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公开(公告)号：US20210219297A1
公开(公告)日：2021-07-15
申请号：US17214187
申请日：2021-03-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiang MI , Zhihu LUO , Xiaolei TIE , Zhe JIN
Abstract: This application provides example communication methods and apparatuses. One example method includes performing, by a network device on a preconfigured resource, data demodulation on uplink data from a terminal device. The network device can then send downlink control information (DCI) to the terminal device, where the DCI includes first indication information, and if the uplink data fails to be demodulated, or it is determined, based on a result of the data demodulation, that the terminal device needs to retransmit the uplink data, the first indication information indicates either the terminal device to initiate random access or EDT and retransmit the uplink data or that the uplink data fails to be demodulated.
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公开(公告)号：US20220361023A1
公开(公告)日：2022-11-10
申请号：US17870226
申请日：2022-07-21
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: This application relates to a communication method and apparatus. A terminal device sends first uplink data to a network device. After sending the first uplink data, the terminal device monitors a first downlink control channel in a first search space in a first duration; and after the first duration ends, the terminal device monitors a second downlink control channel in a second search space in a second duration. A length of a periodicity of the second search space is greater than a length of a periodicity of the first search space. In this case, the terminal device monitors the second downlink control channel based on the second search space at a low frequency. Therefore, the second search space with a long periodicity is set, so that power consumption of monitoring the downlink control channel by the terminal device can be reduced.
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公开(公告)号：US20210385788A1
公开(公告)日：2021-12-09
申请号：US17404193
申请日：2021-08-17
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: Embodiments provide a reference signal receiving and sending method. The solution is used in a plurality of cycles including a first cycle and a second cycle which each includes M first durations, and the first duration includes N paging occasions. The solution includes: determining a first target paging occasion that is in an mth first duration of the first cycle, where a relative location of the first target paging occasion in the first cycle is different from a relative location of a second target paging occasion in the second cycle, and the second target paging occasion is a target paging occasion in an mth first duration of the second cycle; determining, based on the first target paging occasion, a time domain resource that is in the mth first duration of the first cycle; and receiving or sending the reference signal on the time-frequency resource.
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公开(公告)号：US20220174600A1
公开(公告)日：2022-06-02
申请号：US17671690
申请日：2022-02-15
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiang MI , Xiaolei TIE , Zhihu LUO , Zhe JIN
Abstract: Methods and apparatuses for sending and receiving a wake-up signal sequence are disclosed. The method includes: determining N parameters/parameter for one paging occasion (PO), where the N parameters/parameter correspond(s) to N wake-up signal (WUS) resources/resource in WUS resources associated with the PO, N is an integer greater than or equal to 1, and when N>1, the N parameters are different from each other; generating N WUS sequence sets/set based on the N parameters/parameter, where the N WUS sequence sets/set are separately transmitted on associated resources in the N WUS resources, and each of the N WUS sequence sets includes at least one WUS sequence; and sending at least one sequence in a first WUS sequence set on a first WUS resource, where the first WUS resource is one of the N WUS resources, and the first WUS sequence set is a WUS sequence set transmitted on the first WUS resource.
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公开(公告)号：US20210168716A1
公开(公告)日：2021-06-03
申请号：US17172285
申请日：2021-02-10
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiang MI , Xiaolei TIE , Zhe JIN
Abstract: The present disclosure relates to methods and terminal devices for detecting a wake-up signal. A terminal device sends first information to a network device, where the first information indicates a reported gap, receives second information sent by the network device, and determines a configuration condition of a first gap and a configuration condition of a second gap based on the second information. The terminal device determines a target gap based on the reported gap, the configuration condition of the first gap, and the configuration condition of the second gap, and detects a wake-up signal at a detection position before a start position of the first paging opportunity in a paging time window, where the detection position is determined based on the target gap and maximum duration of the wake-up signal.
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Patent Agency Ranking
公开(公告)号：US20210067286A1
公开(公告)日：2021-03-04
申请号：US17095523
申请日：2020-11-11
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiang MI , Xiaolei TIE , Zhe JIN
IPC: H04L5/00
Abstract: A signal sending method, a signal receiving method, and an apparatus are provided. The method includes: A network device generates a first sequence, where the network device maps the first sequence to the last 11 orthogonal frequency division multiplexing OFDM symbols in a first subframe, and maps, to the first M OFDM symbols in the first subframe sequentially, a sequence that belongs to the first sequence and that is to be mapped to a first OFDM symbol to an Mth OFDM symbol, where the first OFDM symbol to the Mth OFDM symbol are M OFDM symbols of the last N OFDM symbols in the first subframe, N is greater than or equal to M, N is an integer greater than 0 and less than 12, and M is an integer greater than 0 and less than 4; and the network device sends the first subframe.
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公开(公告)号：US20220174731A1
公开(公告)日：2022-06-02
申请号：US17672149
申请日：2022-02-15
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiang MI , Xiaolei TIE , Jun LI , Zhe JIN
Abstract: A collision handling method and apparatus are provided. The method includes: a terminal device determines that PUR SS collides with Paging CSS; and the terminal device determines, based on a status of uplink data transmission in PUR associated with the PUR SS and/or a discontinuous reception DRX configuration status of the terminal device, to preferentially monitor the PUR SS or to preferentially monitor the Paging CSS. In the foregoing method, the terminal device determines, based on an actual situation, whether to preferentially monitor the PUR SS or preferentially monitor the paging CSS, so that when the terminal device is to preferentially monitor the PUR SS, the terminal device can receive a feedback of a network device for PUR transmission in time, and when the terminal device i to preferentially monitor the Paging CSS, it can be ensured that the terminal device can receive a paging message in time.
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公开(公告)号：US20220022117A1
公开(公告)日：2022-01-20
申请号：US17492002
申请日：2021-10-01
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Zhihu LUO , Wenping BI , Zhe JIN , Xingqing CHENG , Xiang MI , Yuwan SU
Abstract: The present disclosure discloses example communication methods and an example communication device. One example communication method includes receiving, by a communication device and from a first network device in a first communication system, a first access parameter used to access the first communication system and a second access parameter used to access a second communication system, where a system bandwidth of the first communication system is different from a system bandwidth of the second communication system. The first communication system is switched by the communication device to the second communication system based on the second access parameter when a switching condition of switching from the first communication system to the second communication system is satisfied.
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公开(公告)号：US20210360637A1
公开(公告)日：2021-11-18
申请号：US17391622
申请日：2021-08-02
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yuwan SU , Xiang MI , Xiaolei TIE , Zhe JIN
Abstract: Example communication methods and apparatus are described. In one example method, a first cell includes a plurality of terminal devices that can transmit uplink data on a same uplink time-frequency resource. A first terminal device in the plurality of terminal devices determines a reference time domain location based on a preconfigured uplink time-frequency resource, where the reference time domain location is the same as a reference time domain location determined by another terminal device in the plurality of terminal devices. The first terminal device determines a time domain location that is (first duration×N H+second duration×(N−1)) away from the reference time domain location as a start time domain location of X gaps. The first terminal device further determines a time domain location that is (first duration×(M−1)+second duration x (M−1)) away from the reference time domain location as a start time domain location of Y first durations, where Y=X or Y=X+1. Uplink data is sent by the first terminal device to a network device on a first time-frequency resource used to transmit uplink data.
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公开(公告)号：US20220022217A1
公开(公告)日：2022-01-20
申请号：US17489317
申请日：2021-09-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Wenping BI , Zheng YU , Xiang MI , Yubo YANG , Xingqing CHENG
Abstract: Embodiments of this application provide a communication method and device. The method includes: A first device determines first control information, where the first control information includes first indication information and second indication information, where the first indication information is used to indicate a state of preconfigured-resource transmission, and the state includes successful transmission, unsuccessful transmission, scheduling retransmission, or preconfigured-resource retransmission; and the second indication information is used to indicate whether the first device transmits first information, and the first information includes higher layer data and/or preconfigured uplink resource reconfiguration information. The first device sends the first control information to a second device. According to the method and device provided in the embodiments of this application, a network coverage capability can be improved, and the method and device may be applied to the internet of things, for example, MTC, IoT, LTE-M, or M2M.
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