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Method and device for configuring device-to-device d2d resources

A technology for configuring methods and resources, applied in the field of communications, and can solve problems such as non-existence

Active Publication Date: 2021-11-02
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the problem of D2D resource allocation of UE under the dual connection architecture in the related art, there is no effective solution at present

Method used

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  • Method and device for configuring device-to-device d2d resources
  • Method and device for configuring device-to-device d2d resources
  • Method and device for configuring device-to-device d2d resources

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0095] This optional embodiment describes a method for a UE to obtain the D2D resource pool information of a cell under the SeNB from the MeNB. Figure 7 It is a flow chart of the method according to this optional embodiment 1, such as Figure 7 As shown, the steps of the method in this optional embodiment include:

[0096] Step S701, MeNB obtains D2D related information of SeNB through X2 interaction;

[0097] Among them, the MeNB can interactively obtain the D2D related information in the system message of the cell under the nearby or within the coverage of the small base station (including the SeNB of the UE) through the X2 interface;

[0098] Wherein, the D2D related information may include at least one of the following:

[0099] Whether to support D2D discovery and / or D2D communication and / or D2D relay;

[0100] D2D discovery and / or D2D communication and / or carrier frequency information to which D2D relay resources belong;

[0101] Information about the PLMN to which ...

Embodiment 2

[0109] This optional embodiment describes a method for the UE to obtain the D2D resource pool information of a cell under the SeNB by receiving the SeNB system message. Figure 8 It is the flow chart of the method according to the second optional embodiment, such as Figure 8 As shown, the method steps of this optional embodiment include:

[0110] Step S801, MeNB obtains D2D related information of SeNB through X2 interaction;

[0111] Among them, the MeNB can interactively obtain the D2D related information in the system message of the cell under the nearby or within the coverage of the small base station (including the SeNB of the UE) through the X2 interface;

[0112] Wherein, the D2D related information may include at least one of the following:

[0113] Whether to support D2D discovery and / or D2D communication and / or D2D relay;

[0114] D2D discovery and / or D2D communication and / or carrier frequency information to which D2D relay resources belong;

[0115] Information ...

Embodiment 3

[0126] This optional embodiment describes one of the methods for the UE to request D2D resources from the MeNB when the UE cannot obtain the D2D resource pool information of the cell under the SeNB from the system information of the MeNB and the SeNB. Figure 9 It is the flow chart of the method according to the third optional embodiment, such as Figure 9 As shown, the steps of the method in this optional embodiment include:

[0127] Step S901, MeNB obtains D2D related information of SeNB through X2 interaction;

[0128] Among them, the MeNB can interactively obtain the D2D related information in the system message of the cell under the nearby or within the coverage of the small base station (including the SeNB of the UE) through the X2 interface;

[0129] Wherein, the D2D related information may include at least one of the following:

[0130] Whether to support D2D discovery and / or D2D communication and / or D2D relay;

[0131] D2D discovery and / or D2D communication and / or ...

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Abstract

The present invention provides a device-to-device D2D resource configuration method and device, wherein the method includes: the primary base station obtains D2D related information of the secondary base station; the primary base station sends D2D auxiliary information to the user equipment UE according to the D2D related information, wherein, The D2D assistance information is used to instruct the UE to use the D2D resource of the secondary base station to perform a D2D operation, wherein the D2D operation includes at least one of the following: D2D discovery, D2D communication, and D2D relay. Through the present invention, the problem of D2D resource configuration of UE under the dual connection architecture in the related art is solved, so that D2D operations, such as D2D discovery and / or D2D communication and / or D2D relay operations can be carried out smoothly.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a device-to-device D2D resource configuration method and device. Background technique [0002] With the development of wireless multimedia services, people's demand for high data rate and user experience is increasing, which puts forward higher requirements on the system capacity and coverage of traditional cellular networks. In a traditional LTE cellular network, the macro base station serves as the only network element on the access side to provide access services for UEs. In order to meet user requirements for higher data rates and improve spectral efficiency of cellular networks, 3GPP introduces a Low Power Node (LPN for short) as a supplement to a macro base station to provide access services for UEs. LPN has the characteristics of low cost, low power, and easy deployment. It usually has two deployment scenarios: hotspot deployment and enhanced coverage. It can effectivel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/70H04W72/04
CPCH04W4/70H04W72/27H04W72/23H04W72/04
Inventor 黄莹高音陈琳汪梦珍
Owner ZTE CORP
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