公开(公告)号：US20160330758A1

公开(公告)日：2016-11-10

申请号：US15217431

申请日：2016-07-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hong CHENG ,  Sheng LIU ,  Teyan CHEN

IPC: H04W72/12 ,  H04L5/14 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04W72/1273 ,  H04L1/00 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0066 ,  H04L5/14 ,  H04W72/044 ,  H04W72/1231

Abstract: Embodiments of the present invention relate to a terminal scheduling method, a station, and a terminal. The method includes: sending, by a first station, a first notification message to a first terminal that is also in a first service set, where the first notification message is used to instruct the first terminal to send a sounding signal; receiving, by the first station, mutual interference information sent by a second terminal, where the mutual interference information includes a signal parameter value used to represent that signal interference is generated between the second terminal and the first terminal and identifier information used to determine the first terminal that sends the sounding signal, and the mutual interference information is sent if the second terminal obtains the sounding signal by means of listening; and performing, by the first station, scheduling processing on the first terminal and the second terminal according to the signal parameter value and the identifier information.

Abstract translation: 本发明的实施例涉及终端调度方法，站点和终端。 该方法包括：由第一站向第一终端发送第一通知消息，该第一通知消息也在第一服务集中，其中第一通知消息用于指示第一终端发送探测信号; 由第一站接收由第二终端发送的相互干扰信息，其中相互干扰信息包括用于表示在第二终端和第一终端之间产生信号干扰的信号参数值，以及用于确定第一终端的标识符信息 发送探测信号的终端，如果第二终端通过监听获得探测信号，则发送相互干扰信息; 以及由所述第一站根据所述信号参数值和所述标识符信息执行对所述第一终端和所述第二终端的调度处理。

公开(公告)号：US20150049736A1

公开(公告)日：2015-02-19

申请号：US14528651

申请日：2014-10-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng LIU ,  Rongdao YU ,  Rui WANG

IPC: H04W76/02 ,  H04W72/04 ,  H04B7/04 ,  H04W52/24

CPC classification number: H04W76/023 ,  H04B7/026 ,  H04B7/0413 ,  H04B7/0456 ,  H04W52/143 ,  H04W52/242 ,  H04W52/383 ,  H04W52/42 ,  H04W72/04 ,  H04W76/14

Abstract: Embodiments of the present invention provide a MIMO wireless communication system, a MIMO transmission method, and an apparatus, which relate to the field of communications technologies and are invented to effectively improve transmission efficiency and decrease a transmission delay. The MIMO wireless communication system includes: a base station, a first user equipment, and at least one second user equipment, where the first user equipment performs cellular uplink communication with the base station, and performs device-to-device communication with the at least one second user equipment, and the same time-frequency resource is used in the cellular uplink communication between the first user equipment and the base station and the device-to-device communication between the first user equipment and the second user equipment. The present invention is applicable to wireless communication technologies.

Abstract translation: 本发明的实施例提供了一种涉及通信技术领域的MIMO无线通信系统，MIMO传输方法和装置，并且被发明以有效地提高传输效率并减少传输延迟。 MIMO无线通信系统包括：基站，第一用户设备和至少一个第二用户设备，其中第一用户设备与基站进行蜂窝上行链路通信，并且至少与该基站进行设备到设备的通信 一个第二用户设备，并且在第一用户设备和基站之间的蜂窝上行链路通信和第一用户设备与第二用户设备之间的设备到设备通信中使用相同的时间频率资源。 本发明适用于无线通信技术。

公开(公告)号：US20140286185A1

公开(公告)日：2014-09-25

申请号：US14290350

申请日：2014-05-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng LIU ,  Hong CHENG

IPC: H04L25/02

CPC classification number: H04L25/0228 ,  H04L25/03968 ,  H04L27/2601

Abstract: A downlink channel estimation method and system, and a mobile terminal. In the method, a first mobile terminal is located in a central area of a cell, a second mobile terminal is located in an edge area of the cell, and a resource block of the second mobile terminal is adjacent to a resource block of the first mobile terminal, so that the first mobile terminal can use a data signal transmitted from a base station to the second mobile terminal to perform downlink channel estimation, thereby improving the accuracy of the downlink channel estimation, and enhancing the performance of the downlink channel estimation.

Abstract translation: 下行链路信道估计方法和系统，以及移动终端。 在该方法中，第一移动终端位于小区的中央区域，第二移动终端位于小区的边缘区域，第二移动终端的资源块与第一移动终端的资源块相邻， 移动终端，使得第一移动终端可以使用从基站向第二移动终端发送的数据信号来执行下行链路信道估计，从​​而提高下行链路信道估计的准确性，并提高下行链路信道估计的性能。

公开(公告)号：US20140086211A1

公开(公告)日：2014-03-27

申请号：US14092397

申请日：2013-11-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng LIU

IPC: H04W36/22

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：US20130064318A1

公开(公告)日：2013-03-14

申请号：US13671121

申请日：2012-11-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng LIU ,  Yinggang DU

IPC: H04B7/06 ,  H04B7/08

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，从表示剩余干扰矢量的干扰矢量中选择干扰矢量作为干扰空间基矢量，作为干扰空间基矢量的线性组合，其中剩余的干扰矢量 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：US20180343580A1

公开(公告)日：2018-11-29

申请号：US16051518

申请日：2018-08-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhengzheng XIANG ,  Jiyong PANG ,  Sheng LIU ,  Jun Zhu

IPC: H04W24/10 ,  H04L27/26 ,  H04L5/00 ,  H04L1/00

Abstract: A method includes: sending, by an access point AP, a channel measurement trigger frame TF-S to at least two stations STAs, where the TF-S is used to trigger the at least two STAs to send null data packets NDPs used for uplink channel measurement, the TF-S includes parameter indication information of a transmission parameter used by each STA to send theNDP, and the parameter indication information is used by the STA to determine the transmission parameter and a transmission time; and receiving, by the AP, an NDP sent by each of the at least two STAs based on a corresponding transmission parameter of the STA at a transmission time corresponding to the STA, and performing channel measurement, where there is no interframe gap between NDPs sent by any two adjacent STAs of the at least two STAs.

公开(公告)号：US20170163404A1

公开(公告)日：2017-06-08

申请号：US15440668

申请日：2017-02-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Sheng LIU ,  Teyan CHEN

IPC: H04L5/14 ,  H04W72/04

CPC classification number: H04L5/14 ,  H04L5/1461 ,  H04L5/1469 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0446

Abstract: Embodiments of the present invention provide a wireless communication method, device, and system, which relate to the field of communications technologies, and can resolve a problem of low carrier utilization in a wireless communications system. In the method, a wireless access device communicates with user equipment on a first carrier by using at least three timeslots, where the at least three timeslots include at least one full-duplex timeslot, at least one downlink timeslot, and at least one uplink timeslot; the wireless access device performs one or more of signal sending or signal reception in the full-duplex timeslot; the wireless access device sends a downlink signal in the downlink timeslot; and the wireless access device receives an uplink signal in the uplink timeslot. The embodiments of the present invention are used for wireless communication.

公开(公告)号：US20150009970A1

公开(公告)日：2015-01-08

申请号：US14464529

申请日：2014-08-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rongdao YU ,  Sheng LIU

IPC: H04W72/04

CPC classification number: H04W76/14 ,  H04B7/2656 ,  H04W72/02 ,  H04W72/0413 ,  H04W72/0446 ,  H04W72/046 ,  H04W72/082

Abstract: The present invention provides a D2D communication method and a D2D communication device. The method includes: determining a second time slot for transmitting D2D data according to a first time slot for transmitting D2D signaling to a D2D receiver and a synchronous transmission relationship between the D2D signaling and the D2D data, the second time slot being after the first time slot; determining a third time slot for transmitting uplink control information in cellular communication according to the second time slot, the uplink control information being used for indicating an uplink radio resource in the second time slot, and the third time slot being before the second time slot; demodulating the uplink control information in the third time slot to acquire the uplink radio resource in the second time slot; multiplexing the uplink radio resource in the second time slot to perform D2D communication with the D2D receiver.

Abstract translation: 本发明提供一种D2D通信方法和D2D通信装置。 该方法包括：根据用于向D2D接收机发送D2D信令的第一时隙和D2D信令与D2D数据之间的同步传输关系，确定用于发送D2D数据的第二时隙，第二时隙在第一时间之后 槽 根据第二时隙确定用于在蜂窝通信中发送上行链路控制信息的第三时隙，所述上行链路控制信息用于指示所述第二时隙中的上行链路无线电资源，所述第三时隙在所述第二时隙之前; 解调第三时隙中的上行链路控制信息，以获取第二时隙中的上行链路无线电资源; 在第二时隙中复用上行链路无线电资源以执行与D2D接收机的D2D通信。

公开(公告)号：US20130100907A1

公开(公告)日：2013-04-25

申请号：US13711541

申请日：2012-12-11

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng LIU

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0053 ,  H04W88/085

Abstract: The downlink baseband signal generating method includes: performing channel coding and modulation on a downlink data stream of a user in a cell, and obtaining a downlink coded and modulated user signal of the cell; generating a downlink control channel signal according to physical-layer control information; and forwarding the reference signal, synchronization signal, broadcast channel signal, downlink coded and modulated user signal, and downlink control channel signal to the corresponding RRU, so that the corresponding RRU performs MIMO precoding on the downlink coded and modulated user signal, maps the MIMO-precoded signal, the downlink control channel signal, reference signal, synchronization signal, and broadcast channel signal to their respective subcarriers, performs IFFT transformation to obtain a downlink baseband signal, and sends the signal out. The embodiments of the present invention can reduce the signal transmission bandwidth between the C-RAN node and the RRU.

Abstract translation: 下行链路基带信号生成方法包括：对小区中的用户的下行链路数据流进行信道编码和调制，获得小区的下行链路编码和调制用户信号; 根据物理层控制信息生成下行链路控制信道信号; 将参考信号，同步信号，广播信道信号，下行编码和调制用户信号以及下行控制信道信号转发给相应的RRU，使对应的RRU对下行编码和调制用户信号进行MIMO预编码，映射MIMO 下行链路控制信道信号，参考信号，同步信号和广播信道信号到其各自的子载波，进行IFFT变换以获得下行链路基带信号，并将信号发送出去。 本发明的实施例可以降低C-RAN节点和RRU之间的信号传输带宽。

公开(公告)号：US20180191545A1

公开(公告)日：2018-07-05

申请号：US15909771

申请日：2018-03-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng LIU ,  Yi LUO

IPC: H04L27/26 ,  H04W74/04 ,  H04W72/04 ,  H04L7/06

CPC classification number: H04L27/2657 ,  H04L5/0007 ,  H04L7/06 ,  H04L41/00 ,  H04W72/042 ,  H04W74/04

Abstract: The present disclosure discloses an Internet of Things communication method. In the present disclosure, a downlink data frame sent by the network side device includes a legacy preamble, a HEW preamble, and a data field; a subcarrier resource that is corresponding to the data field in a frequency domain includes at least one resource unit RU; and the RU is used to send a downlink IoT frame to the IoT terminal, where the downlink IoT frame includes an IoT preamble and an IoT data field, the IoT preamble is used to transmit physical layer control information of the downlink IoT frame, and the IoT data field is used to transmit downlink data between the network side device and the IoT terminal. According to the present disclosure, a network side device in a WLAN can schedule an IoT terminal, thereby reducing a conflict risk in an IoT communication process.