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Cited 25 time in webofscience Cited 27 time in scopus
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Time slot assignment for convergecast in wireless sensor networks SCIE SCOPUS

Title
Time slot assignment for convergecast in wireless sensor networks
Authors
Park, JLee, SYoo, S
Date Issued
2015-09
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
Abstract
Convergecast, which is essentially the inverse of broadcast, can be used for data collection in a wireless sensor network. This paper addresses the problem of convergecast in a wireless sensor network that uses time division multiplexing in order to schedule its node-to-node communication in a time-bounded manner. A realistic system model and problem for convergecast with minimum delay and minimum energy consumption is formulated for wireless sensor networks. Then, based on a detailed analysis of this problem, a heuristic solution based on time slot assignments is proposed. Simulation results are used to show that the proposed algorithm performs significantly better than alternative methods for this problem. The simulation results also show that the data delivery time of the proposed algorithm is close to the theoretical bound. Furthermore, total energy consumption is significantly reduced, when compared to the alternatives, due to the time slot assignment method used in the proposed algorithm. (C) 2015 Elsevier Inc. All rights reserved.
URI
https://oasis.postech.ac.kr/handle/2014.oak/35530
DOI
10.1016/J.JPDC.2015.05.004
ISSN
0743-7315
Article Type
Article
Citation
JOURNAL OF PARALLEL AND DISTRIBUTED COMPUTING, vol. 83, page. 70 - 82, 2015-09
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유승주YOO, SUNGJOO
Dept of Electrical Enginrg
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