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Approximating the Outage Probability of Parallel Fading Channels

Abstract : We develop an approximation for the outage probability of a parallel channel where the subchannel statistics satisfy mild conditions. The main result is in the form of a functional of the density function that describes the statistics of the subchannel powers. The error of the approximation is quantified to be O(y-n(q+1)-2), where y is the end-to-end SNR of a given subchannel, n is the number of subchannels, and q represents the inherent subchannel diversity. We illustrate the versatility and accuracy of the approximation by studying different statistical subchannel models, which reflect practical wireless communication systems, including line-of-sight links (Rician fading), transmissions affected by interference, and relay systems subject to amplifier distortion.
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Submitted on : Friday, February 5, 2016 - 8:53:09 AM
Last modification on : Friday, April 30, 2021 - 10:01:18 AM

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J.-P. Coon, David E. Simmons, Marco Di Renzo. Approximating the Outage Probability of Parallel Fading Channels. IEEE Communications Letters, Institute of Electrical and Electronics Engineers, 2015, 19 (12), pp.2190-2193. ⟨10.1109/lcomm.2015.2496591⟩. ⟨hal-01269548⟩

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