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Method for establishing layer-striding dynamic source route protocol based on load balance

A routing protocol and load balancing technology, applied in wireless network protocols, network traffic/resource management, electrical components, etc., can solve problems such as routing protocols without WMN, achieve good performance, narrow the scope, and reduce the number of times.

Inactive Publication Date: 2010-07-21
SUN YAT SEN UNIV
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  • Description
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  • Application Information

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Problems solved by technology

[0007] To sum up, there are many problems that need to be solved urgently when the existing routing protocols are suitable for WMN. At present, there is no routing protocol that is particularly suitable for WMN.

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  • Method for establishing layer-striding dynamic source route protocol based on load balance
  • Method for establishing layer-striding dynamic source route protocol based on load balance
  • Method for establishing layer-striding dynamic source route protocol based on load balance

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Embodiment Construction

[0046] The present invention provides a method for establishing a cross-layer dynamic source routing protocol based on load balancing, which adopts the form of single-path routing and is based on the dynamic source routing protocol, which includes the following steps:

[0047] Based on IEEE802.11 MAC layer technology, set the period T, listen to the network allocation vector in the request frame and the transmission permission frame of the neighboring node of node S in the period T, calculate the idle time of the node, and obtain the remaining available resources of the node bandwidth;

[0048] According to the remaining available bandwidth of the node S, the load of the node S, the number of hops and the amount of data in the cache queue, pass it to the network layer to form a routing criterion, and select the path parameter with the largest routing criterion;

[0049] Establish multiple gateways to divert traffic, and distribute traffic to each gateway.

[0050] The calcula...

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Abstract

The invention relates to the technical field of wireless communication and discloses a building method for a layer-spanning dynamic source routing protocol based on load balance. With a single-path routing mode adopted and based on the dynamic source routing protocol, the method comprises the following steps: based on IEEE802.11 MAC layer technology, a cycle T is determined, network distribution vectors in a request frame and an allowing frame sent by a neighbor node S are intercepted within the cycle T, and the idle time of the node is calculated to obtain the residual available bandwidth ofthe node; the residual available bandwidth, the load, the hop count and the data quantity in a buffer queue of the node S are transferred to the network layer to form routing metrics, and a path parameter with the biggest metric is selected; a plurality of gateways used for shifting flows are built for shunting the flows to separate gateway. The building method for the layer-spanning dynamic source routing protocol based on the load balance can maintain the load balance of the whole network, reduce the routing query flooding range, reduce the times of routing discovery and improve the throughput of WMN.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a method for establishing a load balancing-based cross-layer dynamic source routing protocol. technical background [0002] With the development of wireless networks, Wireless Mesh Networks (WMN, Wireless Mesh Networks) has become a research hotspot in recent years. WMN is a multi-hop, self-organizing and self-healing broadband wireless network structure, that is, a high-capacity, high-speed distributed network, which is quite different from traditional wireless networks. In recent years, the research on WMN technology has made great progress. The key technologies studied include smart antenna technology, multiple access technology, Mesh routing technology, wireless switching technology, etc. The research on various issues has also made great progress, and some related standards have been issued, but there are still many needs. room for improvement. For example,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W80/06H04W28/02H04W84/02
Inventor 周杰英李静肖继珑肖博兴谢伟聪
Owner SUN YAT SEN UNIV
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