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Energy-efficient low duty cycle MAC protocol for wireless body area networks

Published: 01 November 2009 Publication History

Abstract

This paper presents an energy-efficient medium access control protocol suitable for communication in a wireless body area network for remote monitoring of physiological signals such as EEG and ECG. The protocol takes advantage of the static nature of the body area network to implement the effective time-division multiple access (TDMA) strategy with very little amount of overhead and almost no idle listening (by static, we refer to the fixed topology of the network investigated). The main goal is to develop energy-efficient and reliable communication protocol to support streaming of large amount of data. TDMA synchronization problems are discussed and solutions are presented. Equations for duty cycle calculation are also derived for power consumption and battery life predictions. The power consumption model was also validated through measurements. Our results show that the protocol is energy efficient for streaming communication as well as sending short bursts of data, and thus can be used for different types of physiological signals with different sample rates. The protocol is implemented on the analog devices ADF7020 RF transceivers.

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    Published In

    cover image IEEE Transactions on Information Technology in Biomedicine
    IEEE Transactions on Information Technology in Biomedicine  Volume 13, Issue 6
    Special section on body sensor networks
    November 2009
    230 pages

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    IEEE Press

    Publication History

    Published: 01 November 2009
    Revised: 14 September 2009
    Received: 27 February 2009

    Author Tags

    1. Body area networks (BANs)
    2. body area networks (BANs)
    3. energy efficiency
    4. medium access control (MAC) protocol
    5. wireless sensor networks

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    • (2022)Contiki IEEE 802.15.4 MAC Layer Protocols: Implementation and Evaluation of Node’s Throughput and Power ConsumptionWireless Personal Communications: An International Journal10.1007/s11277-022-09468-6124:3(2367-2390)Online publication date: 1-Jun-2022
    • (2022)OMAC: Optimal Medium Access Control Based Energy and QoS Compromise Techniques for Wireless Body Area NetworksWireless Personal Communications: An International Journal10.1007/s11277-021-09285-3123:4(3223-3240)Online publication date: 1-Apr-2022
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