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Method for direct communication among wireless terminals, and wireless terminal

A wireless terminal, direct technology, applied in wireless communication, connection management, electrical components, etc., can solve problems such as inability to bill

Inactive Publication Date: 2014-04-09
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Embodiments of the present invention provide a method for direct communication between wireless terminals and a wireless terminal, so as to solve problems such as inability to charge due to the use of direct communication between existing wireless terminals

Method used

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  • Method for direct communication among wireless terminals, and wireless terminal
  • Method for direct communication among wireless terminals, and wireless terminal
  • Method for direct communication among wireless terminals, and wireless terminal

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0041] like image 3 As shown, the present invention figure 1 The flow chart of the embodiment of the method for direct communication between wireless terminals in the first embodiment shown, the method includes:

[0042] Step S201, the operator sends the key for direct communication to each wireless terminal in the cell through the existing wireless network;

[0043] The operator only sends the key through the base station to the wireless terminals that are allowed to use the direct communication service. Specifically, the operator divides the wireless terminals into four categories: A, B, C, and D:

[0044] For a class A wireless terminal, the operator assigns a separate key to the wireless terminal, and sends the key to the wireless terminal and other wireless terminals in the cell;

[0045] For class B wireless terminals, the operator assigns a separate key to the wireless terminal and sends the key to the wireless terminal, but does not send the keys of other wireless t...

Embodiment 2

[0061] Such as Figure 4 As shown, the present invention figure 2 The flow chart of the embodiment of the method for direct communication between wireless terminals in the second embodiment shown, this embodiment corresponds to figure 2 In the scenario shown, the difference between the wireless terminal for direct communication in this scenario and the wireless terminal for direct communication in Embodiment 1 is that data transmission between terminals needs to be relayed by a local base station. The key can be placed in the local base station, and the local base station performs encryption operations according to different types of wireless terminals. The specific steps are as follows:

[0062] Step S301, the wireless base station sends the corresponding key for receiving data to each wireless terminal according to the type of the wireless terminal. Similar to Embodiment 1, the types of wireless terminals include the following four types:

[0063] 1) For a type A termin...

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PUM

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Abstract

The invention provides a method for direct communication among wireless terminals, and a wireless terminal. The method comprises the following steps: a sending end directly sends or sends an encrypted direct communication service request to a receiving end through a base station; and the receiving end receiving a secret key sent by the base station and using the secret key to encrypt the received direct communication service request. According to the invention, the secret key is sent to a wireless terminal through the base station, so that it is possible for service providers to control the direct communication services among the terminals, and technical development is promoted; secondly, the scheme provided by the invention is quite simple and feasible, during realization, user terminals according with a conventional wireless protocol can be repeatedly used and a conventional wireless network can be utilized to the greatest extent, and the service providers do not have to increase network reconstruction cost.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method for direct communication between wireless terminals and a wireless terminal. Background technique [0002] Direct communication between wireless terminals is a very interesting communication method, which is different from traditional wireless communication. When using direct communication technology, the wireless signal of the sending end (wireless terminal) directly reaches the receiving end (another wireless terminal), while Routing through the core network is not required. At present, there are at least two application prospects for direct communication between wireless terminals: [0003] 1) It is used in the field of public safety. For example, when natural disasters such as earthquakes and tsunamis occur, the coverage from the wireless base station is gone. At this time, if the wireless terminal can communicate directly with the wireless te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/02H04W12/04H04W12/033H04W12/0431
CPCH04W76/02H04W12/04H04W76/14H04W12/037
Inventor 朱昀
Owner ZTE CORP