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公开(公告)号：US20170195894A1
公开(公告)日：2017-07-06
申请号：US15469028
申请日：2017-03-24
Applicant: Huawei Technologies Co., Ltd.
Inventor： Rong Wen , Jia He , Huang Huang
CPC classification number: H04W16/28 , H04B7/0408 , H04B7/0413 , H04B7/063 , H04B7/0695 , H04B7/088 , H04W72/0493 , H04W72/085
Abstract: A wireless communications method and a wireless communications system are disclosed. In an embodiment, the system includes a transmit end including a transmit module having at least two antenna units, the transmit module is configured to transmit M narrow beams with different spatial directions according to a quality of service requirement, and switches a transmit mode according to a preset switching rule, wherein a set of the spatial directions of the M narrow beams forms a transmit mode; a receive end including a receive module having at least two antenna units, the receive module is configured to receive N beams according to the QoS requirement, and a transmission channel is formed, wherein the receive end calculates transmission channel quality in different transmit modes, searches for a transmit mode that meets the QoS requirement, and feeds back the transmit mode to the transmit end.
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72.发明授权公开(公告)号：US09473326B2
公开(公告)日：2016-10-18
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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73.发明申请Transmitting Circuit, Transceiver, Communication System, and Method for Transmitting Data 有权传输电路，收发器，通信系统和传输数据的方法公开(公告)号：US20150139348A1
公开(公告)日：2015-05-21
申请号：US14610667
申请日：2015-01-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wen Tong , Guangjian Wang , Huang Huang , Xi Yan , Kunpeng Liu
CPC classification number: H04L27/2627 , H04B1/0007 , H04B1/0053 , H04B7/068 , H04L27/2649
Abstract: A transmitting circuit, a transceiver, a communication system, and a method for transmitting data. The transmitting circuit includes a digital interface circuit configured to obtain, in a predetermined bandwidth, data to be sent, and decompose the data into N parallel sub digital signal flows; a digital modulation circuit configured to modulate the N sub digital signal flows to obtain N modulated signals; a frequency relocation circuit configured to perform frequency relocation on the N modulated signals; a synthesizer configured to modulate M modulated signals of the N modulated signals that have undergone frequency relocation into a bandwidth signal; a digital to analog converter configured to receive the bandwidth signal, and perform digital to analog conversion on the bandwidth signal to obtain an analog signal; an up-conversion circuit configured to receive the analog signal, and convert the analog signal into a radio frequency signal.
Abstract translation: 发送电路，收发器，通信系统以及发送数据的方法。 发送电路包括：数字接口电路，被配置为以预定带宽获得要发送的数据，并将数据分解成N个并行子数字信号流; 数字调制电路，被配置为调制N个子数字信号流以获得N个调制信号; 频率重定位电路，被配置为对所述N个调制信号执行频率重定位; 合成器，被配置为将经过频率重定位的N个调制信号的M个调制信号调制成带宽信号; 配置为接收带宽信号的数模转换器，并对带宽信号进行数模转换以获得模拟信号; 上变频电路，被配置为接收模拟信号，并将模拟信号转换成射频信号。
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公开(公告)号：US20130101009A1
公开(公告)日：2013-04-25
申请号：US13712671
申请日：2012-12-12
Applicant: Huawei Technologies Co., Ltd.
Inventor： Huang Huang , Kin Nang Lau , Yinggang Du
CPC classification number: H04B1/62 , H04B7/0413 , H04L25/03343 , H04L27/01
Abstract: The present invention provides a data stream processing method, device, and system. The data stream processing method includes: using a precoding parameter to perform precoding processing on an lth to-be-sent data stream of a current kth transmitting device, where the lth to-be-sent data stream includes a lattice point data stream mapped to a lattice grid; and sending the precoded lth to-be-sent data stream to a kth receiving device, where both l and k are positive integers. The technical solutions in the embodiments of the present invention can be helpful for filtering out interference, exactly complies with an actual processing procedure of an interfering data stream, and have strong practicability.
Abstract translation: 本发明提供一种数据流处理方法，装置和系统。 数据流处理方法包括：使用预编码参数对当前第k个发送设备的第一待发送数据流执行预编码处理，其中第一待发送数据流包括映射到 格子格 并将预编码的第一待发送数据流发送到第k个接收设备，其中l和k都是正整数。 本发明实施例中的技术方案可以有助于滤除干扰，完全符合干扰数据流的实际处理过程，具有很强的实用性。
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公开(公告)号：US20250141719A1
公开(公告)日：2025-05-01
申请号：US18963072
申请日：2024-11-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Nuwan Suresh Ferdinand , Huang Huang
Abstract: Methods and apparatus related to pulse-shaped and overlapped phase tracking reference signals are disclosed. Signaling that indicates information associated with first pulse shaping is communicated between a first communication device and a second communication device in a wireless communication network. Data with a phase tracking reference signal (PT-RS) is generated based on the first pulse shaping, and is transmitted and/or received as pulse-shaped PT-RS and data comprising the PT-RS and data to which second pulse shaping, different from the first pulse shaping, has been applied.
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Patent Agency Ranking
76.发明申请公开(公告)号：US20250070815A1
公开(公告)日：2025-02-27
申请号：US18941859
申请日：2024-11-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mao Yan , Huang Huang , Hua Shao , Lei Chen
IPC: H04B1/40
Abstract: Embodiments of this application disclose a backscatter communication method and a related apparatus. The method includes: receiving, by a backscatter device, a first signal from an excitation device, the first signal carries a first sequence determined by the excitation device; modulating, by the backscatter device, backscatter device data to the first signal to obtain a second signal, wherein the backscatter device data is scrambled by the first sequence; backscattering, by the backscatter device, the second signal to a receiving device.
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公开(公告)号：US20240396770A1
公开(公告)日：2024-11-28
申请号：US18680679
申请日：2024-05-31
Applicant: Huawei Technologies Co., Ltd.
Inventor： Nuwan Suresh Ferdinand , Huang Huang
Abstract: The present disclosure relates to pulse shaping-based reference signals. Signaling indicating information that is associated with pulse shaping and information associated with a target length of a sequence for a reference signal such as a demodulation reference signal (DMRS) is communicated between a first communication device and a second communication device in a wireless communication network. The reference signal is also communicated in the wireless communication network. The reference signal comprises a sequence of the target length to which the pulse shaping has been applied. The sequence comprises a base sequence that is determined based on the pulse shaping.
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78.发明授权公开(公告)号：US12143143B2
公开(公告)日：2024-11-12
申请号：US17455482
申请日：2021-11-18
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mao Yan , Huang Huang , Hua Shao , Lei Chen
IPC: H04B1/40
Abstract: Embodiments of this application disclose a backscatter communication method and a related apparatus. The method includes: An excitation device determines a first sequence, generates a first signal, and sends the first signal, where the first signal carries the first sequence; after receiving the first signal, a backscatter device modulates backscatter device data onto the received first signal to obtain a second signal, and backscatters the second signal, to implement first scrambling on the backscatter device data by using the first sequence; and a receiving device determines the first sequence, receives the second signal from the backscatter device, and demodulates the received second signal based on the first sequence, to obtain the backscatter device data carried on the second signal.
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公开(公告)号：US11838885B2
公开(公告)日：2023-12-05
申请号：US17986466
申请日：2022-11-14
Applicant: Huawei Technologies Co., Ltd.
Inventor： Hua Shao , Zhe Liu , Huang Huang
IPC: H04W56/00 , H04L5/00 , H04W72/1268
CPC classification number: H04W56/0045 , H04L5/001 , H04W72/1268
Abstract: This application provides a method and an apparatus for determining an effective time of a timing advance (TA). The method includes: determining a first subcarrier spacing from M subcarrier spacings, where the M subcarrier spacings are subcarrier spacings of L carriers used by a terminal device, and L≥M≥2; and determining an effective time of a timing advance (TA) of each of the L carriers based on the first subcarrier spacing.
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公开(公告)号：US11770281B2
公开(公告)日：2023-09-26
申请号：US17573318
申请日：2022-01-11
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Fengwei Liu , Huang Huang
CPC classification number: H04L27/2607 , H04L25/03178
Abstract: This application provides a symbol processing method and related apparatus. The method includes: dividing a plurality of obtained complex-valued symbols into a plurality of sets, where each set corresponds to one transmit symbol, and the plurality of sets include a first set corresponding to a first transmit symbol; and mapping a first sequence and a second sequence to the first set, where an end position of the first sequence is a position of intercepting a cyclic prefix (CP) in the first transmit symbol, and an end position of the second sequence is an end position of the first transmit symbol. By mapping the sequences to the sets, an original cyclic prefix (CP) can be extended using a sequence with a flexible length, and flexible guard periods of different lengths can be configured for different users by adjusting the length of the sequences.
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