DURI-MAC: A dual channel receiver initiated MAC protocol for wireless sensor network (WSN)

In data communication aspects, wireless medium is more popular than wired medium. The MAC protocol performs a vital role in regulating of message communication. Due to reduce number of collision and improving throughput a lot of wireless sensor network MAC protocol has been proposed. However, the main drawbacks of asynchronous MAC protocol are data collision, hidden terminal problem, energy consumption and idle listening. With a view to decreasing data collision and minimize hidden and exposed terminal problem, we propose an improvement of RI-MAC entitled as DURI-MAC. In DURI-MAC, we use dual channel in order to minimize number of hidden and exposed terminal that reduce number of collision and improve network throughput. Moreover, we use a unique CCA time generator that also enhances system throughput. We use OMNET++ as our simulation platform and compare our result with RI-MAC, RCMAC and IRI-MAC. The simulation result shows that DURI-MAC outperforms compare to other MAC in terms of throughput, reduced collision and successful transmission.