DocumentCode :
1935325
Title :
A distributed wireless channel assignment algorithm with collision reduction
Author :
Wang, Ju ; Choi, Hongsik ; Jung, Changyong
Author_Institution :
Comput. Sci. Dept., Virginia Commonwealth Univ., Richmond, VA
fYear :
2009
fDate :
18-22 May 2009
Firstpage :
543
Lastpage :
551
Abstract :
Using multiple channels and smart frequency reuse strategy could significantly improve the performance of wireless sensor networks. In this paper we propose an method to determine channel usage based on discrete particle swarming optimization (PSO) algorithm. In stead of searching for a collision-free channel assignment which is not achievable in many scenarios, the goal of our algorithm is to find a channel allocation that results in the least amount of channel interference. Our method search discrete variables in the search space, and candidate solutions containing space-channel reuse. Local node channel state information is used to update the particle velocity as well as the current swarm optimum. Our results show that PSO can find very good channel allocation and significantly increase the overall communication efficiency and battery life.
Keywords :
channel allocation; cochannel interference; distributed algorithms; frequency allocation; particle swarm optimisation; telecommunication congestion control; wireless channels; wireless sensor networks; channel allocation; cochannel interference; collision reduction; distributed algorithm; frequency reuse; particle swarming optimization; wireless channel assignment; wireless sensor network; Batteries; Channel allocation; Computer science; Frequency; Heuristic algorithms; Interchannel interference; Optimization methods; Radio spectrum management; Wireless networks; Wireless sensor networks; channel allocation; distributed algorithm; particle swarming; wireless network;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Collaborative Technologies and Systems, 2009. CTS '09. International Symposium on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4244-4584-4
Electronic_ISBN :
978-1-4244-4586-8
Type :
conf
DOI :
10.1109/CTS.2009.5067525
Filename :
5067525
Link To Document :
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