Solution of D2D (Device to Device) discovery resource conflicts

A technology for discovering resources and solving methods, which is applied in the field of device-to-device discovery of resource conflicts to achieve the effect of resolving resource usage conflicts

Inactive Publication Date: 2016-06-15
POTEVIO INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Since all UEs use the same resource pool, conflicts are inevitable. Therefore, the UE may have to repeatedly send discovery messages to the target UE to complete the discovery, resulting in a certain delay in D2D transmission.

Method used

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  • Solution of D2D (Device to Device) discovery resource conflicts
  • Solution of D2D (Device to Device) discovery resource conflicts
  • Solution of D2D (Device to Device) discovery resource conflicts

Examples

Experimental program
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Embodiment Construction

[0025] The basic flow of the D2D discovery resource conflict solution provided by this application is as follows: figure 1 shown, including the following steps:

[0026] Step 101: the network side sends an indication message to the user equipment;

[0027] Step 102: After receiving the indication message, the user equipment reports to the network side the total number of times of sending D2D discovery messages and the total time used for D2D discovery;

[0028] Step 103: The network side estimates whether the size of the resource pool allocated by the network side to the current cell is appropriate according to the total number of D2D discovery messages reported by the user equipment and the total time used for D2D discovery. If so, do not perform any operation; otherwise, the network side Adjust the resource pool size in the SIB.

[0029] In order to make the technical principles, features and technical effects of the technical solution of the present application clearer, t...

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PUM

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Abstract

The invention discloses a device-to-device D2D discovery resource conflict solution method, comprising: A, the network side sends an indication message to the user equipment; B, the user equipment reports and sends the D2D discovery message to the network side after receiving the indication message The total number of times and the total time used for D2D discovery; C. The network side estimates whether the size of the resource pool currently allocated by the network side to the current cell is appropriate based on the total number of D2D discovery messages reported by the user equipment and the total time used for D2D discovery , if yes, do not perform any operation, otherwise, the network side adjusts the size of the resource pool in the SIB. The technical solution of the present invention can resolve resource conflicts in D2D transmission.

Description

technical field [0001] The present application relates to the technical field of mobile communication, and in particular to a device-to-device (D2D, Device to Device) discovery resource conflict resolution method. Background technique [0002] In the existing LTE system, the data transmission between two user equipments (UEs) is realized through the relay on the network side. The UE at the sending end first sends the communication data to the network side, and then the network side sends the communication data to the network side. The data is forwarded to the receiving end UE. Even if two UEs that are close to each other want to communicate, the communication data must be transmitted by the network side before being sent to the other party. The introduction of device-to-device (D2D, Device to Device) technology is aimed at the application scenario where the distance between the UE at the sending end and the UE at the receiving end is relatively close. At this time, communic...

Claims

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Application Information

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IPC IPC(8): H04W24/04
Inventor 陈喆
Owner POTEVIO INFORMATION TECH
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