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Phonetic telecommunication method for mobile self-organizing network

A mobile ad hoc, voice communication technology, applied in the direction of secure communication devices, data exchange through path configuration, digital transmission systems, etc.

Active Publication Date: 2005-02-23
PHICOMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for realizing voice communication (VoIP) on a mobile ad hoc network, which can solve the address change problem on a mobile ad hoc network and eliminate its impact on VoIP applications

Method used

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  • Phonetic telecommunication method for mobile self-organizing network
  • Phonetic telecommunication method for mobile self-organizing network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0113] figure 1 The processing steps of each event in are as follows:

[0114] Step S1.1: The source node of the voice call generates a 32-bit random number and uses the public key of the target node of the voice communication for encryption;

[0115] Step S1.2: The source node accesses the name service module, and the name service module queries the local database;

[0116] Step S1.3: If the corresponding record is found in the local database, it returns the target node IP address and enters S1.4, if the corresponding record is not found, enters S1.10;

[0117] Step S1.4: The source node sends a unicast query message to the IP address returned by the name service module to confirm the validity of this address, and at the same time starts the timer, the unicast query message contains the encrypted random number generated by S1.1 ;

[0118] Step S1.5: If the source node receives the reply message within the specified time, go to S1.6; otherwise, go to S1.10;

[0119] Step S1.6: T...

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Abstract

The method can remove the influence to the voice communication by changing address in mobile self-organized network. It includes following steps: at the stage of building network connection, through a handshake process the real current IP address in the goal node is obtained; a random number is shared by the both sides of communication to use in authentication and encryption in communication process; after completing connection and entering into calling, each side of communication must periodically transmit the message about encrypted address to another side for informing another side real IP address that is currently used by present side, with the method any change of address in current node will be informed another side in time.

Description

Technical field [0001] The invention belongs to the technical field of communication network applications, in particular to a method for implementing voice communication on a mobile self-organizing network. Background technique [0002] Mobile Ad Hoc Network-MANET is a kind of self-created, self-organized and self-managed network with highly dynamic topological structure, free movement of nodes, point-to-point self-creation, self-organization, and self-management. It allows nodes to communicate freely Without going through infrastructure such as base stations and access points. Literature [1] Ramanathan R, Redi J, "A Brief Overview of mobile Ad hoc Networks: Challenges and Directions", IEEE Communications Magazine, 50 th Anniversary CommemorativeIssue[C], 2002. In the MANET, the address of the communication node adopts the technology of automatic configuration, and the generated address is used by the node after the repeated address detection process confirms that it is unique in...

Claims

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Application Information

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IPC IPC(8): H04L9/20H04L12/28
Inventor 孙毅方更法石晶林
Owner PHICOMM (SHANGHAI) CO LTD
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