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Token transfer and manage method for Ad Hoc network

A management method and token technology, applied in the direction of data exchange network, transmission system, digital transmission system, etc., to achieve the effect of solving the problem of transmission collision, avoiding the establishment process, and saving resources

Inactive Publication Date: 2005-08-03
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The protocol also uses tokens to control the business transmission of each node, which fundamentally solves the problem of hidden terminals and intrusion terminals

Method used

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  • Token transfer and manage method for Ad Hoc network
  • Token transfer and manage method for Ad Hoc network
  • Token transfer and manage method for Ad Hoc network

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Embodiment Construction

[0054] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings.

[0055] refer to figure 2 , the present invention divides the running time of the MANET into periodic superframes in terms of timing, and each superframe is further divided into several time frames. The number of timeframes contained in a superframe is the same as the maximum number of nodes that the network or subnet can hold. Each node in the network acts as a network leader in a specified time frame of each superframe. Since all nodes automatically become the network leader in turn, it is called a dynamic leader.

[0056] At the beginning of each time frame, a token is generated by the dynamic leader of the time frame and holds the token first. The lifetime of each token is strictly limited to one time frame. When the node holding the token completes the business transmission, it will pass the token to other nodes. Several time...

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Abstract

This invention discloses a multi-address access method suitable for Ad Hoc network including two spheres: 1, an independently used dynamic token transfer method, not necessary to set up virtual token logic loop in advance but automatically regulate the token transfer process in terms of the topological structure of the network to ensure that the token transfer path can suit the dynamic changes fairness of node access channels. 2, a token management method, which divides the network operation time into periodic super-frames with several time frames and stipulates every node in a certain assigned time frame to be the dynamic group head so as to generate tokens, the life period of each token is limited within a time frame.

Description

technical field [0001] The invention belongs to the technical field of communication, relates to a multiple access control technology of a mobile wireless ad hoc network (MANET), specifically a token transfer and management method applied in a mobile Ad Hoc network, suitable for field communication, The wireless local area communication system required for emergency search and rescue, temporary conference, etc. is also suitable for wired local area network of bus type and mesh type distributed control. Background technique [0002] MANET is a new type of mobile wireless self-organizing network, which is composed of a group of autonomous nodes with equal characteristics, and has the characteristics of network system autonomy. Compared with the traditional wireless network, its remarkable feature is that it does not need to establish a fixed communication infrastructure, and only network nodes can form a complete network. In this network, all nodes are mobile, and each mobile...

Claims

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Application Information

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IPC IPC(8): H04L12/417
Inventor 孙献璞张海林
Owner XIDIAN UNIV
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