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Tighter bounds of multihop relayed communications in Nakagami-m fading |
Lianhai WU( ), Jiaru LIN, Kai NIU, Zhiqiang HE |
| Key Laboratory of Universal Wireless Communications of Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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Abstract Closed-form bounds for the end-to-end perform-ance of multihop communications with non-regenerative relays over Nakagami-m fading channels are investigated. Upper and lower bounds of the end-to-end signal-to-noise ratio (SNR) are first developed by using the monotonicity. Then, the probability density functions (PDFs), the cumulative? distribution? functions, ?and? the? moment-generating functions (MGFs) of the bounds are derived. Using these results, the bounds for the outage and average bit error probability (ABEP) are obtained. Numerical and simulation results are executed to validate the tightness of the proposed bounds.
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| Keywords
average bit error probability (ABEP)
multihop relayed communications
Nakagami-m fading
outage probability
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Corresponding Author(s):
WU Lianhai,Email:wulh_2008@126.com
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Issue Date: 05 December 2010
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