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公开(公告)号：US20210250147A1
公开(公告)日：2021-08-12
申请号：US17241689
申请日：2021-04-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Min YAN , Guangjian WANG , Wei LIN , Mengyao MA , Yanchun LI
IPC: H04L5/00
Abstract: A communications apparatus includes a processor configured to generate a radio frame. The radio frame comprises a data block. The data block comprises a plurality of N pilot blocks, a plurality of M sub-data blocks, and one guard interval (GI). Every two N pilot blocks of the plurality of N pilot blocks are not adjacent. The GI is located at a tail end of the data block, 4≤N≤8, N is an integer, M≥N−1, and M is an integer. The communications apparatus also includes transceiver configured to send the radio frame to a receiver.
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公开(公告)号：US20180343155A1
公开(公告)日：2018-11-29
申请号：US16052519
申请日：2018-08-01
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Kun ZENG , Huang HUANG , Guangjian WANG
CPC classification number: H04L27/2662 , H04L5/0048 , H04L27/2613 , H04W72/04 , H04W72/042 , H04W72/0446
Abstract: The present application discloses a communications method and apparatus. The method includes: determining a radio frame, where the radio frame includes a period, the period includes at least one first sub-period and at least one second sub-period, the first sub-period corresponds to a first procedure, and the second sub-period corresponds to a second procedure; the first sub-period includes n first time slices, different beams are used in adjacent first time slices in the n first time slices, there is a first guard interval between the adjacent first time slices, and the second sub-period includes m second time slices; and at least one first time slice is adjacent to at least one second time slice and there is no guard interval between the at least one first time slice and the at least one second time slice that are adjacent to each other; and performing communication by using the radio frame.
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3.发明申请公开(公告)号：US20160072644A1
公开(公告)日：2016-03-10
申请号：US14942928
申请日：2015-11-16
Applicant: Huawei Technologies Co., Ltd.
Inventor： Huang HUANG , Xi YAN , Guangjian WANG
CPC classification number: H04L25/0204 , H04B7/0413 , H04B7/0615 , H04L5/0007 , H04L25/0224 , H04L25/0228 , H04L27/261 , H04L27/2647 , H04L2027/003
Abstract: Embodiments of the present invention provide a method for signal compensation. The method includes: receiving, by a receiver via N receiving antennas, a plurality of channel estimation preamble signals sent by M transmitting antennas of a remote transmitter, wherein the plurality of channel estimation preamble signals contain measurement signals of the M transmitting antennas; determining, by the receiver, channel estimation parameters and channel phase shift parameters according to the measurement signals of the M transmitting antennas of the remote transmitter; and determining, by the receiver, signal compensation according to the channel estimation parameters and the channel phase shift parameters. According to the method for signal compensation and the multiple-input multiple-output orthogonal frequency division multiplexing communication system provided by the embodiments of the present invention, accuracy of an estimated value of transmitted data is improved.
Abstract translation: 本发明的实施例提供了一种用于信号补偿的方法。 该方法包括：通过N个接收天线由接收机接收由远程发射机的M个发射天线发送的多个信道估计前导信号，其中多个信道估计前导信号包含M个发射天线的测量信号; 根据远程发射机的M个发射天线的测量信号，由接收机确定信道估计参数和信道相移参数; 以及由接收机根据信道估计参数和信道相移参数确定信号补偿。 根据本发明实施例提供的信号补偿方法和多输入多输出正交频分复用通信系统，提高了传输数据估计值的精度。
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公开(公告)号：US20210345444A1
公开(公告)日：2021-11-04
申请号：US17375745
申请日：2021-07-14
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Peng LIU , Guangjian WANG , Jingjing HUANG
Abstract: This application provides an example data transmission method, a related example device, and an example system. One example method may include receiving, by a terminal device, indication information sent by a network-side device, where the indication information is used to indicate a receiving time period, and the receiving time period is after a power saving mode (PSM) period. The method also includes obtaining, by the terminal device, a timing advance (TA) value in the receiving time period. The method also includes sending, by the terminal device, data to the network-side device based on the TA value.
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公开(公告)号：US20180368020A1
公开(公告)日：2018-12-20
申请号：US16119324
申请日：2018-08-31
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Kun ZENG , Guangjian WANG , Yingpei LIN , Yan XIN
IPC: H04W28/02 , H04B7/0408 , H04W16/28 , H04B7/08
Abstract: A directional link maintenance method and a station STA to improve accuracy and timeliness of directional link availability determined by the STA are described. In at least one embodiment, the method includes monitoring, by a first station STA, an information packet, where the information packet carries first identification information, and the first identification information is used to identify a first directional transmit beam that is used a second STA when the second STA sends the information packet; determining, by the first STA, whether the information packet is an information packet that is sent by the second STA to a third STA, and obtaining the first identification information if the information packet is an information packet that is sent by the second STA to the third STA; and determining, by the first STA, whether the first identification information matches preset second identification information.
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Patent Agency Ranking
公开(公告)号：US20230102549A1
公开(公告)日：2023-03-30
申请号：US18063364
申请日：2022-12-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Songlin SHUAI , Xianbin YU , Zijie LU , Hua CAI , Guangjian WANG
IPC: H04B10/516 , H04B10/50
Abstract: This application discloses a signal generating method, apparatus, and system. One example method includes: performing cyclic electro-optic modulation on a first signal to generate a first optical frequency comb signal, where the first signal is a signal output by a laser source, the first optical frequency comb signal includes a target spectral component, and a frequency of the target spectral component is equal to a sum of or a difference between a frequency of the first signal and a frequency of a target signal; performing first filtering processing on the first optical frequency comb signal to generate the target spectral component; and generating the target signal based on a heterodyne beat frequency of the first signal and the target spectral component.
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公开(公告)号：US20230073967A1
公开(公告)日：2023-03-09
申请号：US17983549
申请日：2022-11-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Qianfu CHENG , Hua CAI , Guangjian WANG
Abstract: This application discloses example multi-phase-based Doherty power amplifier control methods and apparatus An example method includes obtaining a baseband signal and generating two vector signals based on the baseband signal, where the two vector signals each include a phase signal and amplitude signal, and the two vector signals are non-orthogonal signals. Amplitude control signals of a target power amplifier are obtained based on quantization encoding of amplitude signals of the two vector signals, where the target power amplifier includes a main and power amplifier, and the main and auxiliary power amplifier each include a plurality of working cells. Phase control signals of the target power amplifier are obtained based on phase signals of the two vector signals. Based on the phase control signals and the amplitude control signals, a plurality of working cells in the main power amplifier and the auxiliary power amplifier to output power signals are controlled.
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公开(公告)号：US20210399697A1
公开(公告)日：2021-12-23
申请号：US17466334
申请日：2021-09-03
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Qianfu CHENG , Guangjian WANG
Abstract: This application provides a power amplification apparatus, a beamforming system, a transmitter, and a base station. The apparatus includes a power amplifier that amplifies a first signal, a power supply, and a power supply modulator that controls, based on an envelope signal corresponding to the first signal, an operating voltage provided by the power supply to the power amplifier. The apparatus is further configured to amplify a second signal. The first signal is generated based on the part of a target amplified signal whose amplitude falls within a preset amplitude range. The second signal is generated based on the part of the target amplified signal whose amplitude falls beyond the preset amplitude range.
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9.发明申请公开(公告)号：US20210281318A1
公开(公告)日：2021-09-09
申请号：US17329718
申请日：2021-05-25
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jun CHEN , Guangjian WANG , Yinggang DU , Peng LIU
IPC: H04B7/185
Abstract: This application provides an example satellite, an example terminal device, an example satellite communication system, and an example satellite communication method. One example satellite communication method includes obtaining, by a first satellite, at a media access control (MAC) layer, data and/or signaling, where the first satellite is a low orbit satellite. When MAC-layer first processing needs to be performed on the data and/or the signaling, performing, by the first satellite, the MAC-layer first processing on the data and/or the signaling. The MAC-layer first processing includes at least one of hybrid automatic repeat request (HARM) function processing or random access (RA) function processing.
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公开(公告)号：US20190158245A1
公开(公告)日：2019-05-23
申请号：US16250741
申请日：2019-01-17
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Kun ZENG , Guangjian WANG , Kunpeng LIU
Abstract: A method includes determining, by a terminal, a time domain resource sending position of an uplink reference signal of the terminal on a high frequency link, where there is a guard interval at at least one end of the uplink reference signal, after arriving at the time domain resource sending position, switching transmit beams in different time slices in M time slices to transmit the uplink reference signal, where the uplink reference signal includes uplink reference signals transmitted in the M different time slices, and determining, by a high frequency base station, N time slices that are used to receive an uplink reference signal transmitted by the terminal in a single time slice of the terminal, and switching receive beams in different time slices in the N time slices to receive the uplink reference signal of the terminal.
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