Title
Reliability-Aware Cooperative Node Sleeping and Clustering in Duty-Cycled Sensors Networks.
Abstract
Duty-cycled sensor networks provide a new perspective for improvement of energy efficiency and reliability assurance of multi-hop cooperative sensor networks. In this paper, we consider the energy-efficient cooperative node sleeping and clustering problems in cooperative sensor networks where clusters of relay nodes jointly transmit sensory data to the next hop. Our key idea for guaranteeing reliability is to exploit the on-demand number of cooperative nodes, facilitating the prediction of personalized end-to-end (ETE) reliability. Namely, a novel reliability-aware cooperative routing (RCR) scheme is proposed to select k-cooperative nodes at every hop (RCR-selection). After selecting k cooperative nodes at every hop, all of the non-cooperative nodes will go into sleep status. In order to solve the cooperative node clustering problem, we propose the RCR-based optimal relay assignment and cooperative data delivery (RCR-delivery) scheme to provide a low-communication-overhead data transmission and an optimal duty cycle for a given number of cooperative nodes when the network is dynamic, which enables part of cooperative nodes to switch into idle status for further energy saving. Through the extensive OPNET-based simulations, we show that the proposed scheme significantly outperforms the existing geographic routing schemes and beaconless geographic routings in wireless sensor networks with a highly dynamic wireless channel and controls energy consumption, while ETE reliability is effectively guaranteed.
Year
DOI
Venue
2018
10.3390/s18010127
SENSORS
Keywords
Field
DocType
beaconless geographic routing,cooperative communication,duty cycle,energy efficiency,reliability-aware
Wireless,Data transmission,Efficient energy use,Computer network,Electronic engineering,Engineering,Cluster analysis,Geographic routing,Energy consumption,Wireless sensor network,Relay
Journal
Volume
Issue
ISSN
18
1.0
1424-8220
Citations 
PageRank 
References 
0
0.34
24
Authors
5
Name
Order
Citations
PageRank
Jeungeun Song1563.19
Yiming Miao2497.80
Enmin Song317624.53
M. Shamim Hossain4117183.62
Mohammed F. Alhamid516421.55