公开(公告)号：US20190159088A1

公开(公告)日：2019-05-23

申请号：US16254829

申请日：2019-01-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoli Shi ,  Mingzeng Dai ,  Hongzhuo Zhang ,  Qinghai Zeng ,  Rui Wang ,  Yi Guo ,  Lei Liu

IPC: H04W36/12 ,  H04W36/08 ,  H04W36/00 ,  H04W36/38

Abstract: A handover method, including sending, by a source base station to a source core network device in a process of handing user equipment (UE) over from the source base station to a target base station, a handover required message. The message comprises identification information of a target core network device, and the identification information of the target core network device instructs the source core network device to perform a core network relocation process with the target core network device. The source base station is connected to the source core network device, and the target base station is connected to both the source core network device and the target core network device.

公开(公告)号：US09252919B2

公开(公告)日：2016-02-02

申请号：US14540878

申请日：2014-11-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yinggang Du ,  Sheng Liu ,  Rui Wang

IPC: H04L1/00 ,  H04L27/38 ,  H04B1/10 ,  H04L25/03 ,  H04L27/26

CPC classification number: H04L1/0054 ,  H04B1/1027 ,  H04L25/03216 ,  H04L27/2649 ,  H04L27/38 ,  H04L2025/0342 ,  H04L2025/03426

Abstract: Embodiments of the present invention provide a method and device for demodulating data. The method includes: determining a number of reliable bits of each path of data in M paths of data and a modulation manner used to demodulate the reliable bits of each path of data, where M is a positive integer; demodulating the reliable bits of each path of data according to the modulation manner used to demodulate the reliable bits of each path of data; and demodulating residual bits in each path of data except the reliable bits according to a maximal likelihood ML algorithm. Compared with the prior art, it is unnecessary to demodulate all bits of each path of data according to the ML algorithm, thereby lowering the complexity of demodulation by using the ML algorithm.

Abstract translation: 本发明的实施例提供了一种用于解调数据的方法和装置。 该方法包括：确定M个数据路径中每条数据路径的可靠位数，以及用于解调数据路径的可靠位的调制方式，其中M为正整数; 根据用于解调每个数据路径的可靠位的调制方式解调每个数据路径的可靠位; 以及根据最大似然ML算法解调除可靠比特之外的每个数据路径中的残留比特。 与现有技术相比，不需要根据ML算法解调每个数据路径的所有比特，从而通过使用ML算法来降低解调的复杂度。

公开(公告)号：US20150222342A1

公开(公告)日：2015-08-06

申请号：US14689402

申请日：2015-04-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng Liu ,  Rui Wang ,  Rongdao Yu

IPC: H04B7/04

CPC classification number: H04B7/0456 ,  H04B7/024 ,  H04B7/0404 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/0617 ,  H04L1/00

Abstract: The present invention provides a signal transmission method, system, and device, where the method includes: setting K virtual users, where each virtual user is associated with one base station; obtaining base station precode and user precode corresponding to each of the K virtual users; splitting a baseband signal to the K virtual users, and obtaining a split baseband signal corresponding to each of the K virtual users; processing, according to the base station precode and the user precode corresponding to each virtual user, the split baseband signal corresponding to each virtual user, and obtaining an uplink signal corresponding to each virtual user; and obtaining timing advances {t1, t2, . . . , tK} of base stations corresponding to the K virtual users, and when max(t1, t2, . . . , tK)−min(t1, t2, . . . , tK)

Abstract translation: 本发明提供了一种信号传输方法，系统和装置，其中所述方法包括：设置每个虚拟用户与一个基站相关联的K个虚拟用户; 获取与每个K个虚拟用户对应的基站预编码和用户密码; 将基带信号分解给所述K个虚拟用户，以及获得与所述K个虚拟用户中的每一个相对应的分离基带信号; 根据与每个虚拟用户相对应的基站预编码和用户预编码，对应于每个虚拟用户的分离基带信号，并获得与每个虚拟用户对应的上行链路信号; 并获得定时提前{t1，t2，...。 。 。 ，tK}，当max（t1，t2，...，tK）-min（t1，t2，...，tK）

公开(公告)号：US20150139148A1

公开(公告)日：2015-05-21

申请号：US14601734

申请日：2015-01-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rui Wang ,  Sheng Liu ,  Yinggang Du

IPC: H04W72/08

CPC classification number: H04W72/082 ,  H04B7/046 ,  H04L5/04 ,  H04L27/3488 ,  Y02D70/122 ,  Y02D70/444

Abstract: A signal processing method and related equipment are provided, which are used for reducing the number of antennas needed by a proximal user equipment to detect a low power signal. The method comprises: adjusting a pre-coding vector of a high power data stream to allow a product of the pre-coding vector and an effective receiving channel for a low power data stream equal to a constant; performing superposition coding on the low power data stream and the adjusted high power data stream; and sending the superposition-coded data stream to user equipments, wherein the user equipments comprise a user equipment at a center of a cell and a user equipment at an edge of the cell, the high power data stream is an interference while the low power data stream is desirable for the user equipment at the center of the cell.

Abstract translation: 提供了一种信号处理方法和相关设备，用于减少近端用户设备所需的天线数量以检测低功率信号。 该方法包括：调整高功率数据流的预编码矢量，以允许等于常数的低功率数据流的预编码矢量和有效接收信道的乘积; 对低功率数据流和调整后的高功率数据流进行叠加编码; 并且将叠加编码数据流发送给用户设备，其中用户设备包括小区中心的用户设备和小区边缘的用户设备，高功率数据流是干扰，而低功率数据 流对于小区中心的用户设备是期望的。

公开(公告)号：US20150071062A1

公开(公告)日：2015-03-12

申请号：US14539718

申请日：2014-11-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hong Cheng ,  Rui Wang ,  Yinggang Du ,  Lu Rong

IPC: H04W28/02 ,  H04L5/14

CPC classification number: H04W28/0289 ,  H04B7/0689 ,  H04B7/0691 ,  H04B7/0871 ,  H04B7/0874 ,  H04L1/0001 ,  H04L5/14 ,  H04L5/16 ,  H04W52/42 ,  H04W52/44 ,  H04W52/50

Abstract: Embodiments of the present invention disclose a transmission mode selecting method, an antenna TX/RX combination determining method, device, and system. The transmission mode selecting method includes: obtaining a first system capacity in a half-duplex transmission mode; obtaining a second system capacity in a full-duplex transmission mode, where the second system capacity is the maximum value among system capacities of a universal set of candidate antenna TX/RX combinations in the full-duplex transmission mode, or the maximum value among system capacities of a first subset of the candidate antenna TX/RX combinations in the full-duplex transmission mode, or a system capacity exceeding a system capacity threshold; and selecting a target transmission mode according to a comparison result between the first system capacity and the second system capacity, where the target transmission mode is a transmission mode corresponding to a larger value between the first system capacity and the second system capacity.

Abstract translation: 本发明的实施例公开了一种发送模式选择方法，天线TX / RX组合确定方法，装置和系统。 传输模式选择方法包括：以半双工传输模式获得第一系统容量; 在全双工传输模式下获得第二系统容量，其中第二系统容量是全双工传输模式中的候选天线TX / RX组合的通用组的系统容量中的最大值，或系统中的最大值 在全双工传输模式下候选天线TX / RX组合的第一子集的容量或超过系统容量阈值的系统容量; 以及根据所述第一系统容量和所述第二系统容量之间的比较结果来选择目标传输模式，其中所述目标传输模式是对应于所述第一系统容量和所述第二系统容量之间较大值的传输模式。

公开(公告)号：US08873657B2

公开(公告)日：2014-10-28

申请号：US14026865

申请日：2013-09-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng Liu ,  Rongdao Yu ,  Rui Wang

IPC: H04L27/28 ,  H04B10/04

CPC classification number: H04B10/116 ,  H04B7/0413 ,  H04B7/0617 ,  H04B10/40 ,  H04L5/0023 ,  H04L27/0008 ,  H04L27/2605 ,  H04L27/2697

Abstract: Embodiments of the present invention disclose a data transmission method and a related device and system. A data transmission method includes: A transmitter performs scrambling, constellation modulation, and multiple-input multiple-output precoding processing sequentially on downlink user data to obtain a precoded symbol sequence; performs time-frequency resource mapping on the precoded symbol sequence to obtain frequency domain data of an OFDM symbol; performs conjugate symmetric extension and IFFT on the frequency domain data of the OFDM symbol to obtain a time domain real-number sequence; performs CP insertion processing on the time domain real-number sequence to form a first downlink time domain baseband signal; loads the first downlink time domain baseband signal onto a direct current of a LED lighting circuit to form a LED driving electrical signal; and converts the LED driving electrical signal into a visible beam of the LED for transmission.

Abstract translation: 本发明的实施例公开了一种数据传输方法及相关设备和系统。 数据传输方法包括：发射机在下行用户数据上顺序执行加扰，星座调制和多输入多输出预编码处理，以获得预编码符号序列; 对预编码符号序列执行时频资源映射，以获得OFDM符号的频域数据; 对OFDM符号的频域数据进行共轭对称扩展和IFFT，以获得时域实数序列; 对时域实数序列执行CP插入处理，形成第一下行链路时域基带信号; 将第一下行链路时域基带信号加载到LED照明电路的直流电流上以形成LED驱动电信号; 并将LED驱动电信号转换成LED的可见光束以进行透射。

公开(公告)号：US20130078984A1

公开(公告)日：2013-03-28

申请号：US13679645

申请日：2012-11-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yaoping Luo ,  Rui Wang ,  Yue Song

IPC: H04W72/04

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：US20130023276A1

公开(公告)日：2013-01-24

申请号：US13624369

申请日：2012-09-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yinggang Du ,  Sheng Liu ,  Rui Wang

IPC: H04W72/04

CPC classification number: H04B7/024 ,  H04W16/32 ,  H04W72/1226 ,  H04W72/1289

Abstract: The present invention provides a data transmission method and system, where the method is used in a system architecture adopting a virtual heterogeneous network, where a macro base station covering a macro-cell and a pico base station covering a pico-cell share the same station address. The method includes the following step: sending control information and data information to user terminals in the macro-cell and the pico-cell according to location information of the user terminals so that the user terminals obtain the data information according to the control information. The system includes a sending module. The present invention implements joint scheduling of resources between a macro base station and a pico base station, reduces interference between cells, and maximally improves an overall data rate.

Abstract translation: 本发明提供一种数据传输方法和系统，其中该方法用于采用虚拟异构网络的系统架构中，其中覆盖宏小区的宏基站和覆盖微微小区的微微基站共享同一站 地址。 该方法包括以下步骤：根据用户终端的位置信息向宏小区和微微小区中的用户终端发送控制信息和数据信息，使用户终端根据控制信息获取数据信息。 系统包括发送模块。 本发明实现了宏基站和微微基站之间的资源的联合调度，减少了小区之间的干扰，并最大限度地提高了总体数据速率。