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D2D resource acquisition method, device and system

An acquisition method and device technology, applied in the field of communication, can solve the problem of not supporting UE direct communication, etc.

Active Publication Date: 2014-02-12
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] It can be seen that the cellular system in the prior art does not support direct communication between UEs through D2D, but a necessary condition for enabling the cellular system to support the D2D communication mode between UEs is that both D2D parties must obtain D2D resource configuration information in advance

Method used

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  • D2D resource acquisition method, device and system

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Embodiment Construction

[0030] In order to implement D2D resource configuration information notification to UEs through system broadcasting, so as to implement D2D communication between UEs, embodiments of the present invention provide a D2D resource acquisition method, device, and system.

[0031] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0032] as attached figure 2 As shown, in the embodiment of the present invention, the detailed method flow of D2D resource acquisition is as follows:

[0033] Step 201: UE receives a predefined system broadcast message.

[0034] Step 202: The UE acquires and saves the D2D resource configuration information carried in the system broadcast message, the D2D resource configuration information includes channel configuration information and a public land mobile network (Public Land Mobile Network, PLMN) identification list sharing the D2D resource configuration information .

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Abstract

The invention discloses a D2D resource acquisition method, a device and a system, and aims at providing a mode of notifying D2D resource configuration information via a system broadcast mode so that D2D communication among UEs are realized. The method comprises that: the UE receives the predefined system broadcast message, and D2D resource configuration information carried in the system broadcast message is acquired and stored, wherein D2D resource configuration information comprises channel configuration information and a public land mobile network PLMN identity list sharing D2D resource configuration information.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a device-to-device (Device to Device, D2D) resource acquisition method, device and system. Background technique [0002] In the Long Term Evolution (LTE) system, the network centralized control method is adopted, that is, the uplink and downlink data of the user equipment (User Equipment, UE) are all sent and received under the control of the network, and between UE and UE There is no direct communication link, the communication between the two needs to be forwarded and controlled through the network, and the UE is not allowed to send uplink data by itself. Figure 1a shown. [0003] In the existing technology, simple device-to-device (D2D) communication refers to direct communication between terminals through Bluetooth, wireless fidelity (Wifi) and other technologies. This communication uses license-free frequency bands. Resources are the user's own behavio...

Claims

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Application Information

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IPC IPC(8): H04W68/10H04W76/02
CPCH04W36/24H04W68/10H04W8/005H04W48/12H04W48/20H04W76/14H04W4/06H04W72/23H04W84/042
Inventor 焦斌刘佳敏许芳丽
Owner DATANG MOBILE COMM EQUIP CO LTD
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