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Synchronization method, communication device and network device

A technology of network equipment and communication device, applied in the field of communication, can solve the problem of low efficiency of synchronization source of direct link, and achieve the effect of effective selection, improvement of synchronization efficiency and utilization efficiency of synchronization resources

Active Publication Date: 2020-04-07
HUAWEI TECH CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The present application provides a synchronization method, communication device and network equipment to solve the problem of low efficiency in determining the synchronization source of a direct link

Method used

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  • Synchronization method, communication device and network device
  • Synchronization method, communication device and network device
  • Synchronization method, communication device and network device

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Embodiment Construction

[0174] The technical solution in this application will be described below with reference to the accompanying drawings.

[0175] figure 1 It is a schematic diagram of the application scenario of the embodiment of this application.

[0176] figure 1 A relevant scene of the Internet of Vehicles is shown, figure 1The scenarios shown include vehicle equipment, road side unit (RSU), evolved Node B (evolved Node B, eNB) in long term evolution (long term evolution, LTE) system, new radio system (new radio , NR) gNB in ​​the system (the network element of the base station defined in the NR protocol is called gNB). Wherein, the vehicle-mounted equipment includes a plurality of user equipments (user equipment, UE), specifically including UE1, UE2 and UE3, and these devices can communicate with each other; the RSU can communicate with each vehicle-mounted equipment or eNB; the eNB can communicate with each vehicle-mounted equipment or The RSU communicates; the gNB can communicate with...

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Abstract

The invention provides a synchronization method, a communication device and a network device. The method comprises: a first device receives synchronization source configuration information sent by a network device; the first device determines a first synchronization source according to the synchronization source configuration information, the synchronization source configuration information indicating a first synchronization source type, or the synchronization source configuration information indicating a priority order of at least two synchronization source types, wherein the at least two synchronization source types comprise the first synchronization source type, the at least two synchronization source types comprise a first type of base stations and a second type of base stations, the first type of base stations are base stations in a long term evolution LTE system, the second type of base stations are base stations in a new wireless NR system, and the first synchronization source is a synchronization source of a sidelink of the first device; and the first device synchronizes to the first synchronization source. The synchronization efficiency and the use efficiency of synchronization resources can be improved.

Description

technical field [0001] The present application relates to the technical field of communication, and more specifically, to a synchronization method, a communication device and a network device. Background technique [0002] With the development of communication technology, device-to-device (device-to-device, D2D), vehicle-to-vehicle (vehicle-to-vehicle, V2V) communication, vehicle-to-pedestrian (vehicle-to-pedestrian, V2P) communication or vehicle-to-infrastructure / network (vehicle to to infrastructure / network, V2I / N) communication is a technology for direct communication between terminal devices. . V2X communication technology has been more and more widely used. For example, intelligent transportation, unmanned driving and other fields need to realize the communication between vehicles, as well as the communication between vehicles and other devices. [0003] When D2D or V2X communication is performed between terminal devices, in order to ensure the quality of communicati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/40H04W4/70H04W24/02H04W56/00
CPCH04W24/02H04W56/001H04W4/40H04W4/70H04W56/00
Inventor 黎超张兴炜杨帆
Owner HUAWEI TECH CO LTD
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