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公开(公告)号：US12127072B2
公开(公告)日：2024-10-22
申请号：US17214457
申请日：2021-03-26
发明人： Lei Chen , Bingzhao Li , Li Chai
CPC分类号： H04W4/029 , G01S5/0236 , G01S5/12
摘要： Embodiments of this application disclose a positioning method and an apparatus, to reduce a quantity of transmission points needed to calculate a position of a terminal, thereby reducing positioning calculation complexity. The method for calculating the position includes: receiving, by a terminal, positioning assistance information sent by a positioning entity, where the positioning assistance information includes a cell identity of a cell in which a to-be-measured transmission point is located, an identity of the to-be-measured transmission point, and positioning reference signal configuration information of the to-be-measured transmission point; measuring, by the terminal, the to-be-measured transmission point based on the positioning assistance information, to obtain a measurement result, where the measurement result includes positioning reference signal information of the to-be-measured transmission point; and sending, by the terminal, the measurement result to a positioning entity.
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公开(公告)号：US20230396488A1
公开(公告)日：2023-12-07
申请号：US18450919
申请日：2023-08-16
发明人： Bin Xu , Bingzhao Li , Li Chai , Zhenzhen Cao
IPC分类号： H04L41/0668 , H04W76/27 , H04L1/08 , H04W24/02 , H04W72/0453
CPC分类号： H04L41/0668 , H04W76/27 , H04W72/0453 , H04W24/02 , H04L1/08
摘要： This application provides a method for handling a radio link failure, a terminal device, and a network device. The method includes: sending, by a terminal device, duplicated data packets to a network device on a first carrier and a second carrier; and sending, by the terminal device, RLF indication information to the network device in accordance with determining that an RLF event occurs on at least one of the first carrier and the second carrier, where the RLF indication information is used to indicate that the RLF event occurs on the first carrier, the second carrier, or the first carrier and the second carrier. The foregoing technical solution can optimize handling of the radio link failure.
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公开(公告)号：US11711708B2
公开(公告)日：2023-07-25
申请号：US16991560
申请日：2020-08-12
发明人： Xun Tang , Li Chai , Jian Zhang
IPC分类号： H04W24/10 , H04W68/00 , H04W72/0446 , H04W72/0453 , H04W72/56
CPC分类号： H04W24/10 , H04W68/005 , H04W72/0446 , H04W72/0453 , H04W72/56
摘要： A communication method and a communications apparatus are disclosed to provide an implementation solution for measuring, in an idle state, a carrier. The method includes: initiating, in an idle state, measurement on one or more carriers when a volume of to-be-sent data exceeds a first threshold, or initiating measurement on one or more carriers when a paging message is received; and sending an obtained measurement result to a network device.
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公开(公告)号：US11695515B2
公开(公告)日：2023-07-04
申请号：US17018819
申请日：2020-09-11
IPC分类号： H04L1/18 , H04W76/10 , H04W88/06 , H04L1/1867 , H04L1/1822 , H04L1/1825 , H04W76/15 , H04W76/28 , H04L1/1812 , H04W16/14 , H04L1/00
CPC分类号： H04L1/18 , H04L1/1812 , H04L1/1822 , H04L1/1825 , H04L1/1896 , H04W16/14 , H04W76/10 , H04W76/15 , H04W76/28 , H04W88/06 , H04L1/1887 , H04L2001/0093
摘要： A data sending method is provided. The method includes: allocating, by a Media Access Control (MAC) entity of a first network node, data packets to at least one hybrid automatic repeat request (HARQ) unit of at least two cells, where the at least two cells use different radio access technologies RATs, the at least two cells share one HARQ unit or each of the at least two cells is corresponding to one HARQ unit, and the HARQ unit is a HARQ entity and/or a HARQ process; and sending, by the first network node, the data packets to a second network node by using the at least two cells. According to the foregoing solution, the data packets are allocated to the at least one HARQ unit of the at least two cells by using a shared MAC layer, so as to effectively reduce an end-to-end delay.
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公开(公告)号：US11330602B2
公开(公告)日：2022-05-10
申请号：US16674280
申请日：2019-11-05
发明人： Xun Tang , Wei Quan , Jian Zhang , Li Chai , Jinhua Miao
摘要： A wireless communication method, a terminal device, and a network device are provided. The terminal device receives a first indication message sent by the network device, so that the terminal device may select, according to the first indication message, to fly in an appropriate cell. This ensures communication between the terminal device and the network device. The method includes: receiving, by the terminal device, the first indication message sent by the network device. The first indication message includes at least one of: flight zone restriction information of at least one cell, flight altitude information of the at least one cell, flight speed information of the at least one cell, volume information of a flight device, and weight information of the flight device, and/or the first indication message includes information about a flight transmission characteristic supported by the at least one cell.
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公开(公告)号：US11076399B2
公开(公告)日：2021-07-27
申请号：US16251969
申请日：2019-01-18
发明人： Li Chai , Bo Lin , Liangliang Zhang
摘要： A service transmission method is provided. A first base station, which establishes an RRC connection with a UE, sends a request message to a second base station which is at least one of base stations serving the UE, where the request message includes service information, where the service information includes QoS information of a service and/or configuration information of an RB, and the request message instructs the second base station to perform resource configuration according to service information. The first base station sends a configuration message to the UE, where the configuration message includes configuration list information of the RB and/or cell information of the offload base station.
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公开(公告)号：US20210212047A1
公开(公告)日：2021-07-08
申请号：US17209933
申请日：2021-03-23
IPC分类号： H04W72/04 , H04W24/10 , H04W36/16 , H04W16/28 , H04W36/00 , H04W24/04 , H04B7/06 , H04B7/0408 , H04W72/12 , H04W74/08 , H04W88/02
摘要： Embodiments of the present disclosure provide a communication method, and a communications apparatus and system. User equipment can communicate with the network device by using a plurality of beams, the plurality of beams include a first beam and at least one second beam, the first beam is a serving beam used by the user equipment to listen to control information, and the second beam is a beam other than the serving beam. The method includes: determining, by the user equipment, that the serving beam is blocked; and obtaining, by the user equipment, a first message from the network device by using the first beam or the second beam.
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公开(公告)号：US11039418B2
公开(公告)日：2021-06-15
申请号：US16040156
申请日：2018-07-19
发明人： Li Chai , Jian Zhang , Wei Quan
摘要： Example methods for processing a system message and network devices are described herein. One example method includes obtaining, by a user terminal, indication information, wherein the indication information indicates that a system message of a cell cluster has changed or whether a system message of a cell cluster has changed, wherein the cell cluster comprises a set of at least one cell. The user terminal can then determine whether currently used information about the cell cluster needs to be updated. In some instances, obtaining the indication information comprises obtaining a system information update message. In those instances, determining whether currently used information about the cell cluster needs to be updated can include updating the currently used information about the cell cluster or updating a system message of a cell in the currently used cell cluster based on the indication information in the system information update message.
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公开(公告)号：US10966205B2
公开(公告)日：2021-03-30
申请号：US16382879
申请日：2019-04-12
IPC分类号： H04W72/04 , H04W24/10 , H04W36/16 , H04W16/28 , H04W36/00 , H04W24/04 , H04B7/06 , H04B7/0408 , H04W72/12 , H04W74/08 , H04W88/02
摘要： Embodiments of the present disclosure provide a communication method, and a communications apparatus and system. User equipment can communicate with the network device by using a plurality of beams, the plurality of beams include a first beam and at least one second beam, the first beam is a serving beam used by the user equipment to listen to control information, and the second beam is a beam other than the serving beam. The method includes: determining, by the user equipment, that the serving beam is blocked; and obtaining, by the user equipment, a first message from the network device by using the first beam or the second beam. According to the method, the UE may determine that the serving beam is blocked, and further obtain the first message sent by the network device, thereby eliminating an adverse effect caused by the blocking of the serving beam. Correspondingly, the network device may also determine that the serving beam is blocked, and further send the first message, thereby eliminating an adverse effect caused by the blocking of the serving beam.
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公开(公告)号：US10917778B2
公开(公告)日：2021-02-09
申请号：US16054345
申请日：2018-08-03
发明人： Hong Wang , Zhenzhen Cao , Jian Zhang , Wei Quan , Li Chai
摘要： Embodiments of the present invention provide a communication resource allocation method and apparatus, a terminal device, a base station, and a communications system. The method includes: sending, by a first network device, a resource request message to a second network device, where the resource request message is used to request a first communication resource, the first communication resource is a resource for sending a relay message to a third network device by the first network device, the resource request message includes first relay service type indication information, and the first relay service type indication information is used to indicate a type of a relay service to be performed by the first network device by using the first communication resource; and receiving, by the first network device, a resource configuration message sent by the second network device.
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