公开(公告)号：US20160197745A1

公开(公告)日：2016-07-07

申请号：US15068502

申请日：2016-03-11

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiongshu YI ,  Chaochao ZHANG ,  Lu GUAN ,  Yun LIU

IPC: H04L25/02 ,  H04L5/12 ,  H04J11/00 ,  H04W72/04 ,  H04W16/18 ,  H04B7/04

CPC classification number: H04L25/0204 ,  H04B7/0413 ,  H04J11/00 ,  H04L5/12 ,  H04L25/0224 ,  H04L25/03343 ,  H04W16/18 ,  H04W72/042 ,  H04W88/02

Abstract: The present disclosure relates to a remote radio unit (RRU), which is connected to a baseband unit (BBU) and an antenna, comprising: a service transmit channel configured to transmit a first correction signal through the antenna, and a standing wave detecting circuit associated with the service transmit channel, wherein: a working frequency of the standing wave detecting circuit is consistent with the service transmit channel, and the standing wave detecting circuit is capable of detecting a standing wave ratio of the service transmit channel and is configured to receive a correction signal looped back by the antenna, and send the correction signal looped back by the antenna to the BBU, wherein the correction signal looped back by the antenna comprises a portion of the first correction signal reflected by the antenna and is used for a calculation of a correction coefficient of the service transmit channel.

Abstract translation: 本发明涉及连接到基带单元（BBU）和天线的远程无线单元（RRU），包括：被配置为通过天线发送第一校正信号的服务发射信道，以及驻波检测电路 与所述服务发送信道相关联，其中：所述驻波检测电路的工作频率与所述业务发送信道一致，所述驻波检测电路能够检测所述业务发送信道的驻波比，并且被配置为接收 由天线环回的校正信号，并将由天线回送的校正信号发送到BBU，其中由天线回送的校正信号包括由天线反射的第一校正信号的一部分，并用于计算 的服务发送信道的校正系数。

公开(公告)号：US20150195781A1

公开(公告)日：2015-07-09

申请号：US14664555

申请日：2015-03-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiongshu YI

IPC: H04W52/02 ,  H04W72/12 ,  H04W52/04

CPC classification number: H04W52/0206 ,  H04W52/04 ,  H04W52/143 ,  H04W52/265 ,  H04W52/267 ,  H04W52/346 ,  H04W72/121 ,  H04W72/1236 ,  Y02D70/00 ,  Y02D70/1262

Abstract: Embodiments of the present invention relate to a method and an apparatus for reducing transmit power. The method includes allocating initial bandwidth to all terminals scheduled in a current timeslot in a cell; calculating remaining bandwidth in the current timeslot and remaining system bandwidth; if the remaining system bandwidth is greater than preset threshold bandwidth, reducing transmit power or a frequency domain to calculate expanded bandwidth; calculating a transmit power reduction value corresponding to the terminal in a current scheduling timeslot, and a time domain system power reduction value, or a final frequency domain system power reduction value of each terminal; when the time domain system power reduction value is not less than a preset threshold, or when a final frequency domain transmit power reduction value of each terminal is not less than a preset threshold, reducing transmit power of a base station.

Abstract translation: 本发明的实施例涉及一种用于降低发射功率的方法和装置。 该方法包括：将初始带宽分配给小区当前时隙中调度的所有终端; 计算当前时隙中的剩余带宽和剩余系统带宽; 如果剩余系统带宽大于预设阈值带宽，则降低发射功率或频域来计算扩展带宽; 计算与当前调度时隙中的终端对应的发射功率降低值，以及每个终端的时域系统功率降低值或最终频域系统功率降低值; 当时域系统功率降低值不小于预设阈值时，或当每个终端的最终频域发射功率降低值不小于预设阈值时，降低基站的发射功率。

公开(公告)号：US20150085690A1

公开(公告)日：2015-03-26

申请号：US14554782

申请日：2014-11-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiongshu YI

IPC: H04W24/02 ,  H04L25/02

CPC classification number: H04W24/02 ,  H04B17/14 ,  H04L25/0204 ,  H04L25/0224 ,  H04W92/20

Abstract: Embodiments of the present invention provide a joint channel correction method, a joint channel correction unit and a base station. The joint channel correction method can implement joint channel correction between base stations in a base station set. At least one base station in the base station set is connected to the joint channel correction unit, so that all base stations in the base station set share a common reference transmit end and a common reference receive end.

Abstract translation: 本发明的实施例提供联合信道校正方法，联合信道校正单元和基站。 联合信道校正方法可以在基站组中的基站之间实现联合信道校正。 基站组中的至少一个基站连接到联合信道校正单元，使得基站组中的所有基站共享公共参考发送端和公共参考接收端。

公开(公告)号：US20190261409A1

公开(公告)日：2019-08-22

申请号：US16404412

申请日：2019-05-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yan CHEN ,  Jianjun YANG ,  Xiongshu YI ,  Feixiang TAN

IPC: H04W72/14 ,  H04W72/04 ,  H04W8/24 ,  H04L5/14 ,  H04W72/12

Abstract: This application relates to a scheduling method and a device. In the scheduling method, a base station sends, at a first moment, uplink grant (UL GRANT) information to a terminal that is to perform uplink data transmission; the base station sends, at a second moment, downlink data to a terminal that is determined by the base station and that is to perform downlink data transmission, where the second moment is a moment at which the terminal that is to perform uplink data transmission sends uplink data after receiving the uplink grant information at the first moment.

公开(公告)号：US20190110291A1

公开(公告)日：2019-04-11

申请号：US16205327

申请日：2018-11-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiongshu YI

IPC: H04W72/04

Abstract: Embodiments of the present application relate to the communications field, and provide a subframe configuration method and apparatus. The method includes: classifying, by a base station, user equipments UEs in a first cell into N user groups, and determining an uplink-downlink subframe configuration required by each user group; determining a primary uplink-downlink subframe configuration of the first cell according to the uplink-downlink subframe configuration of each user group; determining configuration indication information of each user group according to the primary uplink-downlink subframe configuration and the uplink-downlink subframe configuration required by each user group; and sending, to each user group in the N user groups, the primary uplink-downlink subframe configuration and configuration indication information including at least the configuration indication information of the user group. The embodiments of the present application are applied to a full duplex scenario of a base station.

公开(公告)号：US20150171942A1

公开(公告)日：2015-06-18

申请号：US14585765

申请日：2014-12-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiongshu YI ,  Jing YANG ,  Lu GUAN

IPC: H04B7/04 ,  H04L5/00

CPC classification number: H04B7/0452 ,  H04B7/0413 ,  H04B7/0697 ,  H04L5/0048

Abstract: Disclosed are a method, device and system for transmitting a Multi-user Multiple-Input-Multiple-Output (MU-MIMO) pilot and data. The method includes: when at least two terminals transmit a MU-MIMO pilot and data on one same time/frequency resource, constructing a k-stream SU-MIMO pilot and data; based on the configuration mode of the k-stream SU-MIMO pilot, modifying demodulation pilot port parameters of the at least two terminals; and based on the transmission mode of the k-stream SU-MIMO pilot and data, transmitting the k-stream SU-MIMO pilot and data to the at least two terminals, respectively. Further disclosed are a device and system for transmitting a MU-MIMO pilot and data

Abstract translation: 公开了用于发送多用户多输入多输出（MU-MIMO）导频和数据的方法，装置和系统。 该方法包括：当至少两个终端在同一时间/频率资源上发送MU-MIMO导频和数据时，构建k流SU-MIMO导频和数据; 基于所述k流SU-MIMO导频的配置模式，修改所述至少两个终端的解调导频端口参数; 并且基于k流SU-MIMO导频和数据的传输模式，分别向至少两个终端发送k流SU-MIMO导频和数据。 进一步公开的是用于发送MU-MIMO导频和数据的装置和系统

公开(公告)号：US20190312346A1

公开(公告)日：2019-10-10

申请号：US16448420

申请日：2019-06-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Qiang WANG ,  Sunjie WANG ,  Jinsong WANG ,  Dong YANG ,  Xiongshu YI

IPC: H01Q1/46 ,  H01Q1/24 ,  F21V33/00

Abstract: The present disclosure relates to antennas, lighting systems, and communications systems. One example antenna includes a radiating element and a feeding unit. The antenna is integrated with a lighting system, where the lighting system includes a protective cover and a light source disposed inside the protective cover. Both the radiating element and the feeding unit of the antenna are integrated with the protective cover of the lighting system. The radiating element is attached to a surface of a cover body of the protective cover that is in a forward direction of the light source. One part of the feeding unit is integrated with the protective cover, and is electrically connected to the radiating element, and the other part of the feeding unit supports an electrical connection to a signal processing device.

公开(公告)号：US20160205684A1

公开(公告)日：2016-07-14

申请号：US15079654

申请日：2016-03-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiongshu YI

IPC: H04W72/04

CPC classification number: H04W72/0446 ,  H04W72/00

Abstract: Embodiments of the present invention disclose a correction signal transmission method, including: acquiring, by a base station of a first network, a transmit timeslot position that is in a guard period GP used for transmitting a correction signal, where the transmit timeslot position is a timeslot position that is determined based on a timeslot configuration of a second network and/or a signal transmitted by the second network, and interference suffered from a signal transmitted by the second network at the transmit timeslot position is less than a preset interference threshold; and the first network and the second network are comprised in hybrid networks; and transmitting, by the base station, a correction signal at the transmit timeslot position. Correspondingly, the embodiments of the present invention further disclose a base station. Interference to a correction signal in hybrid networks can be reduced in the embodiments of the present invention.

Abstract translation: 本发明的实施例公开了一种校正信号传输方法，包括：由第一网络的基站获取处于用于发送校正信号的保护时段GP中的发射时隙位置，其中发射时隙位置为 基于第二网络的时隙配置和/或由第二网络发送的信号确定的时隙位置，以及由发送时隙位置处的由第二网络发送的信号的干扰小于预设的干扰阈值; 并且第一网络和第二网络包括在混合网络中; 以及由所述基站在所述发射时隙位置发送校正信号。 相应地，本发明的实施例进一步公开了一种基站。 在本发明的实施例中，可以减少对混合网络中的校正信号的干扰。

公开(公告)号：US20150200740A1

公开(公告)日：2015-07-16

申请号：US14669935

申请日：2015-03-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiongshu YI ,  Lu GUAN

IPC: H04J11/00 ,  H04L5/00

CPC classification number: H04J11/0053 ,  H04B7/022 ,  H04B17/11 ,  H04L5/0035 ,  H04L5/006 ,  H04L25/0224 ,  H04W88/085

Abstract: According to the present invention, a first self-correction coefficient and a second self-correction coefficient are acquired by performing a self-correction to an RRU0 and an RRU1 respectively, then a first compensation coefficient and a second compensation coefficient are acquired through transmitting and receiving correction signals to or from each other via any antenna of the RRU0 and any antenna of the RRU1, a first correction coefficient and a second correction coefficient are acquired according to the first self-correction coefficient, the first compensation coefficient, the second self-correction coefficient and the second compensation coefficient, and channel compensation is performed to the RRU0 and the RRU1 respectively, thus the joint channel correction among multiple RRUs are realized.

Abstract translation: 根据本发明，通过分别对RRU0和RRU1执行自校正来获取第一自校正系数和第二自校正系数，然后通过发送和获取第一补偿系数和第二补偿系数， 通过RRU0的任何天线和RRU1的任何天线彼此接收校正信号，根据第一自校正系数，第一补偿系数，第二自校正系数获得第一校正系数和第二校正系数， 校正系数和第二补偿系数，并且分别对RRU0和RRU1进行信道补偿，从而实现多个RRU之间的联合信道校正。