CREATE - NET TECHNICAL REPORT CN - TR - 200800022 2008 Authored by : Tinku Rasheed and Massimiliano Slongo Channel Assignment in Wireless Mesh Networks

Wireless mesh networks o er many advantages in terms of connectivity and reliability. They provide multiple paths between nodes and are self healing. Traditionally, wireless mesh networks were used with nodes equipped with a single radio. There are however, limitations in single radio wireless mesh networks, such as lower throughput and its limited use of the available wireless channels. This report focuses on the Channel Allocation scheme which e ciently utilizes multiple wireless interfaces to achieve better throughput thereby increasing the network capacity considering the presence of co-located wireless networks. We introduce and evaluate di erent methods to improve the network throughput in a multi radio wireless mesh network. We present some channel assignment protocols which utilize multiple radio interfaces to improve the throughput and minimize the radio interference of the wireless network.