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公开(公告)号：US20200153585A1
公开(公告)日：2020-05-14
申请号：US16746543
申请日：2020-01-17
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: This application discloses a reference signal transmission method and apparatus. The method includes: generating one or more OFDM symbols, where at least one OFDM symbol includes a PTRS resource block, the PTRS resource block includes at least two of three sequences: a PTRS sequence of Y elements, X elements after the PTRS sequence, and Z elements before the PTRS sequence, and the PTRS resource block occupies a plurality of consecutive resource elements REs, where X, Y, and Z are all integers; and sending the one or more OFDM symbols. According to the foregoing method and apparatus, inter-carrier interference is reduced, thereby improving spectral efficiency.
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公开(公告)号：US20200022171A1
公开(公告)日：2020-01-16
申请号：US16579585
申请日：2019-09-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Peng GUAN , Xiaoyong TANG , Lei CHEN
Abstract: This application provides a resource processing method and apparatus. The method includes: determining, by a network device, at least two beams that need to be transmitted; determining, by the network device, a time-frequency resource corresponding to each of the at least two beams; and determining, by the network device, a part of the time-frequency resource corresponding to each beam to serve as a common search space, where the part that corresponds to the common search space and that is of the time-frequency resource is used to carry control information transmitted to a terminal device. The resource processing method and apparatus provided in the embodiments of this application can ensure that all terminal devices detect a complete common search space when the terminal devices are distributed in different directions.
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公开(公告)号：US20190327056A1
公开(公告)日：2019-10-24
申请号：US16503225
申请日：2019-07-03
Applicant: Huawei Technologies Co., Ltd.
IPC: H04L5/00
Abstract: A reference signal sending method and a communications device are provided. The reference signal sending method includes: generating, by a first device, a tracking reference signal, where the tracking reference signal corresponds to a DMRS port that is used by the first device when the first device sends data to a second device; mapping, by the first device, the tracking reference signal to a time-frequency resource that is used by the first device when the first device sends the data to the second device through the DMRS port, where the tracking reference signal is mapped to at least two modulation symbols on a same frequency resource in one transmission slot; and sending, by the first device, the tracking reference signal mapped to the time-frequency resource to the second device.
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公开(公告)号：US20180310291A1
公开(公告)日：2018-10-25
申请号：US16022726
申请日：2018-06-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
CPC classification number: H04W72/044 , H04W72/04 , H04W72/1284
Abstract: The present application discloses a control signal sending method and apparatus. The method includes: when time-frequency resources are divided into m subbands and one common control channel or n dedicated control channels, selecting a subband from the m subbands, and selecting a control channel from the common control channel or the n dedicated control channels, where the m subbands respectively occupy different frequency resources, the common control channel or the n dedicated control channels respectively occupy frequency resources and/or time resources different from those occupied by the m subbands, m is an integer greater than or equal to 2, and n is an integer greater than or equal to 2; and sending service data of a terminal by using the selected subband, and sending a control signal corresponding to the service data by using the selected control channel. The apparatus includes: a processing unit and a sending unit.
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公开(公告)号：US20170171010A1
公开(公告)日：2017-06-15
申请号：US15431472
申请日：2017-02-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Daiming QU , Tao JIANG , Jun LI , Lei CHEN
CPC classification number: H04L27/2698 , H04B1/123 , H04L27/2627 , H04L27/264 , H04L27/34 , H04L27/362 , H04L27/365 , H04L27/366
Abstract: An FBMC signal transmitting method and receiving method, a transmitter, and a receiver are provided. The transmitting method includes: generating offset quadrature amplitude modulation OQAM symbols included on at least two subbands; mapping an OQAM symbol on each subband onto a respective subcarrier to obtain a frequency-domain signal, where a first frequency interval exists between adjacent subcarriers in a same subband, a second frequency interval exists between adjacent subcarriers that belong to two adjacent subbands, the second frequency interval is a sum of the first frequency interval and a guard band interval, and the guard band interval is a fractional multiple of the first frequency interval; generating an FBMC signal out of the frequency-domain signal; and transmitting the FBMC signal to a receiver.
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Patent Agency Ranking
96.发明申请公开(公告)号：US20160094377A1
公开(公告)日：2016-03-31
申请号：US14962856
申请日：2015-12-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Lei CHEN , Guangmei REN
CPC classification number: H04L27/2692 , H04L5/0053 , H04L5/0062 , H04L27/264
Abstract: Embodiments of the present disclosure relate to a method and an apparatus for sending a synchronization signal in an FBMC system in the field of communications, and are used for reducing the cost of a synchronization signal and improving the spectral efficiency. The method provided by the embodiments of the present disclosure includes: determining a sending time-frequency resource location of a synchronization symbol; determining a time-frequency resource location having mutual interference with the synchronization symbol; sending the synchronization symbol on the sending time-frequency resource location of the synchronization symbol, and sending a protection symbol on the time-frequency resource location having mutual interference with the synchronization symbol.
Abstract translation: 本公开的实施例涉及在通信领域中的FBMC系统中发送同步信号的方法和装置，并且用于降低同步信号的成本并提高频谱效率。 由本公开的实施例提供的方法包括：确定同步符号的发送时间 - 频率资源位置; 确定与所述同步符号相互干扰的时间 - 频率资源位置; 在所述同步符号的发送时间 - 频率资源位置上发送所述同步符号，并且在与所述同步符号相互干扰的所述时间 - 频率资源位置上发送保护符号。
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公开(公告)号：US20160056869A1
公开(公告)日：2016-02-25
申请号：US14933763
申请日：2015-11-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Tingjian TIAN , Hua YAN , Lei CHEN
CPC classification number: H04B7/0421 , H04B1/0475 , H04B7/02 , H04B7/0456 , H04B7/0617 , H04L29/06
Abstract: Disclosed are a method and device for sending a user-specific reference signal. The method provided in the present invention includes: determining a modulus identification, and performing interference elimination processing on a user-specific reference signal according to the modulus identification to obtain the user-specific reference signal after the interference elimination processing; performing beamforming processing on the user-specific reference signal after the interference elimination processing to obtain a beamforming reference signal; and performing inverse fast fourier transform (IFFT) and digital-analogue conversion on the beamforming reference signal to obtain an analogue signal of the user-specific reference signal, and sending the analogue signal to a user terminal.
Abstract translation: 公开了用于发送用户特定参考信号的方法和装置。 本发明提供的方法包括：确定模数识别，并根据模数识别对用户专用参考信号执行干扰消除处理，以获得干扰消除处理后的用户特定参考信号; 在干扰消除处理之后对用户专用参考信号执行波束成形处理以获得波束成形参考信号; 并对波束成形参考信号执行反向快速傅里叶变换（IFFT）和数字模拟转换，以获得用户特定参考信号的模拟信号，并将模拟信号发送到用户终端。
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公开(公告)号：US20250088403A1
公开(公告)日：2025-03-13
申请号：US18887573
申请日：2024-09-17
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Fengwei LIU , Lei CHEN
Abstract: This application discloses a signal transmission method, including: obtaining, by a terminal device, to-be-transmitted data, uplink control information, and a demodulation reference signal; mapping the to-be-transmitted data, the uplink control information, and the demodulation reference signal to generate multiplexed symbols. The multiplexed symbols include DFT-s-OFDM symbols or OFDM symbols. N first multiplexed symbols are located on one side or two sides of a second multiplexed symbol. A location relationship between each of the N first multiplexed symbols and the second multiplexed symbol satisfies a mapping condition. N is an integer greater than or equal to 1. The first multiplexed symbol is a multiplexed symbol to which the uplink control information is mapped, and the second multiplexed symbol is a multiplexed symbol to which the demodulation reference signal is mapped.
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公开(公告)号：US20240334280A1
公开(公告)日：2024-10-03
申请号：US18680040
申请日：2024-05-31
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Haisen ZHANG , Lei CHEN
CPC classification number: H04W36/08 , H04W36/322
Abstract: A communication method and apparatus, to improve performance of a harmonized communication and sensing technology. The method includes: executing a first sensing task; determining that the first sensing task is to be switched; and sending first information to a second network device, where the first information is used for requesting to switch the first sensing task to another network device, and the second network device is configured to manage a plurality of network devices including a first network device. When the first network device that executes a sensing task determines that the sensing task needs to be switched to the another network device, the first information is used for triggering the second network device to select an appropriate network device to execute the sensing task, so that interruption duration of the sensing task can be reduced, continuity of the sensing task can be improved.
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公开(公告)号：US20240323986A1
公开(公告)日：2024-09-26
申请号：US18672489
申请日：2024-05-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
IPC: H04W72/53 , H04L5/00 , H04W72/0453 , H04W72/23 , H04W80/02
CPC classification number: H04W72/53 , H04L5/0037 , H04W72/0453 , H04W72/23 , H04W80/02 , H04L5/001
Abstract: This application provides signal receiving and sending methods and apparatuses. One method includes: receiving downlink control information (DCI) on a first component carrier (CC), wherein the DCI indicates a second CC and a second bandwidth part (BWP), the second CC and the second BWP are used to transmit a physical downlink shared channel (PDSCH), the DCI comprises a transmission configuration indicator (TCI) field, and the second CC and the first CC are different CCs; and receiving the PDSCH using a first TCI state, wherein: the first TCI state is determined based on a first mapping relationship and a value of the TCI field; the first mapping relationship is a correspondence between at least one TCI state and at least one TCI field value and is determined based on the second CC and the second BWP.
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