Abstract: A pilot signal transmission method, a channel estimation method, and an apparatus are provided, and the method for a pilot signal transmission includes: transmitting a pilot signal 1 CPICH1 over a first antenna, and transmitting a pilot signal 2 CPICH2 over a second antenna; transmitting a pilot signal CPICHk1 over a k1th antenna; and when it is determined that a terminal of a first category in the MIMO system is scheduled, transmitting a pilot signal CPICHk2 over the k1th antenna. Interference caused by a pilot signal to a traditional terminal is better reduced, performance of the traditional terminal is ensured while the terminal of the first category properly works in the MIMO system, and power consumption for transmitting a pilot signal is effectively reduced.

公开(公告)号：US20130287152A1

公开(公告)日：2013-10-31

申请号：US13848522

申请日：2013-03-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Gengshi Wu ,  Meng Hua ,  Shurong Jiao ,  Xiaolei Tie

IPC: H04W52/02

CPC classification number: H04W52/02 ,  H04B1/0053 ,  H04W52/0209 ,  Y02D70/1244 ,  Y02D70/40

Abstract: The present invention discloses a multi-carrier receiving device and method. The multi-carrier receiving device includes an antenna, a splitter, a plurality of analog extraction modules, a combiner, an analog-to-digital converter, and a plurality of digital extraction modules, where input ends of the plurality of analog extraction modules are connected to an output end of the splitter; an input end of the combiner is connected to output ends of the plurality of analog extraction modules, and an output end of the combiner is connected to an input end of the analog-to-digital converter; an output end of the analog-to-digital converter is connected to each of the plurality of digital extraction modules; and the plurality of digital extraction modules extracts a single-carrier digital signal from a digital signal obtained after analog-to-digital conversion.

Abstract translation: 本发明公开了一种多载波接收装置及方法。 多载波接收装置包括天线，分离器，多个模拟提取模块，组合器，模数转换器和多个数字提取模块，其中多个模拟提取模块的输入端为 连接到分路器的输出端; 组合器的输入端连接到多个模拟提取模块的输出端，并且组合器的输出端连接到模拟 - 数字转换器的输入端; 模数转换器的输出端连接到多个数字提取模块中的每一个; 并且多个数字提取模块从模数转换后获得的数字信号中提取单载波数字信号。

公开(公告)号：US20150078312A1

公开(公告)日：2015-03-19

申请号：US14549323

申请日：2014-11-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Meng Hua ,  Gengshi Wu ,  Xueli Ma ,  Zongjie Wang ,  Shuju Fan ,  Shurong Jiao

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/066 ,  H04B7/0456 ,  H04B7/0632 ,  H04B7/0639 ,  Y02D70/122 ,  Y02D70/1244 ,  Y02D70/444

Abstract: Embodiments of the present invention disclose a method for feeding back uplink control information in a downlink MIMO mode and a user equipment, which are used to implement that a UE feeds back control information to a base station, are applicable to a precoding weight set restriction application scenario, and reduce transmit power of the UE while ensuring HS-DPCCH receive performance of the base station. The method provided by the embodiments of the present invention includes: generating, by a UE, 1-bit precoding control indicator (PCI) information; generating, by the UE, channel quality indicator (CQI) information; performing, by the UE, joint encoding on the PCI information and the CQI information, to obtain a joint encoding result; and feeding back, by the UE, the joint encoding result to a base station through an uplink high speed dedicated physical control channel (HS-DPCCH).

Abstract translation: 本发明的实施例公开了一种用于反馈下行MIMO模式中的上行链路控制信息和用于实现UE向基站反馈控制信息的用户设备的方法，其适用于预编码权重集限制应用 并且在确保HS-DPCCH接收基站的性能的同时降低UE的发射功率。 本发明实施例提供的方法包括：由UE生成1比特预编码控制指示符（PCI）信息; 由UE生成信道质量指示符（CQI）信息; 通过UE执行对PCI信息和CQI信息的联合编码，以获得联合编码结果; 并由UE通过上行高速专用物理控制信道（HS-DPCCH）向基站反馈联合编码结果。

公开(公告)号：US20140341162A1

公开(公告)日：2014-11-20

申请号：US14449370

申请日：2014-08-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yi Yang ,  Gengshi Wu ,  Meng Hua ,  Xiaolei Tie ,  Shurong Jiao

IPC: H04L5/00 ,  H04W72/14 ,  H04W24/02

CPC classification number: H04L5/0053 ,  H04L1/0007 ,  H04L1/0015 ,  H04W24/02 ,  H04W72/14

Abstract: A method and an apparatus for selecting a transport format are provided. The method includes: receiving a transport format parameter of a user equipment sent by a base station, where the transport format parameter of the user equipment includes a primary stream grant value and an association between the primary stream and the secondary stream; determining a maximum transport block length of the primary stream according to a preset value of the maximum transmit power of the user equipment and the association between the primary stream and the secondary stream; determining an actual transport block length of the primary stream according to a size relationship between a theoretical transport block length of the primary stream and the maximum transport block length; and determining a transport block length of the secondary stream.

Abstract translation: 提供了一种用于选择传输格式的方法和装置。 该方法包括：接收由基站发送的用户设备的传输格式参数，其中用户设备的传输格式参数包括主流授权值以及主流与次流之间的关联; 根据用户设备的最大发射功率的预设值和主流与次流之间的关联确定主流的最大传输块长度; 根据主流的理论传输块长度和最大传输块长度之间的大小关系确定主流的实际传输块长度; 以及确定次流的传输块长度。