Adaptive protocols for information dissemination in wireless sensor networks
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
Directed diffusion: a scalable and robust communication paradigm for sensor networks
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
Wireless sensor networks: a survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
Energy-Efficient Communication Protocol for Wireless Microsensor Networks
HICSS '00 Proceedings of the 33rd Hawaii International Conference on System Sciences-Volume 8 - Volume 8
A Self-Stabilizing Directed Diffusion Protocol for Sensor Networks
ICPPW '04 Proceedings of the 2004 International Conference on Parallel Processing Workshops
IEEE Communications Magazine
Minimum energy mobile wireless networks
IEEE Journal on Selected Areas in Communications
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The virtual backbone concept is a method of efficient communication in wireless sensor networks. A recent variant is the energy-aware virtual backbone tree (EVBT) algorithm which applies a tree structure to the backbone. This algorithm can minimize the energy consumed in a data transfer between a sensor node and a tree node, but cannot minimize the energy consumption throughout the routing process. In this paper, we propose a modified-EVBT (m-EVBT) algorithm which consumes less energy than the EVBT algorithm over the entire routing process. While EVBT algorithm uses physical distance to determine the upstream link of a sensor node, the proposed algorithm uses energy consumption information. The experimental results show that the m-EVBT algorithm consumes less energy than the EVBT algorithm. It also efficiently constructs the backbone tree.