公开(公告)号：US20220264378A1

公开(公告)日：2022-08-18

申请号：US17738487

申请日：2022-05-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zaifeng Zong ,  Fenqin Zhu

IPC: H04W36/00 ,  H04W4/06 ,  H04W36/08

Abstract: A communication method, a device, and a system are applied to a scenario in which a first terminal device moves from a source access network device to a target access network device with a multicast service delay caused by handover between access network devices. The communication method includes that the source access network device sends a first identifier to the target access network device, where the first identifier is for identifying a first multicast service. Correspondingly, the target access network device receives the first identifier, and determines a transmission mode including a unicast mode or a multicast mode for transmitting data of the first multicast service between the target access network device and the first terminal device, and sends wireless configuration information corresponding to the transmission mode to the first terminal device through the source access network device.

公开(公告)号：US20220264258A1

公开(公告)日：2022-08-18

申请号：US17738489

申请日：2022-05-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zaifeng Zong ,  Fenqin Zhu

IPC: H04W4/08 ,  H04W28/02 ,  H04W76/10 ,  H04W72/04

Abstract: A communications method includes receiving, by a base station, update information of a multicast session, and sending, by the base station and based on the update information, radio bearer information to a terminal device that joins the multicast session, where the radio bearer information is used by the terminal device to receive data of the multicast session.

公开(公告)号：US20220109962A1

公开(公告)日：2022-04-07

申请号：US17644678

申请日：2021-12-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qianghua Zhu ,  Fenqin Zhu ,  Wenfu Wu

IPC: H04W4/06 ,  H04L47/2483 ,  H04W8/26 ,  H04W28/06

Abstract: Embodiments of this application provide a multicast communication method that includes: receiving, by a user plane function network element, a multicast packet, where the multicast packet includes a multicast address; matching, by the user plane function network element, the multicast packet with a packet detection rule PDR on the user plane function network element; and if the multicast packet successfully matches a first PDR, and the first PDR indicates to carry on matching another PDR, carrying on, by the user plane function network element, matching the multicast packet with another PDR. Optionally, the another PDR is a PDR whose priority is not higher than that of the first PDR.

公开(公告)号：US11224085B2

公开(公告)日：2022-01-11

申请号：US16415148

申请日：2019-05-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Fenqin Zhu ,  Dekui Sun ,  Wenfu Wu

IPC: H04W76/19 ,  H04W8/08 ,  H04W36/00 ,  H04W36/08 ,  H04W36/32 ,  H04W36/24

Abstract: A method and an apparatus for initiating user plane path re-establishment and a communications system are disclosed. The method includes: determining, by a session management function entity based on first location information of a terminal device, a session service area to which a current session of the terminal device belongs; and after receiving second location information of the terminal device sent by a mobility management function entity, if determining that the second location information is not within the session service area, instructing the terminal device to initiate a re-establishment procedure for the current session or initiate a handover procedure. Due to introduction of the session service area, when the terminal device moves back and forth at edges of service areas of two adjacent user plane function entities, a ping-pong effect caused by frequent handover between the two user plane function entities is avoided, and user experience is improved.

公开(公告)号：US20210409933A1

公开(公告)日：2021-12-30

申请号：US17468157

申请日：2021-09-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hao Jing ,  Zaifeng Zong ,  Fenqin Zhu ,  Mirko Schramm

IPC: H04W8/08 ,  H04W80/10 ,  H04W60/00 ,  H04W28/02 ,  H04W56/00

Abstract: A communication method applicable to different scenarios of interworking between communications systems includes determining, by a session management network element, a first data channel in a first system, where the first data channel is a data channel to be synchronized with a terminal device; and synchronizing, by the session management network element in an interworking procedure for the terminal device from the first system to a second system, at least one of the first data channel or a second data channel that is in the second system and that corresponds to the first data channel.

公开(公告)号：US11190602B2

公开(公告)日：2021-11-30

申请号：US17171539

申请日：2021-02-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zaifeng Zong ,  Fenqin Zhu

IPC: G06F15/16 ,  H04L29/08 ,  H04W4/50 ,  H04W48/18

Abstract: A communication method and a communications device, where the communication method includes: receiving a first message sent by a first service instance, where the first message includes a target identifier; and sending, based on the first message, a second message to a second service instance that has a binding relationship with the target identifier.

公开(公告)号：US11128596B2

公开(公告)日：2021-09-21

申请号：US16789697

申请日：2020-02-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sridhar Bhaskaran ,  Marco Spini ,  Fenqin Zhu

IPC: H04L12/00 ,  H04L29/12 ,  H04W76/12

Abstract: Methods and apparatuses for acquisition of an address resolution protocol (ARP)/IPv6 Neighbour cache at a user plane function (UPF) entity without performing deep packet inspection for every packet that traverses a network. The ARP broadcast/ICMPv6 Neighbour Solicitation multicast from any Ethernet client (a user equipment (UE) or clients behind the UE or clients in a data network (DN)) is responded to by the UPF entity itself, by looking up the ARP/IPv6 Neighbour cache built in the UPF entity, irrespective of whether the UPF entity acts as the core Ethernet switch or whether the core Ethernet switch is in the DN. The solution is simplified to always intercept ARP at the UPF entity and respond to it based on a local ARP/IPv6 Neighbour cache.

公开(公告)号：US11012928B2

公开(公告)日：2021-05-18

申请号：US15975800

申请日：2018-05-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yuan Wang ,  Fenqin Zhu ,  Jingwang Ma

IPC: H04W48/18

Abstract: Embodiments of the present disclosure provide a method, a RAN node, and UE for selecting a service network, and a management device. The method includes: determining a service requirement list of the UE, where the service requirement list includes at least one service required by the UE; determining a service capability list set including a service capability list of at least one service network, where the service capability list includes an identifier of a service network corresponding to the service capability list and includes at least one service supported by the service network; and determining, according to the service requirement list and the service capability list set, a first identifier of a first service network that provides a service for the UE, where a service capability list of the first service network includes all or part of the at least one service in the service requirement list present disclosure.

公开(公告)号：US20210037456A1

公开(公告)日：2021-02-04

申请号：US17074636

申请日：2020-10-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yuan Wang ,  Fenqin Zhu ,  Jingwang Ma

IPC: H04W48/18

Abstract: Embodiments of the present disclosure provide a method, a RAN node, and UE for selecting a service network, and a management device. The method includes: determining a service requirement list of the UE, where the service requirement list includes at least one service required by the UE; determining a service capability list set including a service capability list of at least one service network, where the service capability list includes an identifier of a service network corresponding to the service capability list and includes at least one service supported by the service network; and determining, according to the service requirement list and the service capability list set, a first identifier of a first service network that provides a service for the UE, where a service capability list of the first service network includes all or part of the at least one service in the service requirement listpresent disclosure.

公开(公告)号：US20210014759A1

公开(公告)日：2021-01-14

申请号：US17037163

申请日：2020-09-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qianghua Zhu ,  Yali Yan ,  Fenqin Zhu ,  Wenfu Wu

IPC: H04W36/14 ,  H04W4/50 ,  G06F9/54

Abstract: A communication method, a communications apparatus, and a communications system, where the method includes: a first network element receiving identity information of a terminal from a second network element, where the identity information includes an identity of the terminal or an identity of a group of the terminal; the first network element obtaining, based on the identity information, type information of a serving network corresponding to the identity information; and the first network element sending API information of the first network element based on the type information. Based on this method, the second network element can select an available API based on the API information or the type information of the serving network and invoke the available API.