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BER-based power allocation for Amplify-and-Forward and Decode-and-Forward relaying systems

BER-based power allocation for Amplify-and-Forward and Decode-and-Forward relaying systems,10.1109/WSA.2011.5741925,Meng Wu,Dirk Wubben,Armin Dekorsy

BER-based power allocation for Amplify-and-Forward and Decode-and-Forward relaying systems   (Citations: 1)
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In this paper, power allocation schemes are proposed for the total transmit power of the source and the relay in a triplet relaying system based on Bit Error Rate (BER) analysis. Considering Amplify-and-Forward (AF), Decode-and-Forward (DF) for relaying systems and direct transmission (DT) without relay, we perform a fair comparison with respect to their power consumption in order to achieve the same target BER at the destination. For coded systems, the relationship between the input and the output BERs of the decoder for specific channel codes is modeled by polynomials to facilitate the BER analysis. Additionally, the Feasible Relay Region (FRR) is investigated, which determines geographically when AF or DF outperforms DT. I. INTRODUCTION
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