Integrated coverage and connectivity configuration in wireless sensor networks
Proceedings of the 1st international conference on Embedded networked sensor systems
Handbook of Sensor Networks: Compact Wireless and Wired Sensing Systems
Handbook of Sensor Networks: Compact Wireless and Wired Sensing Systems
Maximum lifetime routing in wireless sensor networks
IEEE/ACM Transactions on Networking (TON)
Cyclops: in situ image sensing and interpretation in wireless sensor networks
Proceedings of the 3rd international conference on Embedded networked sensor systems
Models and solutions for radio irregularity in wireless sensor networks
ACM Transactions on Sensor Networks (TOSN)
Maximal Lifetime Scheduling for Sensor Surveillance Systems with K Sensors to One Target
IEEE Transactions on Parallel and Distributed Systems
A survey on wireless multimedia sensor networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Maximizing lifetime of sensor surveillance systems
IEEE/ACM Transactions on Networking (TON)
Lifetime maximization for connected target coverage in wireless sensor networks
IEEE/ACM Transactions on Networking (TON)
Priority-based target coverage in directional sensor networks using a genetic algorithm
Computers & Mathematics with Applications
Energy Efficient Target-Oriented Scheduling in Directional Sensor Networks
IEEE Transactions on Computers
Energy-efficient coverage problems in wireless ad-hoc sensor networks
Computer Communications
On coverage problems of directional sensor networks
MSN'05 Proceedings of the First international conference on Mobile Ad-hoc and Sensor Networks
Energy-Efficient connected coverage of discrete targets in wireless sensor networks
ICCNMC'05 Proceedings of the Third international conference on Networking and Mobile Computing
Multimedia technology for pervasive computing environment
The Journal of Supercomputing
Wireless Personal Communications: An International Journal
Learning automata-based algorithms for finding cover sets in wireless sensor networks
The Journal of Supercomputing
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A directional sensor network consists of a large number of directional sensors (e.g., image/video sensors), which have a limited angle of sensing range due to technical constraints or cost considerations. In such directional sensor networks, the power saving issue is a challenging problem. In this paper, we address the Directional Cover and Transmission (DCT) problem of organizing the directional sensors into a group of non-disjoint subsets to extend the network lifetime. One subset in which the directional sensors cover all the targets and forward the sensed data to the sink is activated at one time, while the others sleep to conserve their energy. For the DCT problem proven to be the NP-complete problem, we present a heuristic algorithm called the Shortest Path from Target to Sink (SPTS)-greedy algorithm. To verify and evaluate the proposed algorithm, we conduct extensive simulations and show that it can contribute to extending the network lifetime to a reasonable extent.