Schedule unifying algorithm extending network lifetime in S-MAC-based wireless sensor networks

Author

Lee, Woonsik ; Nguyen, Minh Viet ; Verma, Arabinda ; Lee, Hwang Soo

Author_Institution

Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea

Volume

8

Issue

9

fYear

2009

fDate

9/1/2009 12:00:00 AM

Firstpage

4375

Lastpage

4379

Abstract

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.

Keywords

access protocols; energy consumption; scheduling; wireless sensor networks; S-MAC based sensor networks; energy consumption; network lifetime; schedule unifying algorithm; sensor medium access protocol; wireless sensor networks; Batteries; Clustering algorithms; Energy consumption; Energy efficiency; Media Access Protocol; Scheduling algorithm; Sleep; Spread spectrum communication; Switches; Wireless sensor networks; S-MAC; Schedule Unifying Algorithm; media access control; sensor networks;

fLanguage

English

Journal_Title

Wireless Communications, IEEE Transactions on

Publisher

ieee

ISSN

1536-1276

Type

jour

DOI

10.1109/TWC.2009.070370

Filename

5285151