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A method for calculating bandwidth and allocating bandwidth in wireless ad hoc network

A wireless ad hoc network and bandwidth computing technology, applied in the field of information networks, can solve the problems of waste of resources and difficulty in determining the proportion of resource division.

Inactive Publication Date: 2017-09-05
PLA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many existing methods use channel reservation schemes based on resource partitioning to ensure the service quality of high-priority services, but this method may cause a huge waste of resources, and the ratio of resource partitioning is not easy to determine

Method used

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  • A method for calculating bandwidth and allocating bandwidth in wireless ad hoc network
  • A method for calculating bandwidth and allocating bandwidth in wireless ad hoc network
  • A method for calculating bandwidth and allocating bandwidth in wireless ad hoc network

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Embodiment Construction

[0027] 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.

[0028] 1. Bandwidth Calculation Method for Ad Hoc Networks Based on Time Slot Division

[0029] First, a bandwidth calculation method when hidden terminal collisions are not considered will be described. Bandwidth calculation can be realized by exchanging routing tables containing bandwidth information and routing information between adjacent nodes, let CFS(x,y) represent the public free slot set of link (x,y), and CFS_bw represent the reservation message from the downstream node The set of publi...

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Abstract

The invention discloses a method for calculating bandwidth and distributing bandwidth in a wireless ad hoc network, including a bandwidth calculation method in a wireless ad hoc network based on TDMA and a bandwidth allocation scheme based on service priority; a wireless ad hoc network based on TDMA The network bandwidth calculation method includes a bandwidth calculation method without considering hidden terminals and a bandwidth calculation method considering hidden terminals. Obtaining the available bandwidth information between any two nodes, the source node can choose a route to the destination node that can meet the bandwidth requirements, and can be used to decide whether to allow a new connection. The self-adaptive bandwidth allocation mechanism based on business priority takes into account the urgency of different business service needs, and is flexible in application and simple in implementation, so it is more feasible.

Description

technical field [0001] The present invention relates to a method for calculating network bandwidth, alleviating congestion and rationally allocating bandwidth in a wireless ad hoc network, specifically including a bandwidth calculation method and a bandwidth allocation scheme, in particular to a bandwidth calculation method based on time slot division considering hidden terminals and a service priority-based The design of a level adaptive bandwidth allocation scheme belongs to the field of information network technology. Background technique [0002] The wireless ad hoc network, which features no center, mobility, and self-organization, has a wide range of application prospects because it does not need to rely on infrastructure such as base stations and communication cables. Its networking technology has become a research hotspot in recent years. Emergency communications, battlefield Information reconnaissance and tactical communication are typical application scenarios. Wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/02H04W28/14H04W72/08H04W72/12H04W72/54
CPCH04W28/20H04W28/26H04W28/14H04W84/18H04W72/569
Inventor 王海涛宋丽华陈晖张学平张国敏吴强闫力许尹颖
Owner PLA UNIV OF SCI & TECH
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