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Method and apparatus for supporting mobility of remote UE (User Equipment)

A remote user, mobility technology for machine-to-machine/machine-type communication services, electrical components, wireless communications, etc.

Active Publication Date: 2018-04-06
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Or, the remote UE that accesses the network through the relay UE may need to be replaced to directly access the network through the base station for communication
However, the existing technology has not yet provided a method of how to support remoteUE mobility in the layer 2 routing mode

Method used

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  • Method and apparatus for supporting mobility of remote UE (User Equipment)
  • Method and apparatus for supporting mobility of remote UE (User Equipment)
  • Method and apparatus for supporting mobility of remote UE (User Equipment)

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0235] This embodiment describes a mobility support method in a scenario where a remote UE is handed over from a base station to a relay UE. In the scenario of this embodiment, the remote UE directly transmits data with the base station, and then communicates with the network through relay UE relaying, and the serving cell / base station of the relay UE is the same as the original serving cell / base station of the remote UE. Such as Figure 5 As shown, the method of this embodiment includes the following steps:

[0236] Step 501: The remote UE performing data transmission with the base station discovers the accessible relay UE through the relay discovery process. Optionally, if the remote UE finds multiple accessible relay UEs, the PC5 link with the best link quality is selected relay UE. Optionally, the remote UE tends to select a relay UE that has the same serving cell / base station as the remote UE.

[0237] Step 502: Optionally, the remote UE judges that the serving cell / base sta...

Embodiment 2

[0260] This embodiment describes a mobility support method in a scenario where a remote UE is handed over from a base station to a relay UE. In the scenario of this embodiment, the remote UE directly transmits data with the base station, and then communicates with the network through relay UE relaying, and the serving cell / base station of the relay UE is different from the original serving cell / base station of the remote UE. Such as Image 6 As shown, the method of this embodiment includes the following steps:

[0261] Step 601: The remote UE that performs data transmission with the base station discovers the accessible relay UE through the relay discovery process. Optionally, if the remote UE finds multiple accessible relay UEs, the PC5 link with the best link quality is selected relay UE.

[0262] Step 602: Optionally, the remote UE judges that the serving cell / base station of the connected relay UE is different from its own serving cell / base station. Specifically, the remote U...

Embodiment 3

[0295] This embodiment describes a mobility support method in a scenario where a remote UE switches from a relay UE to a base station. In the scenario of this embodiment, the remote UE communicates with the network through relay UE's relay forwarding, and then directly transmits data with the base station. The serving cell / base station of the relay UE is the same as the target serving cell / base station accessed by the remote UE. . Such as Figure 7 As shown, the method of this embodiment includes the following steps:

[0296] Step 701: Optionally, the relay UE sends a PC5 connection release message to the remote UE to release the PC5 connection between the relay UE and the remote UE. For example, if the relay UE detects that its own power is insufficient, it sends the message . Or, the remote UE detects that the quality of the PC5 link with the relay UE is poor, or the remote UE detects that the quality of the PC5 link with the relay UE is lower than a certain threshold. Optio...

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Abstract

The invention discloses a method and an apparatus for supporting mobility of a remote UE (User Equipment). The method comprises the following steps: the remote UE sends mobility related information toa base station such that the base station executes a mobility related operation for the remote UE; and the remote UE receives communication configuration information from the base station.

Description

Technical field [0001] The present invention relates to the field of wireless communication technology, and in particular to a method and device for supporting the mobility of remote user equipment (UE, User Equipment). Background technique [0002] With the development of wireless multimedia services, people's demands for high data rates and user experience are increasing, which puts forward higher requirements on the system capacity and coverage of traditional cellular networks. On the other hand, the popularity of social networks, short-distance data sharing, local advertising and other applications has made people's needs for understanding and communicating with people or things of interest nearby (Proximity Services) gradually increase. The traditional cell-based cellular network has obvious limitations in the support of high data rates and proximity services. Under the background of this demand, D2D (Device-to-Device) represents the new direction of future communication tec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/70H04W36/08
CPCH04W36/08H04W36/033H04W4/70H04W88/04
Inventor 黄莹陈琳陈玉芹
Owner ZTE CORP
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