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Volume 32 Issue 3
Aug.  2010
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Wang Shao-qing, Nie Jing-nan. Research on Incremental Cooperation Transmission and Its Energy Efficiency in Wireless Sensor Networks[J]. Journal of Electronics & Information Technology, 2010, 32(3): 759-762. doi: 10.3724/SP.J.1146.2009.01096
Citation: Wang Shao-qing, Nie Jing-nan. Research on Incremental Cooperation Transmission and Its Energy Efficiency in Wireless Sensor Networks[J]. Journal of Electronics & Information Technology, 2010, 32(3): 759-762. doi: 10.3724/SP.J.1146.2009.01096

Research on Incremental Cooperation Transmission and Its Energy Efficiency in Wireless Sensor Networks

doi: 10.3724/SP.J.1146.2009.01096
  • Received Date: 2009-08-17
  • Rev Recd Date: 2009-12-01
  • Publish Date: 2010-03-19
  • The scheme of incremental cooperation transmission and its energy efficiency in wireless sensor networks are studied in this paper. Two important issues including when to cooperate and performance of cooperation are also solved. The expressions of energy efficiency of direct and cooperative transmission are deduced respectively and then the effects of key parameters on the performance of cooperative transmission are discussed. Simulation results demonstrate that the incremental cooperation transmission provides better energy efficiency than direct transmission when the communication distance is bigger than the threshold of the distance. Energy efficiency can be enhanced by optimizing the position of the relay node selected or the modulation level.
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