Investigation on Optimum Radio Link Connection Using Remote Radio Equipment in Heterogeneous Network for LTE-Advanced

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Executive Summary

This paper proposes the optimum Radio Link Connection (RLC) using Remote Radio Equipment (RRE) in a heterogeneous network in which various types of cell configurations exist with different cell sizes and downlink transmission power levels for LTE (Long-Term Evolution)- Advanced. The instantaneous received Signal-to-Interference plus Noise power Ratio (SINR) and the user throughput performance employing the proposed RLC methods are investigated using system-level simulations. From the simulation results, the authors show that the proposed independent RLC method between the downlink and uplink and the proposed multipoint RLC method based on coordinated multipoint transmission/reception achieve a higher user throughput both in the downlink and uplink compared to the conventional common RLC method.

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