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Device discovery method, device and terminal for terminal direct connection communication

A technology for terminal direct connection communication and device discovery, which is applied to a device discovery device for terminal direct connection communication and in the field of terminals, and can solve problems such as difficulty in meeting D2D requirements.

Active Publication Date: 2019-02-01
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this case, no matter which D2D discovery resource allocation mode (that is, the allocation mode of dedicated resources or shared resource pools) is adopted, it will be difficult to meet the requirements of D2D discovery, especially considering that the density of D2D terminals in the future 5G network will be higher. big scene

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  • Device discovery method, device and terminal for terminal direct connection communication
  • Device discovery method, device and terminal for terminal direct connection communication
  • Device discovery method, device and terminal for terminal direct connection communication

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Embodiment Construction

[0060] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0061] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0062] figure 1 A schematic flowchart of a device discovery method for terminal direct communication according to the first embodiment of the present invention is shown.

[0063] Such as figure 1 ...

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Abstract

The present invention provides a device discovery method, device, and terminal for direct terminal communication, wherein the device discovery method for terminal direct communication is applicable to terminals, including: the terminal and at least A D2D terminal forms a D2D terminal group, and determines whether it can serve as a proxy terminal for the D2D terminal group; when it is determined that it can serve as the proxy terminal, the terminal sends a discovery message indicating the D2D terminal group to For other D2D terminals to simultaneously discover all terminals in the D2D terminal group according to the discovery message when receiving the discovery message. The technical solution of the present invention effectively reduces the time-frequency resources occupied in the D2D discovery process, and improves the D2D discovery efficiency.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular, relates to a device discovery method for terminal direct communication, a device discovery device for terminal direct communication, and a terminal. Background technique [0002] With the development of mobile terminal software and hardware technology and wireless communication technology, the terminal direct communication technology (Device to Device, that is, D2D, is a technology for direct terminal communication introduced by 3GPP, which allows user data transmission without going through the infrastructure of the cellular network) gradually become an important technical point. D2D technology mainly includes D2D discovery (discovery phase) and D2D communication (communication phase). D2D discovery and D2D communication are independent services. D2D communication allows two UEs to directly send data through a specific channel (sidelink channel). And transmis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/70H04W4/08H04W8/00H04W4/00
CPCH04W4/70H04W8/005H04W4/00
Inventor 雷艺学张晨璐张云飞
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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