An Optimized Network Throughput and Delay Control in Hybrid Multi Channel Wireless Mesh Networks
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 2
Abstract
A wireless mesh network is a multi-hop wireless network consisting of a large number of wireless nodes, some of which are called gateway nodes and connected with a wired network. Using multiple channels instead of a single channel in multi hop wireless networks has been shown to be able to improve the network throughput dramatically. The throughput of a wireless mesh network can be dramatically increased by utilizing multiple channels instead of a single channel. However, there exists a tradeoff between throughput and delay, especially when dynamic channel allocation strategies are used. In this section, we propose a dynamic channel allocation protocol, which tries to optimize for both network throughput and packet delay, while adapting to changing traffic. A hybrid wireless mesh network architecture, where each mesh node has both static and dynamic interfaces, is proposed. Two contributions have been made. First, an adaptive dynamic channel allocation protocol to be used on dynamic interfaces is proposed. Compared with MMAC, ADCA reduces the packet delivery delay without degrading the network throughput. In addition, an interference and congestion aware routing algorithm in the hybrid network is proposed, which balances the channel usage in the network and therefore increases the network throughput.
Authors and Affiliations
Mrs. M. Devi Sri Nandhini
Keywords
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