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http://dx.doi.org/10.7840/kics.2016.41.11.1423

Receiver-Initiated MAC Protocol Using an Intermediate Node to Improve Performance  

Kong, Joon-Ik (Telecommunications Technology Association, Software Testing & Certification Laboratory)
Lee, Jaeho (Seowon University, Department of Information and Communications Engineering)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.41, no.11, 2016 , pp. 1423-1430 More about this Journal
Abstract
The MAC protocols, which are classified into synchronous and asynchronous MAC protocol in the wireless sensor network, have actively studied. Especially, the asynchronous MAC protocol needs to research on the algorithm synchronizing between nodes, since each node independently operates in its own duty cycle. Typically, Receiver-Initiated MAC protocol is the algorithm synchronizing particular nodes by using beacon immediately transmitted by each node when it wakes up. However, the sender consumes unnecessary energy because it blankly waits until receiving the receiver's beacon, even if it does not know when the receiver's beacon is transmitted. In this paper, we propose the MAC protocol which can improve the performance by selecting an optimal node between a sender and a receiver to overcome the disadvantages. The simulation results show that the proposed algorithm improves energy efficiency and decreases average delay time than the conventional algorithm.
Keywords
Energy Efficiency; Intermediate Node; Receiver-Initiated MAC; Asynchronous MAC; WSN;
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