公开(公告)号：US08918054B2

公开(公告)日：2014-12-23

申请号：US13730700

申请日：2012-12-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Gengshi Wu ,  Wenkang Guan ,  Chunling Zhang ,  Zhiqun Chen ,  Nian Peng

IPC: H04B1/12 ,  H04B1/7107 ,  H04B15/00 ,  H04J11/00

CPC classification number: H04B15/00 ,  H04J11/005

Abstract: Embodiments of the present invention provide an interference elimination method, an interference elimination device and a communication system, which are used to implement the effective elimination of signal interference of a receiving end. The method includes: according to a received signal, reconstructing a main cell signal, obtaining the reconstructed main cell signal, and subtracting the reconstructed main cell signal from the received signal, so as to obtain a first residual signal; according to the first residual signal, reconstructing an interference cell signal, and obtaining the reconstructed interference cell signal; and according to the received signal and the reconstructed interference cell signal, obtaining an interference-eliminated main cell signal. According to the interference elimination method, the interference elimination device and the communication system in the embodiments of the present invention, the interference elimination may be performed on the received signal effectively.

Abstract translation: 本发明的实施例提供了一种用于实现有效消除接收端的信号干扰的干扰消除方法，干扰消除装置和通信系统。 该方法包括：根据接收到的信号，重建主信元信号，获得重构的主信元信号，并从接收信号中减去重构的主信元信号，得到第一残差信号; 根据所述第一残差信号，重建干扰小区信号，获得所述重建的干扰小区信号; 并根据接收到的信号和重建的干扰小区信号，获得干扰消除的主小区信号。 根据干扰消除方法，本发明的实施例中的干扰消除装置和通信系统可以有效地对接收到的信号执行干扰消除。

公开(公告)号：US20140362834A1

公开(公告)日：2014-12-11

申请号：US14469829

申请日：2014-08-27

Applicant: Huawei Technologies Co., Ltd.

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

IPC: H04L5/00 ,  H04B7/04

CPC classification number: H04L5/003 ,  H04B7/0413 ,  H04W72/1289

Abstract: A scheduling information transmission method, device, and communications system are provided. The method includes: generating a channel attribute parameter and a serving grant (SG), where the channel attribute parameter and the SG are used for data scheduling of uplink multiple input multiple output (MIMO); and delivering the channel attribute parameter and the SG to a user equipment (UE) through a target channel, where the channel attribute parameter is used by the UE to determine a primary-stream enhanced dedicated channel transport format combination indicator (E-TFCI) and a secondary-stream E-TFCI. In the scheduling information transmission method, device, and communications system that are provided in embodiments of the present invention, the determined E-TFCIs can better adapt to different channel conditions, which improves data transmission performance.

Abstract translation: 提供了一种调度信息传输方法，设备和通信系统。 该方法包括：生成信道属性参数和服务许可（SG），其中信道属性参数和SG用于上行链路多输入多输出（MIMO）的数据调度; 以及通过目标信道向用户设备（UE）传递信道属性参数和SG，其中，UE使用信道属性参数来确定主流增强专用信道传输格式组合指示符（E-TFCI）和 二级流E-TFCI。 在本发明的实施例中提供的调度信息发送方法，设备和通信系统中，所确定的E-TFCI可以更好地适应不同的信道条件，这提高了数据传输性能。

公开(公告)号：US20140348120A1

公开(公告)日：2014-11-27

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 ,  H04W72/08 ,  H04L1/00 ,  H04B7/04

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 Generalised Expectation and maximisation, 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.

Abstract translation: 接收机中的接收机和方法，用于迭代信道估计和从位于无线通信网络中的无线电网络节点接收的信号的数据解码。 该方法包括：基于所执行的信道估计，基于迭代应用空间交替广义期望和最大化，SAGE，算法，确定信道/链路质量，检测无线电网络节点的信号，执行检测信号的信道估计 和估计的信道参数，基于所确定的信道质量选择多输入和多输出MIMO检测器，基于所确定的信道质量确定分别启用和/或禁用软迭代信道估计，软ICE 信道质量，并且对所执行的信道估计迭代预定次数。

公开(公告)号：US08725201B2

公开(公告)日：2014-05-13

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: H04B1/04

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：US20210058911A1

公开(公告)日：2021-02-25

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: H04W72/04 ,  H04W72/12

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：US20180316532A1

公开(公告)日：2018-11-01

申请号：US16025697

申请日：2018-07-02

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Xiaolei Tie ,  Yubo Yang ,  Gengshi Wu ,  Yiling Wu

IPC: H04L27/26 ,  H04W72/04

Abstract: A data transmission method in the present application includes: determining, by first UE, a frame structure in a time unit, where the frame structure indicates that N type-1 OFDM symbols and a GP are included in the time unit, and a subcarrier spacing of each type-1 OFDM symbol is Δf1. Therefore, according to the data transmission method and the user equipment in embodiments of the present application, a frame structure in a time unit is determined. The frame structure indicates that N type-1 OFDM symbols and a GP are included in the time unit, and a subcarrier spacing of each type-1 OFDM symbol is Δf1. Therefore, when an NB-IOT system is deployed in an LTE system in an embedded manner, and when NB-IOT UE is sending data, a channel resource of the legacy LTE system can be adequately utilized, and a conflict with a legacy LTE SRS can be avoided.

公开(公告)号：US09621320B2

公开(公告)日：2017-04-11

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: H04W72/14 ,  H04L5/00 ,  H04L1/00 ,  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.

公开(公告)号：US09485002B2

公开(公告)日：2016-11-01

申请号：US14068607

申请日：2013-10-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

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

IPC: H04L25/03 ,  H04B7/08 ,  H04L27/26 ,  H04W28/04 ,  H04B7/04

CPC classification number: H04B7/0837 ,  H04B7/0413 ,  H04L25/03171 ,  H04L25/0328 ,  H04L25/03821 ,  H04L25/03968 ,  H04L27/2691 ,  H04W28/04

Abstract: The present invention relates to an equalizing method in a receiver node of a cellular wireless communication system, the method comprising: receiving at least one radio signal comprising a plurality of resource elements; obtaining interference information associated with the plurality of resource elements; extracting resource elements from the plurality of resource elements carrying data into a first set based on the interference information; dividing the resource elements in the first set into one or more sub-sets each comprising T number of resource elements; filtering the resource elements in said one or more sub-sets by applying a balanced whitening and energy focusing filter W so as to obtain filtered resource elements y; and equalizing the filtered resource elements y. The invention also relates to a receive device, a computer program, and a computer program product.

Abstract translation: 本发明涉及蜂窝无线通信系统的接收机节点中的均衡方法，所述方法包括：接收包括多个资源元素的至少一个无线电信号; 获得与所述多个资源元素相关联的干扰信息; 基于所述干扰信息，从携带数据的所述多个资源元素提取资源元素到第一集合; 将第一组中的资源元素划分成每个包括T个资源元素的一个或多个子集; 通过应用平衡白化和能量聚焦滤波器W对所述一个或多个子集中的资源元素进行滤波，以获得滤波后的资源元素y; 并均衡经过过滤的资源元素y。 本发明还涉及接收设备，计算机程序和计算机程序产品。

公开(公告)号：US20160080029A1

公开(公告)日：2016-03-17

申请号：US14950805

申请日：2015-11-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Meng Hua ,  Zongjie Wang ,  Carmela Cozzo ,  Xiaolei Tie ,  Shurong Jiao ,  Shuju Fan ,  Gengshi Wu

IPC: H04B1/7097 ,  H04B7/04

CPC classification number: H04B1/7097 ,  H04B7/0413 ,  H04B7/0417 ,  H04B2201/709709 ,  H04L1/0026 ,  H04L1/0029 ,  H04L1/0071 ,  H04L1/06

Abstract: A method for transmitting data streams in a multiple input multiple output (MIMO) system is provided, where each data stream is mapped to multiple layers in an MIMO channel space for transmission, and the method includes: performing inter-layer interleaving for N data streams to obtain N interleaved data streams; mapping the N interleaved data streams respectively to N layers in the MIMO channel space, and transmitting the N interleaved data streams that are mapped to the N layers. By using the method of the present invention, a combined CQI can be used in a better way to improve MIMO transmission performance. Further, an impact of inter-layer interference is canceled by using an interference cancellation technology (for example, an SIC technology) based on the inter-layer interleaving.

Abstract translation: 提供一种在多输入多输出（MIMO）系统中传输数据流的方法，其中每个数据流被映射到MIMO信道空间中的多个层以用于传输，并且该方法包括：对N个数据流进行层间交织 获得N个交错数据流; 将N个交错数据流分别映射到MIMO信道空间中的N个层，以及发送映射到N个层的N个交织数据流。 通过使用本发明的方法，可以以更好的方式使用组合的CQI来改善MIMO传输性能。 此外，通过使用基于层间交织的干扰消除技术（例如，SIC技术）来消除层间干扰的影响。

公开(公告)号：US09219575B2

公开(公告)日：2015-12-22

申请号：US14272870

申请日：2014-05-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Meng Hua ,  Zongjie Wang ,  Carmela Cozzo ,  Xiaolei Tie ,  Shurong Jiao ,  Shuju Fan ,  Gengshi Wu

IPC: H04K1/10 ,  H04L27/28 ,  H04L1/00 ,  H04B7/04 ,  H04L1/06

CPC classification number: H04B1/7097 ,  H04B7/0413 ,  H04B7/0417 ,  H04B2201/709709 ,  H04L1/0026 ,  H04L1/0029 ,  H04L1/0071 ,  H04L1/06

Abstract: A method for transmitting data streams in a multiple input multiple output (MIMO) system is provided, where each data stream is mapped to multiple layers in an MIMO channel space for transmission, and the method includes: performing inter-layer interleaving for N data streams to obtain N interleaved data streams; mapping the N interleaved data streams respectively to N layers in the MIMO channel space, and transmitting the N interleaved data streams that are mapped to the N layers. By using the method of the present invention, a combined CQI can be used in a better way to improve MIMO transmission performance. Further, an impact of inter-layer interference is canceled by using an interference cancellation technology (for example, an SIC technology) based on the inter-layer interleaving.

Abstract translation: 提供了一种在多输入多输出（MIMO）系统中发送数据流的方法，其中每个数据流被映射到MIMO信道空间中的多个层以用于传输，并且该方法包括：对N个数据流进行层间交织 获得N个交错数据流; 将N个交错数据流分别映射到MIMO信道空间中的N个层，以及发送映射到N个层的N个交织数据流。 通过使用本发明的方法，可以以更好的方式使用组合的CQI来改善MIMO传输性能。 此外，通过使用基于层间交织的干扰消除技术（例如，SIC技术）来消除层间干扰的影响。