Abstract
Leading MAC protocols developed for duty-cycled WSNs such as B-MAC employ a long preamble and channel sampling. The long preamble introduces excess latency at each hop and results in excess energy consumption at non-target receivers in ultra low-duty cycled WSNs. In this paper we propose AS-MAC (Asynchronous Sensor MAC), a low power MAC protocol for wireless sensor networks (WSNs). AS-MAC solves these problems by employing a series of preload approach that retains the advantages of low power listening and independent channel sampling schedule. The preload massage includes a destination address and a remaining time until data transmission. Moreover AS-MAC offers an additional advantage such as flexible duty cycle as data rate varies. We demonstrate that AS-MAC is better performance than B-MAC through analysis and evaluation.
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© 2007 Springer-Verlag Berlin Heidelberg
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On, J., Kim, J., Lee, J., Kim, Y., Chong, H. (2007). A MAC Protocol with Adaptive Preloads Considering Low Duty-Cycle in WSNs. In: Zhang, H., Olariu, S., Cao, J., Johnson, D.B. (eds) Mobile Ad-Hoc and Sensor Networks. MSN 2007. Lecture Notes in Computer Science, vol 4864. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77024-4_26
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DOI: https://doi.org/10.1007/978-3-540-77024-4_26
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-77023-7
Online ISBN: 978-3-540-77024-4
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