A. A. Somasundara, A. Ramamoorthy and M. B. Srivastava, “Mobile Element Scheduling for Efficient Data Collection in Wireless Sensor Networks with Dy-namic Deadlines,” 25th IEEE International Real-Time Systems Symposium (RTSS), Lisbon, 5-8 December 2004, pp. 296-305. doi:10.1109/REAL.2004.31
 M. Shakya, J. Zhang, P. Zhang and M. Lampe, “Design and Optimization of Wireless Sensor Network with Mobile Gateway,” 21st International Conference on Advanced Information Networking and Applications Workshops (AINA’07), Niagara Falls, 21-23 May 2007, pp. 415-420.
 J. Luo, J. Panchard, M. Piorkowski, M. Grossglauser and J.-P. Hubaux, “Mobi-Route: Routing towards a Mobile Sink for Improving Lifetime in Sensor Networks,” 2nd IEEE/ACM International Conference on Distributed Computing in Sensor, San Francisco, 18-20 June 2006.
 Y. Bi, L. Sun, J. Ma, N. Li, I. A. Khan and C. Chen, “HUMS: An Autonomous Moving Strategy for Mobile Sinks in Data-Gathering Sensor Networks,” EURASIP Journal on Wireless Communications and Networking, 2007, Article ID: 164574.
 Z. Alliance, “Zigbee Specification v1.0,” June 2008. http://www.zigbee.org
 OPNET Modeler Inc., November 2008. http://www.opnet.com/solutions/network_rd/modeler.html
 N. Vlajic and D. Stevanovic, “Sink Mobility in Wireless Sensor Networks: A (Mis)Match between Theory and Practice,” Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing, Leipzig, 12-14 October 2009.