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Sensors 2010, 10(1), 128-145; doi:10.3390/s100100128

A Study of MAC Protocols for WBANs

UWB-ITRC Center, Inha University, 253 Yonghyun-dong, Nam-gu, Incheon, 402-751, Korea
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Received: 26 November 2009 / Revised: 7 December 2009 / Accepted: 20 December 2009 / Published: 28 December 2009
(This article belongs to the Section Chemical Sensors)
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Abstract

The seamless integration of low-power, miniaturised, invasive/non-invasive lightweight sensor nodes have contributed to the development of a proactive and unobtrusive Wireless Body Area Network (WBAN). A WBAN provides long-term health monitoring of a patient without any constraint on his/her normal dailylife activities. This monitoring requires the low-power operation of invasive/non-invasive sensor nodes. In other words, a power-efficient Medium Access Control (MAC) protocol is required to satisfy the stringent WBAN requirements, including low-power consumption. In this paper, we first outline the WBAN requirements that are important for the design of a low-power MAC protocol. Then we study low-power MAC protocols proposed/investigated for a WBAN with emphasis on their strengths and weaknesses. We also review different power-efficient mechanisms for a WBAN. In addition, useful suggestions are given to help the MAC designers to develop a low-power MAC protocol that will satisfy the stringent requirements. View Full-Text
Keywords: MAC; WBAN; BSN; low-power MAC; WBAN; BSN; low-power
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Ullah, S.; Shen, B.; Riazul Islam, S.; Khan, P.; Saleem, S.; Sup Kwak, K. A Study of MAC Protocols for WBANs. Sensors 2010, 10, 128-145.

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