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A wireless ad-hoc network is a decentralized type of wireless network. A WSN is dynamically self-organized and self-configured, with the nodes in the network automatically Wireless sensor nodes are low power, battery operated devices with limited computation and transmission. A Medium Access Control (MAC) protocol is required to coordinate the access to the channel, while ensuring good throughput, fairness, low latency at a reasonable energy cost. In the first part of the authors' work, they propose a distributed Channel allocation scheme to exploit this multi-channel capacity in sensor networks while taking into interference avoidance. The problem of channel allocation is similar to the code assignment problem in Code Division Multiple Access (CDMA).
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