1. Zhao, F., Guibas, L.: Wireless Sensor Networks: An Information Processing Approach. Morgan Kaufmann (2004)
2. Ekici, E., Gu, Y., Bozdag, D.: Mobility-Based Communication in Wireless Sensor Networks. IEEE Comm. Magazine 44(7), 56–62 (2006)
3. Shah, R.C., Roy, S., Jain, S., Brunette, W.: Data MULEs: Modeling a Three-Tier Architecture for Sparse Sensor Networks. In: 2003 IEEE Workshop Sensor Network Protocols and Applications, SNPA 2003 (May 2003)
4. Chakrabarti, A., Sabharwal, A., Aazhang, B.: Using Predictable Observer Mobility for Power Efficient Design of Sensor Networks. In: Proc. 2nd International Workshop on Information Processing in Sensor Networks (2003)
5. Somasundara, A., Ramamoorthy, A., Srivastava, M.: Mobile Element Scheduling for Efficient Data Collection in Wireless Sensor Networks with Dynamic Deadlines. In: Proc. 25th IEEE International Real-Time System Symposium (2004)