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Time-delay constrained multipath routing method for Ad hoc network

A routing and delay technology, applied in the field of communication, can solve problems such as over-use

Inactive Publication Date: 2006-12-13
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0011] 3. It is conducive to load balancing. The disadvantage of a single path is that it is easy to cause a path to be used too densely.

Method used

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  • Time-delay constrained multipath routing method for Ad hoc network
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  • Time-delay constrained multipath routing method for Ad hoc network

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] The present invention firstly provides a kind of time-delay limited multi-path routing network model applicable to Ad hoc network:

[0026] The Ad hoc network is expressed as a weighted graph G(V, E), where V is the mobile node set of the Ad hoc network, and E is the bidirectional link set that can communicate with each other between nodes. E is dynamically changing in the Ad hoc network.

[0027] For link(i, j)∈E, the state information of link link(i, j) includes: available bandwidth (i.e. remaining bandwidth) bij and path delay accumulation t 1 ......t n ; The maximum delay constraint is D; for any given path P(s, t), and assuming that there is a path P=s→i→j→...→k→t, then define:

[0028] 1) The maximum bandwidth of the path: bandwidth(P)=min{b si ,...,b kt}

[0029] 2) Delay constraints: D p(s，t) ≤D.

[0030] 3) Link stability parameters:

[0031] ...

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Abstract

The invention discloses a time-delaying constraint multi-path route method of Ad hoc network, which is characterized by the following: establishing time-delaying constraint multi-path route network model for Ad hoc network; providing time-delaying constraint multi-path route method of Ad hoc (ADMRSC); supplying distributing method for business quantity; detecting the usability and effectiveness for OMNET++ emulation result through discrete affair emulation tool.

Description

technical field [0001] The invention belongs to the technical field of communication, and specifically relates to a delay-constrained multi-path routing method of an Ad hoc network. Background technique [0002] With the continuous development of information technology, people's demand for mobile communication is getting stronger and stronger. In recent years, mobile communication technology has been rapidly developed and popularized. New mobile communication technologies such as cellular mobile communication systems, wireless local area networks, Bluetooth technology, and home wireless networks have also emerged one after another. Information technology promotes changes in the military field, and new combat theories and new combat methods such as information warfare have emerged. Future wars will be information wars, and future battlefields will be digital battlefields. The future digital battlefield will include four parts: weapons and weapon platforms, command and contr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L45/28
Inventor 李腊元李春林洪海
Owner WUHAN UNIV OF TECH
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