The Impact of Hard-Decision Detection on the Energy Efficiency of Phase and Frequency Modulation

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Executive Summary

The central design challenge in next generation wireless systems is to have these systems operate at high bandwidths and provide high data rates while being cognizant of the energy consumption levels especially in mobile applications. Since communicating at very high data rates prohibits obtaining high bit resolutions from the Analog-to-Digital (A/D) converters, analysis of the energy efficiency under the assumption of hard-decision detection is called for to accurately predict the performance levels. In this paper, transmission over the Additive White Gaussian Noise (AWGN) channel, and coherent and non-coherent fading channels is considered, and the impact of hard-decision detection on the energy efficiency of phase and frequency modulations is investigated.

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