Abstract
In this paper, we propose an iterative algorithm for finding near-optimal Energy Efficient Relay Positions(EERP) in Amplify-and-Forward (AF) and Decode-and-Forward (DF) relay-assisted cellular networks. Each iteration of EERP algorithm contains two steps, i.e. energy efficient cell division and energy efficient center searching. Close-form expressions of energy efficient cell division boundaries are provided. And two-dimensional Fast Fourier Transform (FFT) is adopted to reduce the complexity of energy efficient center searching. Simulation results show near-optimal relay positions of different pathloss factors, relay scenarios and relay numbers, and demonstrates the effectiveness of EERP.
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© 2013 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering
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Zhao, M., Ni, S., Zhang, S., Zhou, W. (2013). An Algorithm for Finding Energy Efficient Relay Positions in Cellular Network. In: Qian, H., Kang, K. (eds) Wireless Internet. WICON 2013. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 121. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-41773-3_14
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DOI: https://doi.org/10.1007/978-3-642-41773-3_14
Publisher Name: Springer, Berlin, Heidelberg
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