標題: Coloring-Based Inter-WBAN Scheduling for Mobile Wireless Body Area Networks
作者: Cheng, Shih Heng
Huang, Ching Yao
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
關鍵字: Wireless body area network;sensors;inter-WBAN interference;scheduling;graph coloring;spatial reuse;time-complexity
公開日期: 1-二月-2013
摘要: In this study, random incomplete coloring (RIC) with low time-complexity and high spatial reuse is proposed to overcome in-between wireless-body-area-networks (WBAN) interference, which can cause serious throughput degradation and energy waste. Interference-avoidance scheduling of wireless networks can be modeled as a problem of graph coloring. For instance, high spatial-reuse scheduling for a dense sensor network is mapped to high spatial-reuse coloring; fast convergence scheduling for a mobile ad hoc network (MANET) is mapped to low time-complexity coloring. However, for a dense and mobile WBAN, inter-WBAN scheduling (IWS) should simultaneously satisfy both of the following requirements: 1) high spatial-reuse and 2) fast convergence, which are tradeoffs in conventional coloring. By relaxing the coloring rule, the proposed distributed coloring algorithm RIC avoids this tradeoff and satisfies both requirements. Simulation results verify that the proposed coloring algorithm effectively overcomes inter-WBAN interference and invariably supports higher system throughput in various mobile WBAN scenarios compared to conventional colorings.
URI: http://dx.doi.org/10.1109/TPDS.2012.133
http://hdl.handle.net/11536/20778
ISSN: 1045-9219
DOI: 10.1109/TPDS.2012.133
期刊: IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS
Volume: 24
Issue: 2
起始頁: 250
結束頁: 259
顯示於類別:期刊論文


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  1. 000312839100004.pdf