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公开(公告)号：EP4443999A1
公开(公告)日：2024-10-09
申请号：EP23739906.8
申请日：2023-01-06
发明人： XIANG, Hongyu , LI, Bingzhao , CHEN, Lei , LI, Chenwan
IPC分类号： H04W68/02
摘要： Embodiments of this disclosure provide a paging method and an associated communication apparatus, medium, and chip. According to embodiments of this disclosure, an access network device sends information including an address of the access network device and an identifier of a terminal device to a core network device. The core network device determines an area for paging based on the address of the access network device, and sends a paging message including the identifier of the terminal device to the access network device. The access network device sends a radio access network paging message to the terminal device. In this manner, the area in which paging needs to be performed by the core network device can be reduced, thereby avoiding a waste of unnecessary paging resources.
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公开(公告)号：EP4422220A1
公开(公告)日：2024-08-28
申请号：EP22882921.4
申请日：2022-10-19
发明人： LIU, Nannan , LI, Bingzhao
IPC分类号： H04W4/06
摘要： Embodiments of this application provide a communication method and apparatus, and a storage medium. The method is used to page, by using a paging message, a terminal device that joins a multicast service, so that the terminal device attempts to enter an RRC connected state to receive data of the multicast service. In this application, the terminal device receives a first paging message, and initiates radio resource control RRC connection resume when a first condition is met. The first condition includes: The first paging message includes an identifier of a first multicast service and does not include an identifier of the terminal device; or the first paging message includes the identifier of the first multicast service and a first identifier of the terminal device, where the first identifier is associated with RAN paging. Because the first paging message may carry the identifier of the first multicast service, a terminal device corresponding to the first multicast service may be paged by using the first paging message, so that the terminal device attempts to enter the RRC connected state based on the first paging message to receive data of the first multicast service.
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3.发明公开
公开(公告)号：EP4412315A1
公开(公告)日：2024-08-07
申请号：EP22889266.7
申请日：2022-11-01
发明人： LI, Chenwan , CHEN, Lei , LI, Bingzhao , HUO, Dayong
IPC分类号： H04W52/02
摘要： Embodiments of this application disclose a method for waking up a terminal device in a communication network, an apparatus, and a readable storage medium. The method includes: After a terminal device enters an idle state or an inactive state, if the terminal device detects that a doze condition is met, the terminal device enters a doze state from the idle state or the inactive state. In first time since the terminal device enters the doze state, if the terminal device does not receive wake-up information or detects that signal quality of the wake-up information is less than or equal to a first threshold, the terminal device enters a wake-up state from the doze state. According to embodiments of this application, a probability that the terminal device misses important information (for example, a paging message, a system message, and a synchronization signal) can be reduced while reducing power consumption of the terminal device, to balance power consumption and communication quality.
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公开(公告)号：EP4408046A1
公开(公告)日：2024-07-31
申请号：EP22882642.6
申请日：2022-10-08
发明人： XIANG, Hongyu , LI, Bingzhao , CHEN, Lei , HAN, Feng , LI, Chenwan
摘要： This application discloses a communication method and a communication apparatus. The method includes: A first access network device receives paging capability information from a core network device or a second access network device, determines a paging area based on the paging capability information, and sends a paging message to a terminal device in the determined paging area. The paging capability information indicates one or more of the following capabilities: a maximum transmit power supported by the terminal device on a first frequency band; a bandwidth configuration supported by the terminal device; whether the terminal device supports a frequency offset of 7.5 kHz; a type of the terminal device; or a number of Rx chains supported by the terminal device. In other words, the paging capability information indicates a plurality of paging capabilities of the terminal device. In this way, the first access network device determines the paging area based on the plurality of paging capabilities of the terminal device, and may exclude a cell on which the terminal device does not camp, so as to avoid paging the terminal device in the cell on which the terminal device does not camp as much as possible, thereby saving paging resources.
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公开(公告)号：EP4358579A1
公开(公告)日：2024-04-24
申请号：EP22851720.7
申请日：2022-06-14
发明人： XU, Bin , LI, Bingzhao , CAO, Zhenzhen
摘要： This application provides a communication method and a communication apparatus. The method includes: A target access network device determines that a first terminal device is handed over from a source access network device to the target access network device; and sends first information to the first terminal device, where the first information indicates a first packet header compression context, and the first packet header compression context is for compressing or decompressing a packet header of a data packet. In this application, the target access network device sends, to the first terminal device, the first information indicating the first packet header compression context, so that in a handover scenario, the first terminal device can correctly decompress a subsequently received data packet with a compressed packet header. This helps improve communication reliability.
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公开(公告)号：EP4329364A1
公开(公告)日：2024-02-28
申请号：EP22794471.7
申请日：2022-03-29
发明人： ZHANG, Haisen , XIN, Tingyu , WANG, Yan , LI, Bingzhao , XU, Bin
IPC分类号： H04W28/02
摘要： A data transmission method and an apparatus are provided, relate to the field of communications technologies, and can reduce signaling overheads for reporting a status report and save resources during MBS data transmission. The method includes: A distributed unit DU receives a first packet data convergence protocol PDCP packet data unit PDU from a central unit CU, where the first PDCP PDU carries data of a multicast broadcast service MBS. The DU sends the first PDCP PDU to at least two terminal devices. The DU sends a status report to the CU, where the status report indicates results of sending the first PDCP PDU to the at least two terminal devices.
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公开(公告)号：EP4277380A2
公开(公告)日：2023-11-15
申请号：EP23178551.0
申请日：2017-02-03
发明人： LI, Bingzhao , QUAN, Wei , ZHANG, Jian
IPC分类号： H04W68/00
摘要： Embodiments of the present invention provide a connection release method and an apparatus. The connection release method in the present invention includes: generating, by a first access network device, a first message, where the first message includes connection release information for a terminal device and verification information, the verification information is used to verify whether the connection release information is valid, and the connection release information is used to instruct the terminal device to release a connection; and sending, by the first access network device, the first message to a second access network device. According to the embodiments of the present invention, a connection of the terminal device can be released securely and quickly.
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公开(公告)号：EP4224943A1
公开(公告)日：2023-08-09
申请号：EP23151480.3
申请日：2017-05-05
发明人： LI, Bingzhao , QUAN, Wei , ZHANG, Jian , CHAI, Li
摘要： Embodiments of this application provide a communication method and apparatus, and relate to the communications field. The method includes: receiving, by a first access network device, first data transmission information sent by a terminal device, where the first data transmission information carries a first identifier and uplink data, and the first identifier includes an identifier used to identify an anchor access network device and an identifier used to identify the terminal device in the anchor access network device; performing, by the first access network device, first processing on the received uplink data based on channel configuration information of the terminal device, where the first processing includes at least one of the following: physical layer processing, medium access control layer processing, and radio link control layer processing; in addition, the first processing includes no decryption and/or integrity check; and sending, by the first access network device, second data transmission information to the anchor access network device, where the second data transmission information carries the first identifier and uplink data obtained after the first processing. In this application, signaling and delay overheads caused in a moving process of the terminal device can be reduced.
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公开(公告)号：EP4224796A1
公开(公告)日：2023-08-09
申请号：EP20958262.6
申请日：2020-10-22
发明人： XU, Bin , LI, Bingzhao , CAO, Zhenzhen , WANG, Yan
IPC分类号： H04L12/00
摘要： This application provides a communication method and apparatus, so that an access network device determines, based on a first SN in a first data packet from a core network device, a PDCP SN of a PDCP PDU in a second data packet. When different access network devices determine, based on the first SN in the first data packet, PDCP SNs respectively corresponding to the different access network devices, the PDCP SNs determined by the different access network devices for data packets that are from the core network device and that have the same first SNs are consistent. In this way, when UE is handed over between the different access network devices, transmission progresses of MBS services of two access network devices may be determined based on transmission statuses of the PDCP SNs of the different access network devices, and further, a loss of data packets of the MBS services is avoided through a data forwarding mechanism. This ensures continuity of MBS service transmission.
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公开(公告)号：EP4195773A1
公开(公告)日：2023-06-14
申请号：EP20949865.8
申请日：2020-08-20
发明人： YANG, Zhaoqing , ZHU, Haoxiang , LI, Bingzhao
IPC分类号： H04W36/08
摘要： This application discloses a communication method and apparatus, applied to the mobile communication field. The method includes: A first access network device sends first indication information to a second access network device. The first indication information indicates information about a current active BWP and/or transmission rate information of a terminal device on the first access network device. The second access network device determines information about a first-time active BWP and/or BWP configuration information of the terminal device on the second access network device based on the first indication information. The method may be used to enable the second access network device to determine the appropriate information about the first-time active BWP and/or the appropriate BWP configuration information of the terminal device on the second access network device. In this way, service interruption caused by switching of an active BWP is reduced, and/or service interruption caused by changing of a BWP configuration is reduced.
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