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Multi-User Scheduling in AF Relay Network with Antenna Correlation

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Executive Summary

This paper presents the performance analysis of multi-user scheduling for Channel State Information (CSI)-assisted and fixed gain AF relaying with antenna correlation. The authors consider a source equipped with multiple correlated antennas communicating with multiple users via a relay which has dual correlated antennas. The system performance degrades with the spatial correlation. Hence they derive the exact closed form solutions to outage probability, average Symbol Error Rate (SER) and generalized higher moment of the Signal-to-Noise Ratio (SNR) to quantify this detrimental effect. The ergodic capacity is also analyzed. To understand the insight system performance behavior and the diversity gain, they present a high SNR analysis. The analytical results are verified with the Monte Carlo simulations at the end.

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