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Ad Hoc network bandwidth management method based on context awareness

A technology of network bandwidth and management method, applied in the field of context-aware Ad Hoc network bandwidth management, can solve problems such as exceeding link capacity and bandwidth waste, and achieve the effect of improving survivability

Inactive Publication Date: 2016-12-07
PLA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the principle of proportional fairness often makes the data flow with a small number of hops allocated too much bandwidth, even exceeding the link capacity, resulting in a waste of bandwidth

Method used

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  • Ad Hoc network bandwidth management method based on context awareness
  • Ad Hoc network bandwidth management method based on context awareness
  • Ad Hoc network bandwidth management method based on context awareness

Examples

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Embodiment Construction

[0040] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.

[0041] Such as figure 1 As shown, the Ad Hoc network bandwidth management method (Context-Aware Bandwidth Management Scheme, CABMS) based on context-awareness, collects the user's context attribute value in real time through the corresponding sensor device on the node as input, and regards it as evidence and enters it into the Bayesian network Carry out reasoning, calculate the importance edge probability of each business, judge the business importance, and pass it to the bandwidth allocation sch...

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Abstract

The invention discloses an Ad Hoc network bandwidth management method based on context awareness. The local context of a node is used for inferring the degree of importance of current business, and business importance rating is given; according to a business importance level, a business importance index is introduced into the utility function of node bandwidth distribution to cause a bandwidth distribution portion to be offset to the business with high importance when network bandwidth resources are in shortage, and network key business is guaranteed to be finished. By use of the method, the network bandwidth distribution is adaptively regulated according to the context information of the node, and the integral survivability of the network is improved.

Description

technical field [0001] The present invention relates to a complex network environment such as battlefields and emergency rescue, with the help of the idea of ​​network situation awareness, collecting local situation information through nodes and using Bayesian networks to infer the importance of current services, and then rationally allocate bandwidth resources to An invention for improving service survivability, the present invention relates to a situation awareness technology, a Bayesian network and a bandwidth allocation model, in particular to a situation awareness-based bandwidth management scheme for distinguishing business priorities. Background technique [0002] Ad Hoc network is a wireless self-organizing network that does not require infrastructure support, and nodes are connected to each other through automatic configuration. It has flexible networking and powerful functions. It is widely used in military operations, post-disaster recovery, and temporary meetings....

Claims

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Application Information

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IPC IPC(8): H04W72/10
CPCH04W72/56
Inventor 王海涛宋丽华闫力张国敏陈晖张学平吴强张祯松朱世才黄照翠
Owner PLA UNIV OF SCI & TECH
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