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1. 发明公开

EP4366346A1 METHOD AND APPARATUS FOR DISCOVERING EDGE APPLICATION SERVER 审中-实审
公开(公告)号：EP4366346A1
公开(公告)日：2024-05-08
申请号：EP22851866.8
申请日：2022-07-18
申请人： Huawei Technologies Co., Ltd.
发明人： ZHAO, Pengtao , LI, Yan
IPC分类号： H04W4/50
摘要： This application provides a method and an apparatus for discovering an edge application server. The method includes: A session management function network element that serves a session of a terminal apparatus obtains information about at least one edge application server EAS, or obtains indication information of an EAS that cannot serve the terminal apparatus; and the session management function network element determines first information based on the obtained information, where the first information is used to determine information about an ECS option, or the first information is used to determine an address of a local domain name system DNS server, and the information about the ECS option or the address of the local DNS server is used to determine an EAS that serves the terminal apparatus. The first information is determined when the information about the EAS or the EAS that cannot serve the terminal apparatus is considered, to avoid deterioration of quality of service of the EAS.

2. 发明公开

EP4426000A1 COMMUNICATION METHOD, APPARATUS AND SYSTEM 审中-实审
公开(公告)号：EP4426000A1
公开(公告)日：2024-09-04
申请号：EP22903269.3
申请日：2022-11-30
申请人： Huawei Technologies Co., Ltd.
发明人： ZHAO, Pengtao , LI, Yan
IPC分类号： H04W28/02
CPC分类号： H04W28/02 , H04W28/06
摘要： Embodiments of this application provide a communication method, apparatus, and system. In the communication method, through capability exposure of a radio access network device, the radio access network device may obtain a congestion parameter of a radio access network based on indication information, to determine whether congestion occurs in the radio access network. In addition, the radio access network device may send the congestion parameter to a proxy entity, and the proxy entity may identify the congestion parameter of the radio access network, so that congestion control on a wireless network can be optimized.

3. 发明公开

EP4297518A1 WIRELESS COMMUNICATION METHOD, COMMUNICATION APPARATUS AND COMMUNICATION SYSTEM 审中-实审
公开(公告)号：EP4297518A1
公开(公告)日：2023-12-27
申请号：EP22766095.8
申请日：2022-01-25
申请人： Huawei Technologies Co., Ltd.
发明人： ZHAO, Pengtao , LI, Yan
IPC分类号： H04W76/12
摘要： This application provides a wireless communication method, a communication apparatus, and a communication system. The method includes: obtaining subnet information of a first subnet corresponding to a first session; receiving a data packet, where the data packet is a multicast packet or a broadcast packet; determining, based on the subnet information, that the data packet corresponds to the first session in the first subnet; and sending the data packet via the first session. According to the method, a user plane network element may obtain a correspondence between the first session and the subnet information of the first subnet, so as to send a received multicast packet or broadcast packet via a session in a subnet at a granularity of a subnet, thereby precisely sending the data packet.

4. 发明公开

EP4297352A1 DATA TRANSMISSION METHOD AND APPARATUS 审中-实审
公开(公告)号：EP4297352A1
公开(公告)日：2023-12-27
申请号：EP21927127.7
申请日：2021-02-23
申请人： Huawei Technologies Co., Ltd.
发明人： ZHAO, Pengtao , LI, Yan
IPC分类号： H04L12/66
摘要： This application relates to the field of communication technologies, and discloses a data transmission method and an apparatus. The method includes: An SMF network element obtains first transmission delay information of data packet transmission between an access network element and a terminal device, and sends third information to a first edge application server corresponding to a first UPF network element or a first edge enabler server corresponding to the first edge application server, where the third information includes the first transmission delay information, the third information is used to determine congestion control parameter information, and the congestion control parameter information indicates a data amount of a first service sent by a data sending network element to a second UPF network element for the first time after a UPF network element that serves the first service in the data sending network element is switched from the first UPF network element to the second UPF network element. According to the foregoing method, a slow start phase can be accelerated or even skipped, congestion control for re-establishing a transport layer connection can be optimized, data transmission efficiency can be improved, and a data transmission delay can be reduced.

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