+@ARTICLE{Torkestani,
+ author = "J. A. Torkestani",
+ title = "An adaptive energy-efficient area coverage algorithm for wireless sensor networks ",
+ journal = {Ad Hoc Networks},
+ volume = {11},
+ number = {6},
+ pages = {1655-1666},
+ year = {2013},
+ }
+
+@ARTICLE{Zhang,
+ author = "L. Zhang and Q. Zhu and J. Wang",
+ title = "Adaptive Clustering for Maximizing Network Lifetime and Maintaining Coverage ",
+ journal = {Journal of Networks},
+ volume = {8},
+ number = {3},
+ pages = {616-622},
+ year = {2013},
+ }
+
+@ARTICLE{pc10,
+ author = "T.V. Padmavathy and M. Chitra",
+ title = "Extending the Network Lifetime of Wireless Sensor Networks Using Residual Energy Extraction-Hybrid Scheduling Algorithm",
+ JOURNAL = {Int. J. of Communications, Network and System Sciences},
+ VOLUME = {3},
+ NUMBER = {1},
+PAGES = {98-106},
+YEAR = {2010},
+ }
+
+
+@ARTICLE{Misra,
+ author = "S. Misra and M. P. Kumar and M. S. Obaidat",
+ title = "Connectivity preserving localized coverage algorithm for area monitoring using
+wireless sensor networks ",
+ JOURNAL = {Computer Communications},
+ VOLUME = {34},
+ NUMBER = {12},
+ PAGES = {1484-1496},
+ YEAR = {2011},
+}
+
+
+@ARTICLE{Zhixin,
+ author = "Z. Liu and Q. Zheng and L. Xue and X. Guan",
+ title = "A distributed energy-efficient clustering algorithm with improved coverage in
+wireless sensor networks",
+ JOURNAL = {Future Generation Computer Systems},
+ VOLUME = {28},
+ NUMBER = {5},
+ PAGES = {780-790},
+ YEAR = {2012},
+ }
+
+@ARTICLE{Bang,
+ author = "B. Wang and H. B. Lim and D. Ma ",
+ title = "A coverage-aware clustering protocol for wireless sensor networks",
+ JOURNAL = {Computer Networks},
+ VOLUME = {56},
+ NUMBER = {5},
+ PAGES = {1599-1611},
+ YEAR = {2012},
+ }
+
+
+@ARTICLE{Shibo,
+ author = " S. He and J. Chen and X. Li and X. Shen and Y. Sun ",
+ title = "Leveraging Prediction to Improve the Coverage of Wireless Sensor Networks",
+ JOURNAL = {IEEE Transations on Parallel Distributed Systems},
+ VOLUME = {23},
+ NUMBER = {4},
+ PAGES = {701-712},
+ YEAR = {2012},
+ }
+
+@book{Akyildiz02,
+ author = {I. F. Akyildiz and M. C. Vuran},
+ title = {Wireless Sensor Networks},
+ publisher = {John Wiley and Sons Ltd.},
+ year = {2010},
+}
+
+@book{Sudip03,
+ author = {S. Misra and I. Woungang and S. C. Misra},
+ title = {Guide to Wireless Sensor Networks},
+ publisher = {Springer-Verlag London Limited},
+ year = {2009},
+}
+
+@book{Nayak04,
+ author = {A. Nayak and I. Stojmenovic},
+ title = {Wireless Sensor and Actuator Networks: Algorithms and Protocols for Scalable Coordination and Data Communication},
+ publisher = {John Wiley and Sons, Inc},
+ year = {2010},
+}
+
+@ARTICLE{Misra05,
+ author = "S. Misra and M. P. Kumar and M. S. Obaidat",
+ title = "Connectivity preserving localized coverage algorithm for area monitoring using wireless
+sensor networks",
+ JOURNAL = {Computer Communications},
+ VOLUME = {34},
+ NUMBER = {12},
+ PAGES = {1484-1496},
+ YEAR = {2011},
+ }
+
+@ARTICLE{Huang:2003:CPW:941350.941367,
+ author = "C.-F. Huang and Y.-C. Tseng",
+ title = "The Coverage Problem in a Wireless Sensor Network",
+ JOURNAL = {Mobile Networks and Applications},
+ VOLUME = {10},
+ NUMBER = {4},
+ PAGES = {519-528},
+ YEAR = {2005},
+ }
+
+
+@ARTICLE{Zhang05,
+ author = {H. Zhang and J. C. Hou},
+ title = {Maintaining Sensing Coverage and Connectivity in Large Sensor Networks},
+ journal = {Ad Hoc {\&} Sensor Wireless Networks},
+ volume = {1},
+ number = {1-2},
+ year = {2005},
+
+}
+
+@ARTICLE{HeinzelmanCB02,
+ author = {W. B. Heinzelman and A. P. Chandrakasan and H. Balakrishnan},
+ title = {An application-specific protocol architecture for wireless microsensor networks},
+ journal = {IEEE Transactions on Wireless Communications},
+ volume = {1},
+ number = {4},
+ pages = {660-670},
+ year = {2002},
+}
+
+
+@inproceedings{pedraza2006,
+ author = {F. Pedraza and A. L. Medaglia and A. Garcia},
+ title = {Efficient coverage algorithms for wireless sensor networks},
+ booktitle = {Proceedings of the 2006 Systems and Information Engineering Design Symposium},
+ pages = {78-83},
+ YEAR = {2006},
+}
+
+@PhDThesis{chin2007,
+author = {C. T. Vu},
+title = {DISTRIBUTED ENERGY-EFFICIENT SOLUTIONS FOR AREA COVERAGE PROBLEMS IN WIRELESS SENSOR NETWORKS},
+school = {Georgia State University},
+year = {2009},
+}
+
+@ARTICLE{varga,
+author = {A. Varga},
+title = {OMNeT++ Discrete Event Simulation System},
+journal = {Available: http://www.omnetpp.org},
+year = {2003},
+}
+
+
+@ARTICLE{die09,
+ author = {Isabel Dietrich and
+ Falko Dressler},
+ title = {On the lifetime of wireless sensor networks},
+ journal = {TOSN},
+ volume = {5},
+ number = {1},
+ year = {2009},
+ ee = {http://doi.acm.org/10.1145/1464420.1464425},
+ bibsource = {DBLP, http://dblp.uni-trier.de}
+}
+
+
+
+@ARTICLE{mulligan2010coverage,
+ title={Coverage in Wireless Sensor Networks: A Survey.},
+ author={Mulligan, Raymond and Ammari, Habib M},
+ journal={Network Protocols \& Algorithms},
+ volume={2},
+ number={2},
+ year={2010}
+}
+
+
+@phdthesis{vu2009distributed,
+ title={Distributed energy-efficient solutions for area coverage problems in wireless sensor networks},
+ author={Vu, Chinh Trung},
+ year={2009},
+ school={Georgia State University}
+}
+
+
+@ARTICLE{raghunathan2002energy,
+ title={Energy-aware wireless microsensor networks},
+ author={Raghunathan, Vijay and Schurgers, Curt and Park, Sung and Srivastava, Mani B},
+ journal={Signal Processing Magazine, IEEE},
+ volume={19},
+ number={2},
+ pages={40--50},
+ year={2002},
+ publisher={IEEE}
+}
+
+@ARTICLE{ChinhVu,
+author = {Chinh Vu and Shan Gao and Wiwek Deshmukh and Yingshu Li},
+title = {Distributed Energy-Efficient Scheduling Approach for K-Coverage in Wireless Sensor Networks},
+journal ={MILCOM},
+volume = {0},
+isbn = {1-4244-0617-X},
+year = {2006},
+pages = {1-7},
+doi = {http://doi.ieeecomputersociety.org/10.1109/MILCOM.2006.302146},
+publisher = {IEEE Computer Society},
+address = {Los Alamitos, CA, USA},
+}
+
+
+@ARTICLE{ghosh2008coverage,
+ title={Coverage and connectivity issues in wireless sensor networks: A survey},
+ author={Ghosh, Amitabha and Das, Sajal K},
+ journal={Pervasive and Mobile Computing},
+ volume={4},
+ number={3},
+ pages={303--334},
+ year={2008},
+ publisher={Elsevier}
+}
+
+@ARTICLE{wang2011coverage,
+ title={Coverage problems in sensor networks: A survey},
+ author={Wang, Bang},
+ journal={ACM Computing Surveys (CSUR)},
+ volume={43},
+ number={4},
+ pages={32},
+ year={2011},
+ publisher={ACM}
+}
+
+@ARTICLE{yang2014novel,
+author={Changlin Yang and Kwan-Wu Chin},
+journal={Communications Letters, IEEE},
+title={Novel Algorithms for Complete Targets Coverage in Energy Harvesting Wireless Sensor Networks},
+year={2014},
+month={January},
+volume={18},
+number={1},
+pages={118-121},
+keywords={energy harvesting;linear programming;secondary cells;telecommunication power supplies;wireless sensor networks;MUA;WSN;activation schedule;complete targets coverage;energy conservation;energy harvesting wireless sensor networks;linear programming based solution;maximum utility algorithm;network lifetime maximization problem;recharging opportunities;sensor nodes;sleep state;time interval;wake-up schedule;Batteries;Energy harvesting;Erbium;Monitoring;Schedules;Sensors;Wireless sensor networks;Wireless sensor network;energy harvesting;targets coverage},
+doi={10.1109/LCOMM.2013.111513.132436},
+ISSN={1089-7798},}
+
+@ARTICLE{HeShibo,
+author={He, Shibo and Gong, Xiaowen and Zhang, Junshan and Chen, Jiming and Sun, Youxian},
+journal={Wireless Communications, IEEE Transactions on},
+title={Curve-Based Deployment for Barrier Coverage in Wireless Sensor Networks},
+year={2014},
+month={February},
+volume={13},
+number={2},
+pages={724-735},
+keywords={Algorithm design and analysis;Approximation algorithms;Approximation methods;Educational institutions;Sensors;Wireless communication;Wireless sensor networks;Barrier coverage;curved-based deployment;deployment algorithms;optimal deployment curve},
+doi={10.1109/TWC.2013.121813.130198},
+ISSN={1536-1276},
+}
+
+
+@inproceedings{Zorbas2007,
+ author = {D. Zorbas and D. Glynos and P. Kotzanikolaou and C. Douligeris},
+ title = {B\{GOP\}: an adaptive coverage algorithm for wireless sensor networks},
+ booktitle = {Proceedings of the 13th European Wireless Conference},
+ series = {EW'07},
+ year = {2007},
+ location = {Paris, France},
+
+}
+
+@ARTICLE{zorbas2010solving,
+ title={Solving coverage problems in wireless sensor networks using cover sets},
+ author={Zorbas, Dimitrios and Glynos, Dimitris and Kotzanikolaou, Panayiotis and Douligeris, Christos},
+ journal={Ad Hoc Networks},
+ volume={8},
+ number={4},
+ pages={400-415},
+ year={2010},
+ publisher={Elsevier},
+}
+
+@INPROCEEDINGS{Slijepcevic01powerefficient,
+ author = {S. Slijepcevic and M. Potkonjak},
+ title = {Power Efficient Organization of Wireless Sensor Networks},
+ booktitle = {IEEE International conference on Communications},
+ year = {2001},
+ pages = {472-476}
+}
+
+@ARTICLE{cardei2006energy,
+ title={Energy-efficient coverage problems in wireless ad-hoc sensor networks},
+ author={Cardei, Mihaela and Wu, Jie},
+ journal={Computer communications},
+ volume={29},
+ number={4},
+ pages={413-420},
+ year={2006},
+ publisher={Elsevier}
+}
+
+@inproceedings{cardei2005energy,
+ title={Energy-efficient target coverage in wireless sensor networks},
+ author={Cardei, Mihaela and Thai, My T and Li, Yingshu and Wu, Weili},
+ booktitle={INFOCOM 2005. 24th Annual Joint Conference of the IEEE Computer and Communications Societies. Proceedings IEEE},
+ volume={3},
+ pages={1976-1984},
+ year={2005},
+ organization={IEEE}
+}
+
+@ARTICLE{cardei2005improving,
+ title={Improving wireless sensor network lifetime through power aware organization},
+ author={Cardei, Mihaela and Du, Ding-Zhu},
+ journal={Wireless Networks},
+ volume={11},
+ number={3},
+ pages={333-340},
+ year={2005},
+ publisher={Springer-Verlag New York, Inc.}
+}
+
+@inproceedings{abrams2004set,
+ title={Set k-cover algorithms for energy efficient monitoring in wireless sensor networks},
+ author={Abrams, Zo{\"e} and Goel, Ashish and Plotkin, Serge},
+ booktitle={Proceedings of the 3rd international symposium on Information processing in sensor networks},
+ pages={424-432},
+ year={2004},
+ organization={ACM}
+}
+
+@ARTICLE{pujari2011high,
+ title={High-Energy-First (HEF) Heuristic for Energy-Efficient Target Coverage Problem.},
+ author={Pujari, Arun K},
+ journal={International Journal of Ad Hoc, Sensor \& Ubiquitous Computing},
+ volume={2},
+ number={1},
+ year={2011}
+}
+
+@INPROCEEDINGS{berman04,
+ author = {P. Berman and G. Calinescu},
+ title = {Power Efficient Monitoring Management in Sensor Networks},
+ booktitle = {Proceedings of IEEE Wireless Communication and Networking Conference (WCNC'04)},
+ year = {2004},
+ pages = {2329--2334}
+}
+
+@inproceedings{Gallais06,
+ author = {Gallais, Antoine and Carle, Jean and Simplot-Ryl, David and Stojmenovic, Ivan},
+ title = {Localized Sensor Area Coverage with Low Communication Overhead},
+ booktitle = {Proceedings of the Fourth Annual IEEE International Conference on Pervasive Computing and Communications},
+ year = {2006},
+ pages = {328-337},
+
+}
+
+@inproceedings{Tian02,
+ author = {Tian, Di and Georganas, Nicolas D.},
+ title = {A coverage-preserving node scheduling scheme for large wireless sensor networks},
+ booktitle = {Proceedings of the 1st ACM international workshop on Wireless sensor networks and applications},
+ series = {WSNA '02},
+ year = {2002},
+ pages = {32-41},
+ publisher = {ACM},
+}
+
+@inproceedings{Ye03,
+ author = {Ye, Fan and Zhong, Gary and Cheng, Jesse and Lu, Songwu and Zhang, Lixia},
+ title = {PEAS: A Robust Energy Conserving Protocol for Long-lived Sensor Networks},
+ booktitle = {Proceedings of the 23rd International Conference on Distributed Computing Systems},
+ series = {ICDCS'03},
+ year = {2003},
+ pages = {28-37},
+}
+
+
+@INPROCEEDINGS{Berman05efficientenergy,
+ author = {P. Berman and G. Calinescu and C. Shah and A. Zelikovsky},
+ title = {Efficient energy management in sensor networks},
+ booktitle = {Ad Hoc and Sensor Networks. Nova Science Publishers},
+ year = {2005},
+ publisher = {Nova Science Publisher}
+}
+
+@inproceedings{lu2003coverage,
+ title={Coverage-aware self-scheduling in sensor networks},
+ author={Lu, Jun and Suda, Tatsuya},
+ booktitle={Computer Communications, 2003. CCW 2003. Proceedings. 2003 IEEE 18th Annual Workshop on},
+ pages={117--123},
+ year={2003},
+ organization={IEEE}
+}
+
+@incollection{prasad2007distributed,
+ title={Distributed algorithms for lifetime of wireless sensor networks based on dependencies among cover sets},
+ author={Prasad, Sushil K and Dhawan, Akshaye},
+ booktitle={High Performance Computing--HiPC 2007},
+ pages={381-392},
+ year={2007},
+ publisher={Springer}
+}
+
+@inproceedings{cardei2005maximum,
+ title={Maximum network lifetime in wireless sensor networks with adjustable sensing ranges},
+ author={Cardei, Mihaela and Wu, Jie and Lu, Mingming and Pervaiz, Mohammad O},
+ booktitle={Wireless And Mobile Computing, Networking And Communications, 2005.(WiMob'2005), IEEE International Conference on},
+ volume={3},
+ pages={438--445},
+ year={2005},
+ organization={IEEE}
+}
+
+@inproceedings{garg98,
+ author = {Garg, Naveen and Koenemann, Jochen},
+ title = {Faster and Simpler Algorithms for Multicommodity Flow and other Fractional Packing Problems.},
+ booktitle = {Proceedings of the 39th Annual Symposium on Foundations of Computer Science},
+ series = {FOCS '98},
+ year = {1998},
+ pages = {300-309},
+}
+
+@article{wang2010clique,
+ title={A clique base node scheduling method for wireless sensor networks},
+ author={Wang, Lei and Wei, Ruizhong and Lin, Yaping and Wang, Bo},
+ journal={Journal of Network and Computer Applications},
+ volume={33},
+ number={4},
+ pages={383--396},
+ year={2010},
+ publisher={Elsevier}
+}
+
+@article{yardibi2010distributed,
+ title={A distributed activity scheduling algorithm for wireless sensor networks with partial coverage},
+ author={Yardibi, Tarik and Karasan, Ezhan},
+ journal={Wireless Networks},
+ volume={16},
+ number={1},
+ pages={213--225},
+ year={2010},
+ publisher={Springer}
+}
+
+@article{conti2014mobile,
+ title={Mobile ad hoc networking: milestones, challenges, and new research directions},
+ author={Conti, Marco and Giordano, Silvia},
+ journal={Communications Magazine, IEEE},
+ volume={52},
+ number={1},
+ pages={85--96},
+ year={2014},
+ publisher={IEEE}
+}
+
+@inproceedings{idrees2014coverage,
+ title={Coverage and Lifetime Optimization in Heterogeneous Energy Wireless Sensor Networks},
+ author={Idrees, Ali Kadhum and Deschinkel, Karine and Salomon, Michel and Couturier, Rapha{\"e}l},
+ booktitle={ICN 2014, The Thirteenth International Conference on Networks},
+ pages={49--54},
+ year={2014}
+}
+
+@inproceedings{xu2001geography,
+ title={Geography-informed energy conservation for ad hoc routing},
+ author={Xu, Ya and Heidemann, John and Estrin, Deborah},
+ booktitle={Proceedings of the 7th annual international conference on Mobile computing and networking},
+ pages={70--84},
+ year={2001},
+ organization={ACM}
+}
+
+@article{yang2014maximum,
+ title={A Maximum Lifetime Coverage Algorithm Based on Linear Programming},
+ author={Yang, Mengmeng and Liu, Jie},
+ journal={Journal of Information Hiding and Multimedia Signal Processing },
+ volume={5},
+ number={2},
+ pages={296--301},
+ year={2014}
+}
+
+@article{cheng2014energy,
+ title={Energy-Efficient Node Selection Algorithms with Correlation Optimization in Wireless Sensor Networks},
+ author={Cheng, Hongju and Su, Zhihuang and Zhang, Daqiang and Lloret, Jaime and Yu, Zhiyong},
+ journal={International Journal of Distributed Sensor Networks},
+ volume={2014},
+ year={2014},
+ publisher={Hindawi Publishing Corporation}
+}
+
+@article{castano2013column,
+ title={A column generation approach to extend lifetime in wireless sensor networks with coverage and connectivity constraints},
+ author={Casta{\~n}o, Fabian and Rossi, Andr{\'e} and Sevaux, Marc and Velasco, Nubia},
+ journal={Computers \& Operations Research},
+ year={2013},
+ publisher={Elsevier}
+}
+
+@article{rossi2012exact,
+ title={An exact approach for maximizing the lifetime of sensor networks with adjustable sensing ranges},
+ author={Rossi, Andr{\'e} and Singh, Alok and Sevaux, Marc},
+ journal={Computers \& Operations Research},
+ volume={39},
+ number={12},
+ pages={3166--3176},
+ year={2012},
+ publisher={Elsevier}
+}
+
+@article{deschinkel2012column,
+ title={A Column Generation based Heuristic to Extend Lifetime in Wireless Sensor Network.},
+ author={Deschinkel, Karine},
+ journal={Sensors \& Transducers Journal},
+ volume={14-2},
+ pages={242--253},
+ year={2012}
+}
+
+
