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Cell reselection method, device and system for border communication

A cell reselection and communication configuration technology, applied in wireless communication, vehicle wireless communication services, services based on specific environments, etc., can solve problems such as UE service continuity impact and service absence

Pending Publication Date: 2019-12-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is currently no corresponding mobility management mechanism for how to ensure service continuity for UEs in the inactive state during cell reselection or handover, which may affect the service continuity of UEs.

Method used

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  • Cell reselection method, device and system for border communication
  • Cell reselection method, device and system for border communication
  • Cell reselection method, device and system for border communication

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Embodiment Construction

[0037] Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0038] D2D communication is a communication method for direct communication between UEs, including various forms such as V2X communication. The following embodiments of this application take V2X communication as an example, and repeat the cell used for roadside communication provided by the embodiments of this application. The selection method is described.

[0039] The current V2X technology in 5G NR includes: V2X may be implemented through the PC5 interface or Uu interface, where the PC5 interface refers to the air interface of D2D, and the Uu interface refers to the air interface from UE to base station (gNB). Such as figure 1 as shown, figure 1 It is a schematic diagram of the system architecture for sending V2X services through the PC5 interface. Among them, the 5G core network (5G Core, 5GC) includes multiple network elements, and each UE ac...

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PUM

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Abstract

The present application proposes a cell reselection method, device and system for border communication, the cell reselection method for border communication comprising: a non-activated UE participating in border communication receives cell reselection information, the cell reselection information comprising: cell reselection information for implementing border communication service continuity; andthe UE performs cell reselection according to the cell reselection information and the capability information of the UE.

Description

technical field [0001] The present application relates to a wireless communication network, for example, to a cell reselection method, device and system for edge communication. Background technique [0002] In the fifth generation mobile communication (5th Generation, 5G) New Radio (New Radio, NR), a device-to-device (Device to Device, D2D) communication method is provided, that is, user equipment (User Equipment, UE) can directly A communication connection is established to communicate without going through a base station or other access node. For example, D2D communication includes various forms such as vehicle to other equipment (Vehicle to X, V2X). [0003] In 5G NR, three radio resource control (Radio Resource Control, RRC) states of UE are defined, including idle state (idle), inactive state (inactive) and connected state (connected), in which idle state and inactive state are similar , the difference is that in the inactive state, the UE context is reserved in the U...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/32H04W4/40H04W76/19H04W76/27
CPCH04W4/40H04W76/19H04W76/27H04W76/23H04W48/20
Inventor 许辉孟金莉卢忱赵祥模惠飞
Owner ZTE CORP