公开(公告)号：US09461739B2

公开(公告)日：2016-10-04

申请号：US14063787

申请日：2013-10-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng Liu ,  Rui Wang

IPC: H04B10/00 ,  H04B10/114 ,  H04B10/112 ,  H04L5/00 ,  H04B10/116 ,  H04W72/04 ,  H04W88/08 ,  H04W28/06 ,  H04W72/00

CPC classification number: H04B10/1149 ,  H04B10/00 ,  H04B10/1125 ,  H04B10/114 ,  H04B10/116 ,  H04L5/0007 ,  H04W28/06 ,  H04W72/00 ,  H04W72/04 ,  H04W88/08

Abstract: Embodiments of the present invention provide a wireless communication method, base station and system. The base station includes several LED lights and/or several VLC/IR receivers. The several LED lights are configured to send downlink signals in an OFDMA standard to a user terminal, and the several VLC/IR receivers are configured to receive uplink signals that are of an SC-FDMA standard and sent by the user terminal. The base station further includes a baseband signal processing unit configured to equate the several LED lights and/or the several VLC/IR receivers with radio remote units of an LTE mode to perform processing and resource management. The embodiments of the present invention are capable of reusing baseband signal processing and resource management manners in an existing LTE system, thereby simplifying resource management and baseband signal processing operations performed by the base station, and saving the base station resources.

Abstract translation: 本发明的实施例提供一种无线通信方法，基站和系统。 基站包括几个LED灯和/或几个VLC / IR接收器。 多个LED灯被配置为以OFDMA标准向用户终端发送下​​行链路信号，并且若干VLC / IR接收机被配置为接收由用户终端发送的SC-FDMA标准的上行链路信号。 基站还包括：基带信号处理单元，被配置为将多个LED灯和/或多个VLC / IR接收器与LTE模式的无线电远程单元相等，以执行处理和资源管理。 本发明的实施例能够在现有LTE系统中重用基带信号处理和资源管理方式，从而简化基站执行的资源管理和基带信号处理操作，并节省基站资源。

公开(公告)号：US09439243B2

公开(公告)日：2016-09-06

申请号：US14161518

申请日：2014-01-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng Liu ,  Rui Wang ,  Hong Cheng

IPC: H04W88/12 ,  H04W84/04 ,  H04W84/02 ,  H04W88/14 ,  H04W88/16

CPC classification number: H04W88/12 ,  H04W84/02 ,  H04W84/042 ,  H04W88/14 ,  H04W88/16

Abstract: The present invention provides a new system structure of mobile cellular system based on layered cloud computing. A core network part of the system structure includes a CRG node, and an access network part includes an MC node and a DU node. The system structure proposed in the present invention is compatible with all conventional mobile air interface protocols, supports the layered cloud computing function, and is capable of providing joint signal processing and joint scheduling, flexibly allocating computing resources among nodes, and compressing the structure of the core network, so that larger network data throughput can be provided for users with lower deployment cost.

Abstract translation: 本发明提供了一种基于分层云计算的移动蜂窝系统的新系统结构。 所述系统结构的核心网络部分包括CRG节点，并且接入网络部分包括MC节点和DU节点。 本发明提出的系统结构与所有常规移动空中接口协议兼容，支持分层云计算功能，能够提供联合信号处理和联合调度，灵活分配节点间的计算资源，并压缩 核心网络，从而可以为具有较低部署成本的用户提供更大的网络数据吞吐量。

公开(公告)号：US09414281B2

公开(公告)日：2016-08-09

申请号：US14092397

申请日：2013-11-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Sheng Liu

IPC: H04W36/22 ,  H04L12/721

CPC classification number: H04W36/22 ,  H04L45/38

Abstract: An embodiment of the present invention provides a data transmission method, which includes: receiving offloading control signaling sent by a user equipment, where the offloading control signaling carries a cellular network identifier and a wireless local area network WLAN identifier of the user equipment; establishing correspondence between the WLAN identifier of the user equipment and all bearer channels of the user equipment; determining a bearer channel corresponding to all or a part of the user data streams. Embodiments of the present invention further provide a corresponding device and system. Through the technical solutions of the embodiments of the present invention, a transmission rate of a system can be increased.

Abstract translation: 本发明实施例提供了一种数据传输方法，包括：接收由用户设备发送的卸载控制信令，其中卸载控制信令携带用户设备的蜂窝网络标识符和无线局域网WLAN标识符; 建立用户设备的WLAN标识与用户设备的所有承载信道之间的对应关系; 确定对应于所有或一部分用户数据流的承载信道。 本发明的实施例还提供了相应的装置和系统。 通过本发明实施例的技术方案，可以提高系统的传输速率。

公开(公告)号：US20150180640A1

公开(公告)日：2015-06-25

申请号：US14639731

申请日：2015-03-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng Liu

IPC: H04L5/14 ,  H04B1/40

CPC classification number: H04L5/1461 ,  H04B1/1081 ,  H04B1/40 ,  H04B1/525

Abstract: Embodiments of the present invention provide a method, an apparatus, and a system for processing an interference signal, so as to eliminate an interference signal in a full duplex multi-antenna system. The method includes: receiving a radio signal, where the signal includes a self-interference signal of a transmit antenna, and the self-interference signal includes a first self-interference signal, and a second self-interference signal; performing primary interference cancellation processing, by using a first reference signal, on the received signal to eliminate the first self-interference signal; and performing secondary interference cancellation processing, by using a second reference signal, on the signal after the primary interference cancellation processing to eliminate the second self-interference signal.

Abstract translation: 本发明的实施例提供一种用于处理干扰信号的方法，装置和系统，以便消除全双工多天线系统中的干扰信号。 该方法包括：接收无线电信号，其中所述信号包括发射天线的自干扰信号，并且所述自干扰信号包括第一自干扰信号和第二自干扰信号; 通过使用第一参考信号对接收到的信号执行主干扰消除处理以消除第一自干扰信号; 以及通过使用第二参考信号对所述主干扰消除处理之后的信号执行二次干扰消除处理以消除所述第二自干扰信号。

公开(公告)号：US08953717B2

公开(公告)日：2015-02-10

申请号：US13779332

申请日：2013-02-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rongdao Yu ,  Sheng Liu

IPC: H04L27/00 ,  H03K9/00 ,  H04L1/00

CPC classification number: H04L1/0054 ,  H04L1/005 ,  H04L1/0066 ,  H04L1/0076 ,  H04L1/0077 ,  H04L2001/0097

Abstract: A method includes: demodulating a signal transmitted by a first source end that is received to obtain a first log-likelihood ratio; demodulating a signal transmitted by a second source end that is received to obtain a second log-likelihood ratio; demodulating a signal transmitted by a relay node that is received to obtain a third log-likelihood ratio; based on an exclusive OR feature of network coding, processing the first log-likelihood ratio, the second log-likelihood ratio, and the third log-likelihood ratio to obtain a posterior log-likelihood ratio of the first source end; and decoding the signal transmitted by the first source end that is received by using the posterior log-likelihood ratio of the first source end.

Abstract translation: 一种方法包括：解调由第一源端发送的信号，以获得第一对数似然比; 解调由第二源端发送的信号，以获得第二对数似然比; 解调由接收的中继节点发送的信号以获得第三对数似然比; 基于网络编码的异或特征，处理第一对数似然比，第二对数似然比和第三对数似然比以获得第一源端的后对数似然比; 以及对通过使用第一源端的后对数似然比接收的由第一源端发送的信号进行解码。

公开(公告)号：US20140133446A1

公开(公告)日：2014-05-15

申请号：US14161518

申请日：2014-01-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng Liu ,  Rui Wang ,  Hong Cheng

IPC: H04W88/12 ,  H04W84/02

CPC classification number: H04W88/12 ,  H04W84/02 ,  H04W84/042 ,  H04W88/14 ,  H04W88/16

Abstract: The present invention provides a new system structure of mobile cellular system based on layered cloud computing. A core network part of the system structure includes a CRG node, and an access network part includes an MC node and a DU node. The system structure proposed in the present invention is compatible with all conventional mobile air interface protocols, supports the layered cloud computing function, and is capable of providing joint signal processing and joint scheduling, flexibly allocating computing resources among nodes, and compressing the structure of the core network, so that larger network data throughput can be provided for users with lower deployment cost.

Abstract translation: 本发明提供了一种基于分层云计算的移动蜂窝系统的新系统结构。 所述系统结构的核心网络部分包括CRG节点，并且接入网络部分包括MC节点和DU节点。 本发明提出的系统结构与所有常规移动空中接口协议兼容，支持分层云计算功能，能够提供联合信号处理和联合调度，灵活分配节点间的计算资源，并压缩 核心网络，从而可以为具有较低部署成本的用户提供更大的网络数据吞吐量。

公开(公告)号：US08693456B2

公开(公告)日：2014-04-08

申请号：US13731132

申请日：2012-12-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng Liu

IPC: H04W4/00 ,  H04L12/28

CPC classification number: H04W72/04 ,  H04L47/125 ,  H04W28/0231 ,  H04W28/08 ,  H04W76/16 ,  H04W88/16

Abstract: A method, system, and device for radio network aggregation are applied in communication technologies. The method for radio network aggregation transmission includes: obtaining location information of a user equipment on at least two radio networks; obtaining, according to the location information, network load information of each radio network where the user equipment is currently located; determining, according to the network load information and a preset policy, a way in which data streams of the user equipment are transmitted by using the at least two radio access technologies; and transmitting the data streams of the user equipment in the determined way. Thereby, radio network aggregation is implemented.

Abstract translation: 通信技术应用无线网络聚合的方法，系统和设备。 无线网络聚合传输方法包括：在至少两个无线网络上获取用户设备的位置信息; 根据位置信息获取用户设备当前所在的每个无线网络的网络负载信息; 根据所述网络负载信息和预设策略，确定通过使用所述至少两个无线接入技术发送所述用户设备的数据流的方式; 以确定的方式发送用户设备的数据流。 从而实现无线网络聚合。

公开(公告)号：US08660225B2

公开(公告)日：2014-02-25

申请号：US13873940

申请日：2013-04-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng Liu ,  Yinggang Du

IPC: H04B1/10

CPC classification number: H04B7/046 ,  H04B7/0634 ,  H04B7/0663

Abstract: A method and device for acquiring a precoding matrix are provided by the present invention. The method for acquiring a precoding matrix includes: for each receiving end, selecting the interference vectors as the interference space basis vectors from whole interference vectors, representing the remaining interference vectors as the linear combination of the interference space basis vectors, wherein the remaining interference vectors are the interference vectors in the whole interference vectors of the receiving end except the interference vectors which act as the interference space basis vectors (101); determining the currently used precoding matrix according to the linear combination of the interference space basis vectors represented by the remaining interference vectors of each receiving end and the current channel condition (102). The technical solution of the present invention can eliminate interference and do not generate Bit Error Rate (BER) floor.

Abstract translation: 本发明提供一种用于获取预编码矩阵的方法和装置。 用于获取预编码矩阵的方法包括：对于每个接收端，选择干扰矢量作为来自干扰矢量的干扰空间基向量，其表示剩余干扰矢量作为干扰空间基向量的线性组合，其中剩余干扰矢量 是作为干扰空间基矢量（101）的干扰矢量之外的接收端的整个干涉矢量的干扰矢量; 根据由每个接收端的剩余干扰矢量表示的干扰空间基向量与当前信道条件（102）的线性组合确定当前使用的预编码矩阵。 本发明的技术方案可以消除干扰，不产生误码率（BER）。

公开(公告)号：US08542573B2

公开(公告)日：2013-09-24

申请号：US13622269

申请日：2012-09-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng Liu ,  Rongdao Yu

IPC: H04J11/00

CPC classification number: H04L27/2636 ,  H03M7/3059

Abstract: Embodiments of the present invention disclose an RRU, which performs IDFT on a PUSCH signal that is obtained after resource block demapping, where due to a characteristic of an extremely low peak to average power ratio of SC-FDMA modulation, a signal after IDFT has an extremely low peak to average power ratio at this time, and an amplitude range of the signal changes slightly; amplitude/phase conversion is performed on the signal after the IDFT, where the signal after the IDFT is represented by using amplitude and phase, and then amplitude quantization and phase quantization are performed respectively to obtain a quantized amplitude signal and a quantized phase signal respectively.

Abstract translation: 本发明的实施例公开了一种RRU，其对资源块解映射之后获得的PUSCH信号执行IDFT，其中由于SCFT具有极低的峰值对平均功率比的特性，IDFT具有 此时的峰均功率比极低，信号的振幅范围略有变化; 对IDFT之后的信号执行幅度/相位转换，其中IDFT之后的信号通过使用幅度和相位来表示，然后分别执行幅度量化和相位量化，以分别获得量化幅度信号和量化相位信号。

公开(公告)号：US08472542B1

公开(公告)日：2013-06-25

申请号：US13624260

申请日：2012-09-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rui Wang ,  Sheng Liu ,  Yinggang Du

IPC: H04K1/10

CPC classification number: H04K1/10 ,  Y02D70/122

Abstract: Embodiments of the present invention provide a method, an apparatus, and a system for signal transmission. The method includes: obtaining, by a base station, a high-power precoding matrix and a low-power precoding matrix according to channel quality information, precoding a corresponding high-power signal stream according to the high-power precoding matrix respectively to obtain a first signal stream, precoding a corresponding low-power signal stream according to the low-power precoding matrix respectively to obtain a second signal stream, superimposing the first signal stream and the second signal stream to obtain one or more superimposed signal streams and transmitting the one or more superimposed signal streams to user terminals; decoding, by the user terminals, the received one or more superimposed signal streams by using receiving matrices, and obtaining signal streams that the user terminals need. The embodiments of the present invention are applicable to signal transmission in a Multiple-Input Multiple-output system.

Abstract translation: 本发明的实施例提供一种用于信号传输的方法，装置和系统。 该方法包括：由基站根据信道质量信息获取高功率预编码矩阵和低功率预编码矩阵，分别根据高功率预编码矩阵对相应的高功率信号流进行预编码，以获得 第一信号流，分别根据低功率预编码矩阵预编码对应的低功率信号流，以获得第二信号流，叠加第一信号流和第二信号流以获得一个或多个叠加信号流，并发送一个 或更多叠加的信号流到用户终端; 由用户终端通过使用接收矩阵来解码所接收的一个或多个叠加信号流，并获得用户终端所需的信号流。 本发明的实施例可应用于多输入多输出系统中的信号传输。