Title
On Minimizing Interference-Free Broadcast Latency in Duty-Cycled Wireless Sensor Networks.
Abstract
Broadcast is a crucial operation for routing discovery, data collection and code update in wireless sensor networks, and has attracted plenty of researches recently. In duty-cycled wireless sensor networks, nodes periodically switch between the active and sleep states, which differs from the assumption of most existing broadcast algorithms and thus makes these algorithms unsuitable. In this paper, we focus on the problem of minimizing the broadcast latency in duty-cycled wireless sensor networks while ensuring the transmissions are interference-free. We show that this problem is NP-hard, and propose a novel approximation algorithm with provable performance guarantee. We also prove that the overhead of our proposed algorithm in terms of the number of transmissions is within constant times of the optimum overhead. Extensive simulations are conducted to evaluate the performance of our proposed algorithm and the simulation results confirm the efficiency of our proposed algorithm.
Year
DOI
Venue
2013
null
AD HOC & SENSOR WIRELESS NETWORKS
Keywords
Field
DocType
broadcast scheduling,duty cycle,approximation algorithm,maximal independent set,wireless sensor networks,protocol interference model
Duty,Key distribution in wireless sensor networks,Broadcasting,Duty cycle,Computer science,Latency (engineering),Computer network,Interference (wave propagation),Broadcast radiation,Wireless sensor network,Distributed computing
Journal
Volume
Issue
ISSN
18
SP3-4
1551-9899
Citations 
PageRank 
References 
1
0.35
0
Authors
7
Name
Order
Citations
PageRank
Xianlong Jiao1516.19
Xiaodong Wang2252.78
Wei Lou3104565.01
Jiannong Cao45226425.12
Xiao Xia5112.57
Xingming Zhou630638.61
GeMing Xia7142.60