Schedule Unifying Algorithm Extending Network Lifetime in S-MAC-Based Wireless Sensor Networks

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In S-MAC-based sensor networks, border nodes consume more energy since they follow multiple listen and sleep schedules. Therefore they switch into the listen state frequently and reduce the network lifetime. This paper proposes a simple but powerful algorithm, termed the Schedule Unifying Algorithm (SUA), to minimize energy consumption of border nodes by unifying multiple listen and sleep schedules into a single unified schedule. The simulation results show that SUA incorporated SMAC-based nodes consume less energy, thereby extending the network lifetime approximately 2 times more.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2009-09
Language
English
Article Type
Article
Citation

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, v.8, pp.4375 - 4379

ISSN
1536-1276
DOI
10.1109/TWC.2009.070370
URI
http://hdl.handle.net/10203/100339
Appears in Collection
EE-Journal Papers(저널논문)
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