公开(公告)号：US09788309B2

公开(公告)日：2017-10-10

申请号：US14694587

申请日：2015-04-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rongdao Yu ,  Rui Wang

IPC: H04W4/00 ,  H04W72/04 ,  H04W72/02 ,  H04W72/08 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04W72/02 ,  H04W72/082

Abstract: A data transmission method, includes: detecting, by a first user terminal, PDCCH of second user terminals beyond a cell of the first user terminal, and acquiring modulation and coding scheme information from the PDCCH; estimating interference between the first user terminal and the second user terminals according to the modulation and coding scheme information; selecting a second user terminal having a minimum interference on the first user terminal according to the interference; and multiplexing, by the first user terminal, an uplink time-frequency resource of the second user terminal having the minimum interference to perform D2D data transmission.

公开(公告)号：US09723617B2

公开(公告)日：2017-08-01

申请号：US14731122

申请日：2015-06-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rui Wang ,  Rongdao Yu

IPC: H04W72/08 ,  H04B7/04 ,  H04B17/345 ,  H04W76/02 ,  H04L25/03 ,  H04W92/18 ,  H04L5/00

CPC classification number: H04W72/082 ,  H04B1/1027 ,  H04B7/04 ,  H04B7/0421 ,  H04B17/345 ,  H04J11/0036 ,  H04J2211/005 ,  H04L5/0023 ,  H04L5/0032 ,  H04L5/0048 ,  H04L25/03891 ,  H04W76/14 ,  H04W92/18

Abstract: Embodiments of the present invention provide a method and a device for processing interference, wherein according to a first demodulation reference signal DMRS pilot symbol carried by a first subcarrier used by an uplink user equipment, an interference channel matrix of an uplink interference channel from the uplink user equipment to a D2D receiving end is measured, wherein the first subcarrier is a subcarrier shared by a D2D transmitting end and the uplink user equipment; a null space matrix of the uplink interference channel is calculated according to the interference channel matrix; and the signal received by the D2D receiving end via the first subcarrier is processed by using the null space matrix to eliminate an interference signal which comes from the uplink user equipment in the signal.

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：US09124332B2

公开(公告)日：2015-09-01

申请号：US14286011

申请日：2014-05-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rui Wang ,  Yinggang Du ,  Hong Cheng

IPC: H04L1/00 ,  H04B7/08 ,  H04B7/06 ,  H04L25/08 ,  H04L27/34 ,  H04L25/03

CPC classification number: H04B7/0837 ,  H04B7/0613 ,  H04L25/03891 ,  H04L25/08 ,  H04L27/3488 ,  H04L2025/0342

Abstract: Embodiments of the present invention provide a method, an apparatus, and a system for interference alignment. The method includes: receiving signals transmitted by transmit ends, where the signals include interference signals and a wanted signal; aligning original constellation diagrams of the interference signals to acquire a first interference aligned constellation diagram; performing, according to the first interference aligned constellation diagram, interference signal demodulation and decoding on the received signals to acquire an interference source bit sequence; performing, according to the interference source bit sequence and the first interference aligned constellation diagram, interference reconstruction and removal to acquire a second interference aligned constellation diagram; and performing, according to the second interference aligned constellation diagram, wanted signal demodulation and decoding on the signal sequence to acquire the wanted signal transmitted by a wanted signal transmit end. The embodiments of the present invention are applicable to radio communications.

Abstract translation: 本发明的实施例提供了用于干涉对准的方法，装置和系统。 该方法包括：接收由发射端发射的信号，其中信号包括干扰信号和有用信号; 对准干扰信号的原始星座图以获得第一干扰对齐的星座图; 根据第一个干扰对齐的星座图，对接收到的信号进行干扰信号解调和解码，以获取干扰源比特序列; 根据干扰源比特序列和第一干扰对齐星座图执行干扰重构和去除以获取第二干扰对齐的星座图; 并且根据第二干涉对准星座图执行对信号序列的有用信号解调和解码以获得由有用信号发送端发送的有用信号。 本发明的实施例可应用于无线电通信。

公开(公告)号：US20140140335A1

公开(公告)日：2014-05-22

申请号：US14165138

申请日：2014-01-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rui Wang ,  Yinggang Du ,  Hong Cheng

IPC: H04W28/08 ,  H04W84/12

CPC classification number: H04W28/08 ,  H04W8/08 ,  H04W80/02 ,  H04W84/045 ,  H04W84/12 ,  H04W88/06 ,  H04W88/10

Abstract: A WLAN coordinated data transmission method, system, and relevant device are disclosed. The WLAN coordinated data transmission method includes: detecting, by an offloading scheduling controller, whether the number of MAC SDUs buffered in a MAC SDU queue of a mobile communication module exceeds a preset threshold, and, if so, packing a part of the MAC SDUs into a MAC PDU, and sending the MAC PDU to a coordination mode management module through an interface of the mobile communication module; sending, by the coordination mode management module, the MAC PDU containing the packed part of the MAC SDUs through an LLC protocol layer to a WLAN module for transmission; and packing, by the offloading scheduling controller, a remaining part of the MAC SDUs buffered in the MAC SDU queue into a MAC PDU, and transmitting the MAC PDU through the mobile communication module.

Abstract translation: 公开了WLAN协调数据传输方法，系统和相关设备。 WLAN协调数据传输方法包括：通过卸载调度控制器检测缓冲在移动通信模块的MAC SDU队列中的MAC SDU的数量是否超过预设阈值，如果是，则打包一部分MAC SDU 进入MAC PDU，并通过移动通信模块的接口将MAC PDU发送到协调模式管理模块; 由协调模式管理模块通过LLC协议层将包含MAC SDU的打包部分的MAC PDU发送到WLAN模块进行传输; 以及由卸载调度控制器将缓冲在MAC SDU队列中的MAC SDU的剩余部分打包成MAC PDU，并通过移动通信模块发送MAC PDU。

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：US20130343475A1

公开(公告)日：2013-12-26

申请号：US13974604

申请日：2013-08-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rui Wang ,  Hao Yu ,  Jianneng Liu

IPC: H04B7/04

CPC classification number: H04B7/0486 ,  H04L25/03974

Abstract: Embodiments of the present disclosure disclose a method and an apparatus for determining a precoding matrix, which relate to the field of communications technologies and may improve throughput of a MIMO system and optimize overall system performance, including: determining a rank constraint of a jth transmitting end, where j=1, 2, . . . , K, and K is the total number of transmitting ends in a MIMO system; iteratively calculating an optimal precoding matrix of the jth transmitting end according to a channel matrix from the jth transmitting end to a jth receiving end, an autocorrelation matrix of interference and noise of the jth receiving end, and the rank constraint of the jth transmitting end, where the optimal precoding matrix maximizes channel capacity of a link from the jth transmitting end to the jth receiving end under a circumstance that precoding matrices of other transmitting ends do not change.

Abstract translation: 本公开的实施例公开了一种用于确定预编码矩阵的方法和装置，其涉及通信技术领域，并且可以提高MIMO系统的吞吐量并优化整个系统性能，包括：确定第j个发送端的秩约束 ，其中j = 1,2。 。 。 K和K是MIMO系统中发射端的总数; 根据第j个发送端到第j个接收端的信道矩阵，第j个接收端的干扰和噪声的自相关矩阵以及第j个发送端的秩约束迭代地计算第j个发送端的最优预编码矩阵， 其中在其他发送端的预编码矩阵不改变的情况下，最佳预编码矩阵使从第j个发送端到第j个接收端的链路的信道容量最大化。

公开(公告)号：US08543679B2

公开(公告)日：2013-09-24

申请号：US13679645

申请日：2012-11-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yaoping Luo ,  Rui Wang ,  Yue Song

IPC: G06F15/173

CPC classification number: H04W72/044 ,  H04L41/0233 ,  H04L41/046 ,  H04L41/0806 ,  H04L67/125

Abstract: The present disclosure relates to a method and a device for creating an MO instance in the management tree of a terminal device. In the method, a processor in the device adds the node value to an unnamed node or a specified node of the unnamed node in the MO of the management tree in the terminal device. The processor sets the node value of the specified node under the unnamed node as the name of the unnamed node. The specified node is a sub-node of the unnamed node or a node from other MOs.

Abstract translation: 本公开涉及一种用于在终端设备的管理树中创建MO实例的方法和设备。 在该方法中，设备中的处理器将节点值添加到终端设备中管理树的MO中的未命名节点或未命名节点的指定节点。 处理器将未命名节点下的指定节点的节点值设置为未命名节点的名称。 指定的节点是未命名节点的子节点或来自其他MO的节点。

公开(公告)号：US20130201950A1

公开(公告)日：2013-08-08

申请号：US13835751

申请日：2013-03-15

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Rui Wang ,  Hong Cheng ,  Yinggang Du

IPC: H04W72/04

CPC classification number: H04W72/0426 ,  H04B17/102 ,  H04B17/318 ,  H04J11/0056 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0073

Abstract: Embodiments of the present invention provide a data transmission processing method, apparatus, and system. The method includes: receiving, by a first base station, an adjustment parameter transmitted by a terminal, where the adjustment parameter is obtained by the terminal according to reference signals separately transmitted by the first base station and a second base station; performing, by the first base station and according to the adjustment parameter, channel compensation on a first channel between the first base station and the terminal to obtain a second channel; and transmitting, by the first base station, a first signal over the second channel to the terminal, so that the terminal obtains the first signal from a mixed signal of the first signal and a second signal that is transmitted by the second base station.

Abstract translation: 本发明的实施例提供一种数据传输处理方法，装置和系统。 该方法包括：由第一基站接收由终端发送的调整参数，其中终端根据由第一基站和第二基站分别发送的参考信号获得调整参数; 由所述第一基站和所述调整参数对所述第一基站与所述终端之间的第一信道进行信道补偿，以获得第二信道; 以及由所述第一基站通过所述第二信道向所述终端发送第一信号，使得所述终端从所述第一信号的混合信号和由所述第二基站发送的第二信号获得所述第一信号。