NDLI: Priority-aware scheduling for coexisting wireless body area networks (invited paper)

Content Provider	IEEE Xplore Digital Library
Author	Shiwei Huang Jun Cai
Copyright Year	2015
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Univ. of Manitoba, Winnipeg, MB, Canada (Shiwei Huang; Jun Cai)
Abstract	In this paper, priority-aware scheduling to the coexistence of multiple wireless body area networks (WBANs) is addressed. The scheduling is formulated as a nonlinear optimization problem where the objective is to maximize system throughput while guaranteeing the priorities among WBANs. To overcome the inherent complexity issue, a new method, called recursive decomposition algorithm (RDA), is proposed to solve the original nonlinear problem by decomposing it into several linear subproblems. Each subproblem is then solved by a column generation method in order to avoid the large number of variables. Since the pricing problem in the column generation method is a 0-1 integer programming which is known to be NP-complete, a heuristic weight-greedy algorithm with a much lower time complexity is proposed. The simulation results show that the proposed RDA can effectively guarantee the priorities among WBANs and can obtain near-optimal throughput performance even in the extremely high user density region.
Starting Page	1
Ending Page	5
File Size	878863
Page Count	5
File Format	PDF
e-ISBN	9781467376877
DOI	10.1109/WCSP.2015.7341059
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Priority-aware scheduling Column generation Processor scheduling Interference Wireless body area networks Body area networks Throughput Scheduling Coexistence Optimization
Content Type	Text
Resource Type	Article

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