EETP-MAC: energy efficient traffic prioritization for medium access control in wireless body area networks

Fasee Ullah, Abdul Hanan Abdullah, Omprakash Kaiwartya (), Jaime Lloret and Marina Md Arshad
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Fasee Ullah: Universiti Teknologi Malaysia (UTM)
Abdul Hanan Abdullah: Universiti Teknologi Malaysia (UTM)
Omprakash Kaiwartya: Universiti Teknologi Malaysia (UTM)
Jaime Lloret: Universidad Politecnica de Valencia
Marina Md Arshad: Universiti Teknologi Malaysia (UTM)

Telecommunication Systems: Modelling, Analysis, Design and Management, 2020, vol. 75, issue 2, No 5, 203 pages

Abstract: Abstract Wireless body area network (WBAN) has witnessed significant attentions in the healthcare domain using biomedical sensor-based monitoring of heterogeneous nature of vital signs of a patient’s body. The design of frequency band, MAC superframe structure, and slots allocation to the heterogeneous nature of the patient’s packets have become the challenging problems in WBAN due to the diverse QoS requirements. In this context, this paper proposes an Energy Efficient Traffic Prioritization for Medium Access Control (EETP-MAC) protocol, which provides sufficient slots with higher bandwidth and guard bands to avoid channels interference causing longer delay. Specifically, the design of EETP-MAC is broadly divided in to four folds. Firstly, patient data traffic prioritization is presented with broad categorization including Non-Constrained Data (NCD), Delay-Constrained Data (DCD), Reliability-Constrained Data (RCD) and Critical Data (CD). Secondly, a modified superframe structure design is proposed for effectively handling the traffic prioritization. Thirdly, threshold based slot allocation technique is developed to reduce contention by effectively quantifying criticality on patient data. Forth, an energy efficient frame design is presented focusing on beacon interval, superframe duration, and packet size and inactive period. Simulations are performed to comparatively evaluate the performance of the proposed EETP-MAC with the state-of-the-art MAC protocols. The comparative evaluation attests the benefit of EETP-MAC in terms of efficient slot allocation resulting in lower delay and energy consumption.

Keywords: Wireless body area network; Medium access control; Energy efficient; Traffic Prioritization (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1007/s11235-017-0349-5

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