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Allocating channels in a mobile ad hoc network

A technology of mobile ad hoc network and dynamic channel allocation, which is applied in the field of communication network and can solve the problems of complex topology changes and other issues

Inactive Publication Date: 2005-08-03
HARRIS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is further complicated by frequent topology changes

Method used

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  • Allocating channels in a mobile ad hoc network
  • Allocating channels in a mobile ad hoc network
  • Allocating channels in a mobile ad hoc network

Examples

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Embodiment Construction

[0029] The present invention will now be described more fully with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like numerals refer to like elements throughout, and a "'" sign is used to refer to similar elements in alternative embodiments.

[0030] As will be appreciated by those skilled in the art, portions of the present invention will be implemented as a method, data processing system or computer program product. Accordingly, these parts of the invention will take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, p...

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Abstract

A mobile ad hoc network includes a plurality of wireless mobile nodes and a plurality of wireless communication links (Fig. 5) connecting the plurality of nodes together over a plurality of channels. The method includes each node monitoring link performance on a first channel, link performance being based upon at least one quality of service (QoS) threshold, and each node scouting one or more other available channels when the monitored link performance on the first channel falls below the QoS threshold. The QoS threshold is preferably based upon at least one of available bandwidth, error rate, end-to-end delay, end-to-end delay variation, hop count, expected path durability, and priority.

Description

technical field [0001] The invention relates to the field of communication networks, in particular to mobile ad hoc wireless networks and related methods. Background technique [0002] Over the past decade, wireless networking has undergone growth. One of the fastest growing areas is mobile ad hoc networks. Physically, a mobile ad hoc network consists of multiple geographically dispersed, potentially mobile nodes sharing a common radio channel. Compared with other types of networks, such as cellular networks or satellite networks, the most prominent feature of MANETs is that they do not have any fixed infrastructure. Networks consist only of mobile nodes, and a network is created over the air when nodes transmit signals to each other. The network is not tied to one specific node and is dynamically adjusted when some nodes join or others leave the network. [0003] In a hostile environment where a fixed communications infrastructure is unreliable or unavailable, such as o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04B7/26H04L12/56H04W40/02H04W40/28H04W84/18
CPCH04W40/02H04L45/26H04W40/28H04W84/18H04W24/00H04W72/04H04L45/302H04W28/04
Inventor 汤姆·比尔哈特兹
Owner HARRIS CORP