Analysis on Optimal Configurations of Two-Hop Relay Network

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Executive Summary

Fixed relay as a candidate solution in the cellular system attracts more and more attention due to its improvements of coverage and capacity. In this paper, the authors make their study on the optimal configurations of two-hop relay downlink system. Based on former works, two typical resource allocation schemes of the two hops are considered on the assumption of TDD system - one is in time domain and the other is in frequency domain. Based on the improved evaluation model, they describe that it is critical to improve the capacity of the BS to RS link to achieve higher system throughput.

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