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Hybrid Priority Medium Access Control Scheme for Wireless Body Area Networks  

Lee, In-Hwan (한양대학교 전자컴퓨터통신공학과 통신신호처리연구실)
Lee, Gun-Woo (중앙대학교 컴퓨터공학과 유비쿼터스 컴퓨팅연구실)
Cho, Sung-Ho (한양대학교 전자컴퓨터통신공학과 통신신호처리연구실)
Choo, Sung-Rae (중앙대학교 컴퓨터공학과 유비쿼터스 컴퓨팅연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.35, no.9B, 2010 , pp. 1305-1313 More about this Journal
Abstract
Last few years, wireless personal area network (WPAN) has been widely researched for various healthcare applications. Due to restriction of device hardware (e.g., energy and memory), we need to design a highly-versatile MAC layer protocol for WBAN (Wireless Body Area Network). In addition, when an emergency occurs to a patient, a priority mechanism is necessitated for a urgent message to get through to the final destination. This paper presents a priority mechanism referred to as hybrid priority MAC for WBAN. Through extensive simulation, we show the proposed MAC protocol can minimize the average packet latency for urgent data. Thus, when patients have an emergency situation, our MAC allows adequate assistance time and medical treatment for patients. The simulation based on NS-2 shows that our Hybrid Priority MAC has the good performance and usability.
Keywords
Wireless Body Area Network; Priority MAC; On-body device;
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