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Volume 30 Issue 9
Jan.  2011
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Sun Pei-Gang, Wang Lin, Wang Hong-Ye, Zhao Hai, Zhang Xi-Yuan. Research Implementation on GA Mechanism of Link Layer in WSNs[J]. Journal of Electronics & Information Technology, 2008, 30(9): 2267-2270. doi: 10.3724/SP.J.1146.2007.00256
Citation: Sun Pei-Gang, Wang Lin, Wang Hong-Ye, Zhao Hai, Zhang Xi-Yuan. Research Implementation on GA Mechanism of Link Layer in WSNs[J]. Journal of Electronics & Information Technology, 2008, 30(9): 2267-2270. doi: 10.3724/SP.J.1146.2007.00256

Research Implementation on GA Mechanism of Link Layer in WSNs

doi: 10.3724/SP.J.1146.2007.00256
  • Received Date: 2007-02-09
  • Rev Recd Date: 2008-02-25
  • Publish Date: 2008-09-19
  • Firstly, it is found that the physical communication link of WSNs takes on lost, asymmetric characteristics according to experimental measurements. Secondly, some typical reliable transmission mechanisms of link layer provide a certain degree of reliability, but low path efficiency and high energy costs. Therefore, an efficiency-centric link Group-based Acknowledgement Mechanism(GAM) is presented in the paper, and its performance is analyzed theoretically based on the evaluation metrics, such as path efficiency, buffer requirements, and etc. Finally, the results compared with traditional reliable transmission mechanisms based on the existing MicaZ platform show that the GAM presented in the paper particularly meets the requirements of the high reliability, low real-time applications of WSNs for its high path efficiency and constant cache occupation.
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