An energy-efficient low-SAR pathfinding mechanism for WBAN. (9th July 2020)

• Record Type: Journal Article
• Authors: Wu, Tin-Yu; Wu, Yu-Wei
• Is Part Of: International journal of ad hoc and ubiquitous computing. Volume 34:Number 4(2020)
• Page Start: 199
• Page End: 207
• Publication Date: 2020-07-09
• Subjects: wireless sensor network -- WSN -- wireless body area network -- WBAN -- specific absorption rate -- SAR -- Dijkstra's algorithm; Ubiquitous computing -- Periodicals; Embedded computer systems -- Periodicals; Electronic data processing -- Distributed processing -- Periodicals; Wireless communication systems -- Periodicals; Computer architecture -- Periodicals; 004.2
• Languages: English
• ISSNs: 1743-8225

Abstract

In wireless body area network (WBAN), sensors nodes are placed on, in or around the human body to gather bioinformation for medical purposes. However, energy efficiency remains a crucial problem for WBANs. Energy consumption determines the life time of a network and any node failure could cause network failure. In the medical context, network failure may significantly degrade system reliability and result in considerable packet loss that could be life-threatening. In this study, Dijkstra algorithm is adopted for pathfinding. According to each node's remainder power and weighted SAR value, our proposed mechanism can find the path with the lowest SAR to reduce the effects of electromagnetic radiation on the human body.