A Context-Aware Based Ad Hoc Network Bandwidth Management Method

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

Inactive Publication Date: 2019-04-05
PLA UNIV OF SCI & TECH
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  • Abstract
  • Description
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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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  • A Context-Aware Based Ad Hoc Network Bandwidth Management Method
  • A Context-Aware Based Ad Hoc Network Bandwidth Management Method
  • A Context-Aware Based Ad Hoc Network Bandwidth Management Method

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Embodiment Construction

[0040] In the following, the present invention will be further clarified with reference to specific examples. It should be understood that these examples are only used to illustrate the present invention and not to limit the scope of the present invention. After reading the present invention, those skilled in the art will understand various equivalent forms of the present invention. All the modifications fall within the scope defined by the appended claims of this application.

[0041] Such as figure 1 As shown, the context-aware network bandwidth management method (Context-AwareBandwidth Management Scheme, CABMS) based on context awareness collects the user’s contextual attribute values ​​in real time as input through the provision of corresponding sensor devices on the nodes, and inputs them as evidence into the Bayesian network Perform reasoning, calculate the edge probability of the importance of each service, determine the importance of the service, and pass it to the bandwi...

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Abstract

The invention discloses a context-aware Ad Hoc network bandwidth management method, which uses the local context of the node to infer the importance of the current business, and gives a rating of the business importance; The business importance index is introduced into the function, so that when the network bandwidth resource is tight, the share of bandwidth allocation is biased towards the business with high importance, and the completion of key network business is prioritized. The invention realizes that the network adaptively adjusts the bandwidth allocation according to the situation information of the nodes, and improves the overall survivability of the network.

Description

Technical field [0001] The present invention relates to a complex network environment such as battlefields and emergency rescue. With the help of network situation perception, nodes collect local situation information and use Bayesian network to infer the importance of current business, and then reasonably allocate bandwidth resources to An invention for improving service survivability. The present invention relates to context-aware technology, Bayesian networks and bandwidth allocation models, and in particular to a bandwidth management scheme based on context-aware to differentiate service priorities. Background technique [0002] Ad Hoc network is a wireless self-organizing network that does not require infrastructure support. Nodes are connected to each other through automatic configuration. The network is flexible and powerful. It is widely used in military operations, disaster recovery, and temporary meetings. Bandwidth resources are scarce in the AdHoc network. When data s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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