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181.发明授权公开(公告)号：US10735080B2
公开(公告)日：2020-08-04
申请号：US16271367
申请日：2019-02-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ye Wu , Yong Liu , Xiaoyan Bi
IPC: H04B7/06 , H04L5/00 , H04B7/0452 , H04B7/0456 , H04W72/12
Abstract: This disclosure includes a transmission scheme indication method, and a data transmission method, apparatus, and system, pertaining to the field of communications technologies. The transmission scheme indication method includes: generating transmission scheme indication information, where the transmission scheme indication information is used to indicate one of at least two transmission schemes included in a current transmission mode, and the at least two transmission schemes include a beamforming transmit diversity transmission scheme; and sending the transmission scheme indication information. This application resolves a problem of relatively low flexibility in UE data transmission, and improves flexibility in UE data transmission. This application is used for data transmission.
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公开(公告)号：US10680773B2
公开(公告)日：2020-06-09
申请号：US16053185
申请日：2018-08-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Hongzhe Shi , Jin Liu , Dageng Chen , Xiaoyan Bi
Abstract: This application discloses a method and an apparatus for transmitting a pilot signal, so that more flexible resource configuration can be achieved, thereby improving resource usage. The method includes: determining, by a transmit end device based on prestored N pilot patterns, a target time-frequency resource for transmitting a pilot signal, where the target time-frequency resource corresponds to a total quantity of layers of a to-be-transmitted data stream, the N pilot patterns are different from each other, and N is a natural number greater than or equal to 1; and sending, by the transmit end device, indication information to a receive end device, where the indication information is used to instruct the receive end device to transmit the pilot signal to the transmit end device based on the target time-frequency resource.
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183.发明申请公开(公告)号：US20190229871A1
公开(公告)日：2019-07-25
申请号：US16370657
申请日：2019-03-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Hongzhe Shi , Yong Liu , Xiaoyan Bi
Abstract: The present disclosure discloses a demodulation reference signal (DMRS) port configuration information obtaining method, a DMRS port configuration information delivery method, and an apparatus, and relates to the field of communications technologies, to reduce signaling overheads. The DMRS port configuration information obtaining method may include: receiving, by user equipment (UE), indication information sent by a base station, where the indication information includes overview information of DMRS ports of all UEs scheduled by the base station; and obtaining, by the UE, DMRS port configuration information of all the UEs according to a preset rule and the indication information
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公开(公告)号：US10340998B2
公开(公告)日：2019-07-02
申请号：US15274170
申请日：2016-09-23
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaoyan Bi , Dageng Chen , Jian Li
Abstract: Embodiments of the present invention provide a channel state information obtaining method and a device, where the method includes: determining, by a base station according to radio resource usage, a special timeslot in a frequency range used for downlink data transmission; sending special-timeslot configuration information to user equipment, where the special-timeslot configuration information is used to configure the user equipment to send the uplink physical signal over a downlink frequency band in the special timeslot; and performing channel estimation according to the uplink physical signal after receiving the uplink physical signal sent by the user equipment, to obtain channel state information. Compared with a technical solution in the prior art in which user equipment obtains channel state information and then feeds back the channel state information to a base station, system overheads caused in obtaining, by the base station, the channel state information are reduced.
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Patent Agency Ranking
公开(公告)号：US09893782B2
公开(公告)日：2018-02-13
申请号：US15444609
申请日：2017-02-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Lei Huang , Dageng Chen , Xiaoyan Bi
IPC: H04B7/06 , H04B7/0413 , H04L27/26
CPC classification number: H04B7/06 , H04B7/04 , H04B7/0413 , H04B7/0613 , H04L1/0041 , H04L1/0061 , H04L1/06 , H04L5/0023 , H04L27/2626
Abstract: A data processing apparatus and a data processing method are provided. The method includes inputting q data streams, where each data stream includes Msymb complex-valued modulation symbols of one code word, and q and Msymb are integers greater than or equal to 1. The method also includes determining an l×l matrix used by the Msymb complex-valued modulation symbols included in each data stream, where the l×l matrix is one of an l×l identity matrix and a circulant matrix of the l×l identity matrix, and l is a quantity of transport layers. Additionally, the method includes performing, by using the determined l×l matrix, layer permutation mapping on the Msymb complex-valued modulation symbols included in each data stream.
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公开(公告)号：US20170034848A1
公开(公告)日：2017-02-02
申请号：US15295653
申请日：2016-10-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaoyan Bi , Dageng Chen , Hejia Luo
CPC classification number: H04W72/1289 , H04B7/0417 , H04B7/0486 , H04B7/0632 , H04B7/0697 , H04W24/10 , H04W40/02 , H04W72/02
Abstract: Embodiments provide a spatial flow determining method, a base station, and user equipment. The method includes sending, by a base station, a feedback mode indication to user equipment, where the feedback mode indication is used to instruct the user equipment to feed back, based on a packet granularity, channel state report (CSR) information, and each packet granularity includes at least one spatial flow. The method also includes receiving, by the base station, CSR information of each packet granularity that is sent by the user equipment; and determining, by the base station according to the CSR information of each packet granularity, a spatial flow used to transmit data to the user equipment.
Abstract translation: 实施例提供了空间流确定方法，基站和用户设备。 该方法包括：由基站向用户设备发送反馈模式指示，其中反馈模式指示用于指示用户设备反馈，基于分组粒度，信道状态报告（CSR）信息和每个 分组粒度包括至少一个空间流。 该方法还包括由基站接收由用户设备发送的每个分组粒度的CSR信息; 以及由基站根据每个分组粒度的CSR信息确定用于向用户设备发送数据的空间流。
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公开(公告)号：US20170012690A1
公开(公告)日：2017-01-12
申请号：US15274170
申请日：2016-09-23
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaoyan Bi , Dageng Chen , Jian Li
CPC classification number: H04B7/0626 , H04L5/14 , H04W72/0446 , H04W72/0453
Abstract: Embodiments of the present invention provide a channel state information obtaining method and a device, where the method includes: determining, by a base station according to radio resource usage, a special timeslot in a frequency range used for downlink data transmission; sending special-timeslot configuration information to user equipment, where the special-timeslot configuration information is used to configure the user equipment to send the uplink physical signal over a downlink frequency band in the special timeslot; and performing channel estimation according to the uplink physical signal after receiving the uplink physical signal sent by the user equipment, to obtain channel state information. Compared with a technical solution in the prior art in which user equipment obtains channel state information and then feeds back the channel state information to a base station, system overheads caused in obtaining, by the base station, the channel state information are reduced.
Abstract translation: 本发明的实施例提供了一种信道状态信息获取方法和装置，其中所述方法包括：基站根据无线电资源使用情况确定用于下行链路数据传输的频率范围内的特殊时隙; 向用户设备发送特殊时隙配置信息，其中特殊时隙配置信息用于配置用户设备通过特殊时隙的下行链路频带发送上行物理信号; 并在接收到用户设备发送的上行物理信号之后，根据上行物理信号进行信道估计，获得信道状态信息。 与现有技术中的技术方案相比，用户设备获得信道状态信息，然后将信道状态信息反馈给基站，由基站获得信道状态信息所引起的系统开销减少。
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公开(公告)号：US08989097B2
公开(公告)日：2015-03-24
申请号：US13763170
申请日：2013-02-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Wang , Xiaoyan Bi
CPC classification number: H04W72/085 , H04B7/0632 , H04B7/0684 , H04W72/1226
Abstract: The present invention provides a multi-antenna diversity scheduling method and apparatus. The method includes: transmitting pilot signals through x transmit antennas, where pilot signals on 1 to x−1 transmit antennas are a product of pilot symbols and a phase sequence, the phase sequence changes with at least one of time and frequency, the phase sequence changes more frequently than a user channel, and x is a positive integer greater than or equal to 2; receiving a transient channel quality information (CQI) value returned by a user according to the pilot signals; and according to the CQI value and a scheduling algorithm, scheduling the user to transmit data.
Abstract translation: 本发明提供一种多天线分集调度方法和装置。 该方法包括：通过x个发射天线发射导频信号，其中1到x-1发射天线上的导频信号是导频符号和相序的乘积，相位序列随着时间和频率中的至少一个而改变，相位序列 变化比用户通道更频繁，x是大于或等于2的正整数; 接收用户根据导频信号返回的瞬时信道质量信息（CQI）值; 并根据CQI值和调度算法，调度用户发送数据。
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公开(公告)号：US20130148608A1
公开(公告)日：2013-06-13
申请号：US13763170
申请日：2013-02-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Wang , Xiaoyan Bi
IPC: H04W72/08
CPC classification number: H04W72/085 , H04B7/0632 , H04B7/0684 , H04W72/1226
Abstract: The present invention provides a multi-antenna diversity scheduling method and apparatus. The method includes: transmitting pilot signals through x transmit antennas, where pilot signals on 1 to x−1 transmit antennas are a product of pilot symbols and a phase sequence, the phase sequence changes with at least one of time and frequency, the phase sequence changes more frequently than a user channel, and x is a positive integer greater than or equal to 2; receiving a transient channel quality information (CQI) value returned by a user according to the pilot signals; and according to the CQI value and a scheduling algorithm, scheduling the user to transmit data.
Abstract translation: 本发明提供一种多天线分集调度方法和装置。 该方法包括：通过x个发射天线发射导频信号，其中1到x-1发射天线上的导频信号是导频符号和相序的乘积，相位序列随时间和频率中的至少一个而改变，相位序列 变化比用户通道更频繁，x是大于或等于2的正整数; 接收用户根据导频信号返回的瞬时信道质量信息（CQI）值; 并根据CQI值和调度算法，调度用户发送数据。
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