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公开(公告)号：US10284411B2
公开(公告)日：2019-05-07
申请号：US15264330
申请日：2016-09-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Haicun Hang , Ye Wu
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.
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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。
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公开(公告)号：US20250141525A1
公开(公告)日：2025-05-01
申请号：US19009306
申请日：2025-01-03
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaomeng Chai , Yan Sun , Haicun Hang , Jiaxuan Chen
IPC: H04B7/06
Abstract: In accordance with an embodiment, a method includes encoding channel information of N downlink transport layers using a first encoder to determine N pieces of first channel state indication information wherein N is a positive integer greater than 1; encoding the N pieces of first channel state indication information using a second encoder to determine second channel state indication information, wherein the second channel state indication information corresponds to the N downlink transport layers, and a sequence length corresponding to the second channel state indication information is less than a sum of sequence lengths corresponding to the N pieces of first channel state indication information; and sending the second channel state indication information.
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公开(公告)号：US12132589B2
公开(公告)日：2024-10-29
申请号：US17136660
申请日：2020-12-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Shibin Ge , Xiaoyan Bi , Min Zhang , Xiaohan Wang , Haicun Hang
CPC classification number: H04L25/03866 , H04W72/23
Abstract: Data scrambling methods and devices are provided in this disclosure. One method comprises: configuring, by a communications device, a plurality of scrambling identifiers associated with different downlink control information (DCI) configuration information, wherein the DCI configuration information is parameter information used to obtain a downlink control channel; and sending, by the communications device, the plurality of scrambling identifiers to a terminal device.
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公开(公告)号：US12108396B2
公开(公告)日：2024-10-01
申请号：US17372075
申请日：2021-07-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Liuliu Ji , Shibin Ge , Haicun Hang , Xiaohan Wang , Xiaoyan Bi
IPC: H04W72/20
CPC classification number: H04W72/20
Abstract: This application provides an information transmission method and apparatus. The method includes: receiving, by a terminal device, a plurality of downlink data channels, where the plurality of downlink data channels are scheduled through a plurality of downlink control channels; determining, by the terminal device based on the plurality of downlink data channels, one or more pieces of feedback information corresponding to at least two downlink data channels; and sending, by the terminal device, the one or more pieces of feedback information through a same uplink control channel.
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Patent Agency Ranking
公开(公告)号：US12063648B2
公开(公告)日：2024-08-13
申请号：US17371300
申请日：2021-07-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Liuliu Ji , Shibin Ge , Haicun Hang , Xiaohan Wang , Xiaoyan Bi , Hongzhe Shi
IPC: H04W72/1273 , H04W72/0446 , H04W72/12 , H04W72/23
CPC classification number: H04W72/1273 , H04W72/0446 , H04W72/12 , H04W72/23
Abstract: This application provides a data transmission method and a communication apparatus, to improve data transmission reliability. The method includes: receiving downlink control information (DCI); determining a plurality of pieces of quasi-co-location (QCL) information based on the DCI; and receiving downlink data based on the plurality of pieces of QCL information. The plurality of pieces of QCL information correspond to a plurality of time domain units, each time domain unit corresponds to at least one piece of QCL information, and at least two of the plurality of pieces of QCL information are different, that is, the downlink data is from at least two network devices.
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公开(公告)号：US11870525B2
公开(公告)日：2024-01-09
申请号：US17337156
申请日：2021-06-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Haicun Hang , Shibin Ge , Hongzhe Shi , Xiaohan Wang , Liuliu Ji , Xiaoyan Bi
IPC: H04B7/06 , H04B17/336 , H04L5/00 , H04W24/10
CPC classification number: H04B7/0626 , H04B17/336 , H04L5/0051 , H04W24/10
Abstract: This application provides a channel measurement configuration method and a communications apparatus. The method includes: receiving, by a terminal device, a measurement configuration, where the measurement configuration includes a plurality of resource settings, and the plurality of resource settings include a plurality of resource settings for channel measurement and a plurality of resource settings for interference measurement; receiving, by the terminal device, channel state information reference signals CSI-RSs on resources configured in the plurality of resource settings; and generating, by the terminal device, a CSI group based on the CSI-RSs, where the CSI group includes one or more pieces of CSI. In embodiments of this application, a plurality of resource settings for channel measurement and a plurality of resource settings for interference measurement are associated in one report setting.
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公开(公告)号：US11705941B2
公开(公告)日：2023-07-18
申请号：US17370962
申请日：2021-07-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Liuliu Ji , Xiaohan Wang , Haicun Hang , Shibin Ge , Xiaoyan Bi
CPC classification number: H04B7/024 , H04B7/0608 , H04L5/0023
Abstract: This application relates to the field of communications technologies and provides a quasi co-location indication method and an apparatus, so that a terminal learns of a quasi co-location relationship between a plurality of antenna ports of a first reference signal resource. The method includes: A terminal receives quasi-co-location indication information, where the quasi-co-location indication information is used to indicate M antenna port groups corresponding to a first reference signal resource, each of the M antenna port groups includes one or more CDM groups of the first reference signal resource, the CDM group includes a plurality of antenna ports, and any two antenna ports in a same antenna port group are in a quasi-co-location relationship. Then, the terminal determines a quasi-co-location relationship between a plurality of antenna ports of the first reference signal resource based on the quasi-co-location indication information.
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公开(公告)号：US11540267B2
公开(公告)日：2022-12-27
申请号：US17172227
申请日：2021-02-10
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Haicun Hang , Shibin Ge , Xiaohan Wang , Xiaoyan Bi
Abstract: Methods, systems, and apparatus for downlink control information (DCI) detection are provided. In one aspect, a DCI detection method includes: receiving a configuration parameter that is used to configure at least one or more groups of candidate resources, each of the one or more groups of candidate resources carrying one piece of DCI, and in response to determining that one corresponding piece of DCI is blindly detected from one of the one or more groups of candidate resources, stopping the blind detection on the one of the one or more groups of candidate resources.
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公开(公告)号：US11172499B2
公开(公告)日：2021-11-09
申请号：US16579240
申请日：2019-09-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Haicun Hang , Ye Wu , Qian Zhang
Abstract: This application discloses an information transmission method, apparatus, and system, and belongs to the field of communications technologies. The method includes: generating, by a base station, amount indication information, where the amount indication information is used to indicate a maximum amount of downlink control information; sending, by the base station, the amount indication information to user equipment; receiving, by the user equipment, the amount indication information; and receiving, by the user equipment, downlink control information based on the amount indication information. In this application, the amount indication information is sent to the user equipment, so that the user equipment receives the downlink control information based on the amount indication information. This can resolve a problem that complexity of blind detection performed by the user equipment is relatively high, thereby reducing the complexity of the blind detection performed by the user equipment.
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