Virtual MIMO Protocol Based on Clustering for Wireless Sensor Network

Authors:
Wenqing Chen;Yong Yuan;Changchun Xu;Kezhong Liu
Affiliations:
Huazhong University of Science and Technology;Huazhong University of Science and Technology;Huazhong University of Science and Technology;Huazhong University of Science and Technology
Venue:
ISCC '05 Proceedings of the 10th IEEE Symposium on Computers and Communications
Year:
2005

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Abstract

The wireless nature of the medium combined with energy constraints pose big challenges on the design of energyefficient and reliable protocols for wireless sensor networks (WSN). In this paper, the virtual MIMO scheme is incorporated with the multi-hop networking for energy saving in wireless sensor network (WSN). An energy consumption model is developed to investigate the energy saving performance by incorporating the virtual MIMO scheme with the multi-hop networking. Then, an optimization model is developed to find the optimal number of virtual nodes and the optimal number of hops. Based on the model, a virtual MIMO protocol based on clustering is developed. Simulation results show that the protocol can save energy significantly.