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Performance of Cooperative and Single Relay Sensor Networks Under Same Energy Constraints

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2 Author(s)
Lichuan Liu ; Dept. of Electr. & Comput. Eng., New Jersey Inst. of Technol., Newark, NJ ; Zhigang Wang

This work studies the impact of the network resource constraints on the performance of wireless multi-hop relay sensor networks. The cooperative relay method based on the differential space-time block code (DSTBC) in sensor network is introduced. The energy consumption is also investigated for different kinds of relay method. Based on the same total energy consumption requirement, we analyze the system performance using M/G/1 queueing system. The performance evaluation show that the cooperative relay scheme can significantly increase the system performance in terms of throughput and end-to-end delay in high SNR environment

Published in:

Sensor and Ad Hoc Communications and Networks, 2006. SECON '06. 2006 3rd Annual IEEE Communications Society on  (Volume:3 )

Date of Conference:

28-28 Sept. 2006