公开(公告)号：US20150078466A1

公开(公告)日：2015-03-19

申请号：US14550307

申请日：2014-11-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Han Zhou ,  Shulan Feng

IPC: H04W8/00 ,  H04L27/26 ,  H04L5/00 ,  H04W76/02

CPC classification number: H04W8/005 ,  H04B17/16 ,  H04L5/003 ,  H04L27/2601 ,  H04W40/246 ,  H04W56/004 ,  H04W76/14 ,  Y02D70/122 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/21

Abstract: This invention is applicable to the field of communications technologies, and provides a device to device (D2D) discovery method and a first D2D user equipment (UE). The method includes: the first D2D UE acquires timing information of the first D2D UE from a Lont Term Evolution (LTE) cellular communications system; receives in a discovery subframe, a device discovery signal from a second D2D UE according to the timing information, wherein the device discovery signal comprises a pilot orthogonal frequency division multiplexing (OFDM) symbol and a device information OFDM symbol; acquires an arrival time of the device discovery signal by performing a time domain correlation of the pilot OFDM symbol of the device discovery signal and a local pilot sequence, acquires device information of the second D2D UE by parsing the device information OFDM symbol of the device discovery. This invention enables a D2D UE to effectively discover other D2D UEs, improves system efficiency, and saves power of the D2D UE.

Abstract translation: 本发明适用于通信技术领域，并且提供了一种设备到设备（D2D）发现方法和第一D2D用户设备（UE）。 该方法包括：第一D2D UE从朗讯（LTE）蜂窝通信系统获取第一D2D UE的定时信息; 在发现子帧中接收来自第二D2D UE的设备发现信号，其中所述设备发现信号包括导频正交频分复用（OFDM）符号和设备信息OFDM符号; 通过执行设备发现信号的导频OFDM符号与本地导频序列的时域相关来获取设备发现信号的到达时间，通过解析设备发现的设备信息OFDM符号来获取第二D2D UE的设备信息 。 本发明使D2D UE能够有效发现其他D2D UE，提高系统效率，节省D2D UE的功率。

公开(公告)号：US12207170B2

公开(公告)日：2025-01-21

申请号：US18504836

申请日：2023-11-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Han Zhou ,  Yuan Xia ,  Qi Yao

IPC: H04W4/70 ,  H04L61/5007 ,  H04L61/5061 ,  H04W4/46 ,  H04W36/00 ,  H04W76/11 ,  H04W76/12 ,  H04W76/14 ,  H04W76/15 ,  H04W80/04 ,  H04W80/10

Abstract: A method and an apparatus for communication between user equipment (UEs) is disclosed. The method comprises: receiving a data packet from a first UE, the data packet including data and an IP address of a second UE; obtaining a context record for the second UE, the context record including the IP address of the second UE and an identifier of a second user plane; sending the data packet to the second user plane according to the identifier of the second user plane in order to enable the second user plane to send the data packet to the second UE.

公开(公告)号：US20250024390A1

公开(公告)日：2025-01-16

申请号：US18896282

申请日：2024-09-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Guojuan Gao ,  Hancheng Li ,  Qianghua Zhu ,  Han Zhou

IPC: H04W56/00

Abstract: A communication method includes a first device that receives a first message for requesting a time synchronization service for a terminal device. The first device determines first information based on subscription information of the terminal device, and determines a third device configured to provide the time synchronization service, and sends the first information to the third device. The subscription information includes at least one of indication information, one or more types of time source, or one or more clock accuracies, the first information includes a first type and/or a first clock accuracy, the one or more types include the first type, and the one or more clock accuracies include the first clock accuracy.

公开(公告)号：US11962387B2

公开(公告)日：2024-04-16

申请号：US17591120

申请日：2022-02-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaolei Tie ,  Han Zhou ,  Lixia Xue ,  Meng Hua

IPC: H04B7/02 ,  H04B7/0426 ,  H04B7/08 ,  H04W72/044 ,  H04W72/23

CPC classification number: H04B7/0857 ,  H04B7/0426 ,  H04W72/044 ,  H04W72/23

Abstract: This application provides a wireless communication method and an apparatus. In the method, a terminal device receives first indication information from a network device. The first indication information indicates a first maximum multiple-input multiple-output (MIMO) layer quantity N to be used by the terminal device when the terminal device performs wireless communication, where N is an integer greater than or equal to 1. The method further includes that the terminal device performs wireless communication with the network device based on the first maximum MIMO layer quantity N, so that the maximum MIMO layer quantity that the terminal device should use can be adjusted as required.

公开(公告)号：US20240056496A1

公开(公告)日：2024-02-15

申请号：US18491354

申请日：2023-10-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Han Zhou

IPC: H04L67/1008 ,  H04L61/4511

CPC classification number: H04L67/1008 ,  H04L61/4511

Abstract: A method for selecting an edge application server, where the method is performed by a domain name resolution server network element, and includes: obtaining load state information of a plurality of edge application servers; when Domain Name System (DNS) request information is received from a terminal device, determining a first edge application server of the terminal device based on the load state information of the edge application servers, where the edge application servers include the first edge application server; and sending DNS response information to the terminal device, where the DNS response information includes identification information of the first edge application server. Therefore, the domain name resolution server network element determines an appropriate edge application server for the terminal device based on the load state information and network addresses of the edge application servers.

公开(公告)号：US11889343B2

公开(公告)日：2024-01-30

申请号：US17731804

申请日：2022-04-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhongping Chen ,  Han Zhou ,  Aijin Jin

IPC: H04W28/02 ,  H04W76/12 ,  H04L69/22 ,  H04L47/24 ,  H04W28/24

CPC classification number: H04W28/0252 ,  H04L47/24 ,  H04L69/22 ,  H04W28/0247 ,  H04W28/0268 ,  H04W76/12 ,  H04W28/24

Abstract: A bearer processing method and system, and a related apparatus. A GW-U is configured to receive a data packet and match the data packet with a rule, and send bearer processing indication information to a GW-C if a rule matching result of the data packet meets a trigger condition for bearer processing, where the bearer processing indication information is used to trigger the GW-C to perform bearer processing according to quality of service QoS information of a data service corresponding to the data packet. The GW-C is configured to receive the bearer processing indication information from the GW-U, determine, according to the bearer processing indication information, the QoS information of the data service corresponding to the data packet, and perform bearer processing according to the QoS information of the data service corresponding to the data packet.

公开(公告)号：US11882035B2

公开(公告)日：2024-01-23

申请号：US17126725

申请日：2020-12-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hancheng Li ,  Wenfu Wu ,  Han Zhou

IPC: H04L45/74 ,  H04W76/12 ,  H04L41/12 ,  H04L69/22

CPC classification number: H04L45/74 ,  H04L41/12 ,  H04L69/22 ,  H04W76/12

Abstract: A communication method includes: determining, based on first indication information and second indication information, a transmit end and a receive end that communicate with each other by using a data flow, to indicate that a first device is the transmit end and the second indication information is used to indicate that a second device is the receive end, or to indicate that the first device is the receive end and the second indication information is used to indicate that the second device is the transmit end; obtaining, bandwidth information of the data flow; and sending, data flow information and the bandwidth information to indicate at least one of a port identifier of the transmit end and a port identifier of the receive end, and the port identifier of the transmit end, the port identifier of the receive end, and the bandwidth information are used to create the data flow.

公开(公告)号：US11871283B2

公开(公告)日：2024-01-09

申请号：US17397056

申请日：2021-08-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dekui Sun ,  Han Zhou

IPC: H04W36/12 ,  H04W36/00

CPC classification number: H04W36/0016 ,  H04W36/12

Abstract: A service continuity implementation method, a device, and a service continuity implementation system, to ensure service continuity in a handover process, where the method includes: selecting, by a session management function entity, a target user plane function entity to serve a terminal; sending, by the session management function entity, a first message to a control device; receiving, by the session management function entity, indication information of a first application server (AS) from the control device; and sending, by the session management function entity, a first routing rule to the target user plane function entity based on the indication information of the first AS, where the first routing rule specifies that data whose destination address is an address of the first AS is to be sent to the first AS.

公开(公告)号：US11856608B2

公开(公告)日：2023-12-26

申请号：US17013817

申请日：2020-09-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Han Zhou ,  Xiaolei Tie ,  Gengshi Wu

IPC: H04W74/08 ,  H04W72/04 ,  H04W74/00

CPC classification number: H04W74/0833 ,  H04W72/04 ,  H04W74/08 ,  H04W74/004 ,  H04W74/006

Abstract: Various embodiments provide a random access method and apparatus. In those embodiments, available random access resources can be grouped, by a network device, into a plurality of random access resource groups. The network device can send information about the plurality of random access resource groups to a terminal device, and receives a random access request sent by the terminal device based on the information about the plurality of random access resources groups. The network device can determine a target random access resource group to which a random access resource used for the random access request belongs. The network device can determine an uplink transmission capability of the terminal device based on the target random access resource group.

公开(公告)号：US20230156833A1

公开(公告)日：2023-05-18

申请号：US18157580

申请日：2023-01-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Feilong Tang ,  Han Zhou ,  Hancheng Li ,  Long Chen ,  Jiacheng Liu

IPC: H04W76/12 ,  H04W76/11

CPC classification number: H04W76/12 ,  H04W76/11

Abstract: A packet forwarding method includes that a session management network element sends a path identifier to a first device, where the first device includes an access network element corresponding to a protocol data unit (PDU) session and a user plane network element corresponding to the PDU session, the PDU session corresponds to a first terminal, the path identifier indicates a first path from the access network element to the user plane network element, the first path includes a part or all of a second path, and the second path is a path corresponding to a PDU session pre-established by the session management network element for a second terminal. The session management network element further sends, to the first device, identification information of a destination address corresponding to the path identifier.