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http://dx.doi.org/10.5573/ieie.2015.52.5.106

Buffer Management Algorithm for Performance Improvement in WBAN  

Kim, JiWon (Dept. of Electronic Engineering Inha University)
Kim, Kanghee (Dept. of Electronic Engineering Inha University)
Lee, ChangHo (Dept. of Electronic Engineering Inha University)
Choi, SangBang (Dept. of Electronic Engineering Inha University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.52, no.5, 2015 , pp. 106-114 More about this Journal
Abstract
Wireless Body Area Network(WBAN) is a network standard around a human body which connects various medical sensor and devices It has to satisfy various demands such as data transmission rate, priority, and delay time. In this paper, considering a data priority and transmission delay time, is proposed to improve efficiency of WBAN service depending on congestion status of network. The proposed algorithm operates with adapted data removal probability according to data priority when the hub buffer is congested than before. And in the case of lower congestion within the hub buffer data is served considering data delay time. Through the comparison with other existing scheduling algorithms, it is confirmed that quality of WBAN service is improved due to lower data loss rate of medical data and less delay time in the proposed algorithm.
Keywords
WBAN; IEEE 802.15.6; buffer management; sensor network;
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