Self Reconfigurale Wirelessmesh Networks

Provided by: International Journal of Communications and Engineering
Topic: Mobility
Format: PDF
A multi-hop Wireless Mesh Networks (WMNs) experience frequent link failures caused by channel interference, dynamic obstacles and/or applications' bandwidth demands. These failures cause severe performance degradation in WMNs or require expensive manual network management for their real-time recovery. This paper presents an Autonomous network Reconfiguration System (ARS) that enables a multi-radio WMN thus-generated configuration changes, the system cooperatively reconfigures network settings among local mesh routers. ARS has been implemented and evaluated extensively on the authors' IEEE 802.11 based WMN test-bed as well as through ns2-based simulation. Their evaluation results show that ARS outperforms existing failure-recovery schemes in improving channel-efficiency by more than 90% and in the ability of meeting the applications' bandwidth demands by an average of 200%.

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