Wei Cao,Caixing Liu,and Wenbin Zeng College of Informatics,South China Agricultural University Guangzhou 510642,China
This paper presents the multi-channel token assignment protocol for the wireless sensor network based on received signal strength indication. Communication cycle is divided into several specific functional windows to received signal strength indication as the terminal node credentials for channel reservation and to reduce the overall network access competition and data collisions. At the same time it extends the node sleeping time, so the energy will be saved and prolong the life of the network will be obtained. Making use of dynamic channel assignment methods can improve the utilization of multichannel, avoid packet collision and improve the network throughput.
WSN, Token, Multi-channel
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