Enhancement energy efficient TDMA wake up MAC protocol by clustering for wireless sensor networks

Authors:
Javad Mohammadi Nasiri;Mahmood Fathy;Mohsen Soryani
Affiliations:
Iran Univ. of Science and Technology, Resalat Square, Narmak, Tehran, Iran;Iran Univ. of Science and Technology, Resalat Square, Narmak, Tehran, Iran;Iran Univ. of Science and Technology, Resalat Squ, Narmak, Tehran, Iran
Venue:
Proceedings of the International Conference on Advances in Computing, Communication and Control
Year:
2009

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Abstract

This paper proposes energy efficient self organization and medium access control (MAC) protocols for wireless sensor networks. The proposed protocol is based on Time Division Multiple Access Wake Up (TDMA-W) principle and is referred to as CBTW. In the proposed protocol a sensor utilizes its assigned slot only when it is sending or receiving information, otherwise its receiver and transmitter are turned off to avoid unnecessary neighbor listening. In order to accelerate receive response, wake-up packets are used to activate a sleeping node. In this protocol, after selecting cluster head and creating spanning tree, the nodes are scheduled based on TDMA-W method to gather data. When compared with the existing energy efficient MAC protocols, such as TDMA-W and 10% S-MAC, the performance results show that the proposed CBTW protocol consumes only 50% of the TDMA-W and 20% S-MAC power.