公开(公告)号：US10097248B2

公开(公告)日：2018-10-09

申请号：US15194651

申请日：2016-06-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ye Wu

IPC: H04B7/0452 ,  H04B7/04 ,  H04L5/00

Abstract: Disclosed are a data transmission method and apparatus. The method includes encoding a data stream of a first receive end by using a first encoding mode, to obtain a first encoded data stream. The method also includes encoding a data stream of a second receive end by using a second encoding mode, to obtain a second encoded data stream. The method also includes encoding the first encoded data stream and the second encoded data stream by using a third encoding mode, to obtain a to-be-sent data stream. The method also includes sending the to-be-sent data stream to a corresponding receive end by using antennas.

公开(公告)号：US09923614B2

公开(公告)日：2018-03-20

申请号：US15337834

申请日：2016-10-28

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Ye Wu ,  Deli Qiao ,  Lei Wang

IPC: H04B7/04 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/06 ,  H04L5/00 ,  H04B7/0452

CPC classification number: H04B7/0413 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0626 ,  H04L5/0051

Abstract: Embodiments of the present invention disclose a base station, including: a first channel state information acquiring module, configured to acquire channel state information of dimension-reduced channel subspace by means of level-one channel state information measurement; a set determining module, configured to: schedule the user equipment, and determine a set of user equipment involved in multiple-input multiple-output; a second channel state information acquiring module, configured to: perform level-two channel state information measurement on user equipment in the set of user equipment to acquire state information of a dimension-reduced real-time channel; and a data sending module, configured to: process downlink data and a user-specific demodulation reference signal by means of two-level precoding, and send processed downlink data and a processed user-specific demodulation reference signal to the user equipment in the set of user equipment.

公开(公告)号：US20170317795A1

公开(公告)日：2017-11-02

申请号：US15655189

申请日：2017-07-20

Applicant: Huawei Technologies Co., Ltd. ,  Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.

Inventor： Lei Wang ,  Martin Kurras ,  Lars Thiele ,  Thomas Haustein ,  Dageng Chen ,  Ye Wu ,  Deli Qiao

IPC: H04L5/00 ,  H04W24/10

CPC classification number: H04L5/005 ,  H04B7/0482 ,  H04B7/0639 ,  H04L1/06 ,  H04L5/0023 ,  H04L5/0051 ,  H04L27/261 ,  H04W24/10

Abstract: Embodiments of the present invention provide a precoding information obtaining method and a device. The method includes: separately precoding, by a network device by using N sub-codebooks, a pilot group including K pilots to obtain N precoded pilot groups, where the sub-codebooks are subsets of a precoding codebook, the precoding codebook includes M precoding vectors, each sub-codebook includes K precoding vectors; sending, by the network device, a precoded pilot group to a terminal device in each of W RB groups; and receiving, by the network device, precoding information fed back by the terminal device for any one of W precoded pilot groups. According to the precoding information obtaining method and the device, a quantity of pilot signals sent by the network device in each RB group is reduced, and pilot overheads in each RB group are reduced.

公开(公告)号：US20170005849A1

公开(公告)日：2017-01-05

申请号：US15264330

申请日：2016-09-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haicun Hang ,  Ye Wu

IPC: H04L27/26 ,  H04W16/22 ,  H04L12/801 ,  H04J11/00 ,  H04L25/02

CPC classification number: H04L27/2688 ,  H04J11/0023 ,  H04L25/022 ,  H04L25/0242 ,  H04L25/03343 ,  H04L27/2623 ,  H04L27/2626 ,  H04L27/265 ,  H04L47/29 ,  H04W16/22 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention discloses a signal processing method and apparatus, and pertains to the field of communications technologies. The apparatus includes: a processor and a memory. The method includes: setting each sampling point signal on an orthogonal frequency division multiplexing OFDM symbol, and obtaining an input signal; calculating a constraint matrix according to a frequency selective fading channel characteristic; and calculating an output signal according to the sampling point signal, the input signal, and the constraint matrix. The present invention resolves a problem that frequency selective fading has an impact on transmission of the OFDM symbol, and a constraint matrix obtained according to a flat fading channel characteristic is not applicable to the OFDM symbol, thereby achieving an effect of reducing the impact of the frequency selective fading on the transmission of the OFDM symbol.

Abstract translation: 本发明公开了一种信号处理方法和装置，涉及通信技术领域。 该装置包括：处理器和存储器。 该方法包括：在正交频分复用OFDM符号上设置每个采样点信号，并获得输入信号; 根据频率选择性衰落信道特性计算约束矩阵; 以及根据采样点信号，输入信号和约束矩阵计算输出信号。 本发明解决了频率选择性衰落对OFDM符号的发送有影响的问题，并且根据平坦衰落信道特性获得的约束矩阵不适用于OFDM符号，从而实现减少对OFDM符号的影响的效果 对OFDM符号传输的频率选择性衰落。

公开(公告)号：US20140301265A1

公开(公告)日：2014-10-09

申请号：US14299866

申请日：2014-06-09

Applicant: Huawei Technologies Co., LTD.

Inventor： Yalin Liu ,  Wei Zhang ,  Shunqing Zhang ,  Ye Wu

IPC: H04W52/02 ,  H04W72/04

CPC classification number: H04W72/0486 ,  H04W16/04 ,  H04W52/0206 ,  Y02D70/00

Abstract: Embodiments of present invention disclose a carrier control method, including: acquiring traffic information of a current period on one or more baseband boards in a base station itself, wherein the traffic information includes traffic of each sector; configuring, according to the acquired traffic information of the current period, a disabling sequence of the baseband board; determining, according to traffic information stored before the current period and the traffic information of the current period, a change situation of the traffic of each sector; and controlling, according to the change situation and the disabling sequence of the baseband board, carrier(s) in each sector. The embodiments of the present invention further disclose a base station device. Through the above technical solution, the carrier(s) in each sector can be controlled through the change situation of the traffic of the current period, so that resources are saved and a rate of utilization is improved.

Abstract translation: 本发明的实施例公开了一种载波控制方法，包括：在基站本身的一个或多个基带板上获取当前周期的业务信息，其中所述业务信息包括每个扇区的业务; 根据所获取的当前周期的交通信息，配置基带板的禁用序列; 根据当前时段之前存储的交通信息和当前时段的交通信息，确定每个扇区的业务的变化情况; 并根据基站板的变化情况和禁用顺序控制每个扇区中的运营商。 本发明的实施例还公开了一种基站装置。 通过上述技术方案，可以通过当前流量的变化情况控制各部门的运营商，节约资源，提高利用率。

公开(公告)号：US20230078895A1

公开(公告)日：2023-03-16

申请号：US18053356

申请日：2022-11-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ye Wu ,  Liuliu Ji

IPC: H04L5/00

Abstract: This application provides an uplink reference signal sending method, an uplink reference signal receiving method, and a communication apparatus, to obtain an accurate measurement result of an uplink channel. The method includes: determining, according to a resource allocation rule, downlink reference signal resources corresponding to a plurality of first resources used to carry an uplink reference signal in a plurality of uplink reference signal resources, where each uplink reference signal resource includes one or more first resources; determining, based on the downlink reference signal resource corresponding to each first resource, a precoding matrix corresponding to each first resource; and then sending a precoded uplink reference signal, where the precoded uplink reference signal is obtained by precoding the uplink reference signal based on the precoding matrix corresponding to each first resource.

公开(公告)号：US11463207B2

公开(公告)日：2022-10-04

申请号：US16810716

申请日：2020-03-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaohan Wang ,  Haicun Hang ,  Ye Wu

IPC: H04L1/18 ,  H04L5/00 ,  H04L5/10 ,  H04W72/04

Abstract: A data transmission method between a plurality of transmit end devices and a receive end device includes receiving at least one piece of transmission control information. The at least one piece of transmission control information includes transmission control information received by the receive end device from at least one of the plurality of transmit end devices, and transmission control information from each of the plurality of transmit end devices includes a retransmission process identifier. The transmission control information controls data transmission between transmit and receive end devices. The method also includes for each of the at least one piece of transmission control information, determining the transmit end device configured to send the piece of transmission control information, and performing a retransmission control operation on the data transmission received by the receive end device. The retransmission control operation includes the retransmission process identifier included in the piece of transmission control information.

公开(公告)号：US20220278726A1

公开(公告)日：2022-09-01

申请号：US17663727

申请日：2022-05-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ye Wu ,  Xiaoyan BI

IPC: H04B7/06 ,  H04W24/10 ,  H04L5/00 ,  H04W72/04

Abstract: This application provides a CSI measurement method and an apparatus. In the method, a terminal determines N (N is an integer greater than 1) RS groups, and sends the N RS groups to a network device. The network device receives the N RS groups sent by the terminal, and measures CSI based on at least one RS group in the N RS groups. The N RS groups each include a first RS used to measure the CSI and a second RS used to measure the CSI. Each of the first RS and the second RS in each RS group occupies one time-frequency resource segment. The time-frequency resource segment includes one time-domain resource segment and one frequency-domain resource segment. Frequency-domain resource segments occupied by different RS groups do not overlap. Time-domain resource segments occupied by different RS groups do not overlap.

公开(公告)号：US11290906B2

公开(公告)日：2022-03-29

申请号：US16832290

申请日：2020-03-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ye Wu ,  Huangping Jin ,  Xiaoyan Bi ,  Wei Han

IPC: H04W24/10 ,  H04W28/06 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/06

Abstract: Embodiments of the present invention provide a channel measurement method. The method includes: obtaining, for a to-be-measured frequency band including at least one reporting subband and at least one missing subband, channel state information of each reporting subband and channel state information of each missing subband, where the channel state information of each reporting subband is obtained based on channel estimation, and the channel state information of each missing subband is obtained according to a reference rule with reference to channel state information of a reporting subband that is indicated by the reference rule and that is in the at least one reporting subband; and sending a measurement report of the to-be-measured frequency band to a transmit end device, where the measurement report includes the channel state information of each reporting subband in the at least one reporting subband.

公开(公告)号：US11190321B2

公开(公告)日：2021-11-30

申请号：US16401686

申请日：2019-05-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ye Wu ,  Yong Liu ,  Xiaoyan Bi

IPC: H04W24/08 ,  H04L5/00 ,  H04B7/0456 ,  H04W72/04 ,  H04B7/04

Abstract: A reference signal transmission method is provided, including: generating, by a network side device, a transmission unit, where the transmission unit includes a user equipment-specific demodulation reference signal UE-specific DM-RS, a time-frequency region for unicast control, and a user-specific data time-frequency region; and sending the transmission unit to user equipment, where the UE-specific DM-RS is reused or shared to demodulate the time-frequency region for unicast control and the user-specific data time-frequency region.