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An expression for the pilot-data power allocation is obtained for low SNR regime which can be solved numerically for the general case of arbitrary power delay ...
Abstract: A three node amplify and forward (AF) relay system over a frequency-selective channel employing OFDM modulation is considered and the pilot-data ...
An expression for the pilot-data power allocation is obtained for low SNR regime which can be solved numerically for the general case of arbitrary power delay ...
In this paper, we study the pilot power allocation in the amplify-and-forward (AF) relay system based on orthogonal frequency division multiplexing (OFDM) ...
Mar 1, 2018 · For the OFDM-based Amplify-and-Forward cooperative system, a novel relay-superimposed pilot strategy is proposed, where the source pilot ...
This paper estimates the source-relay channel based on the received pilot signals and the pre-estimated channel of relay-destination link by inserted ...
Abstract—We investigate the performance of orthogonal fre- quency division multiplexing (OFDM)-based dual-hop amplify- and-forward (AF) relay networks in ...
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Sep 11, 2017 · Abstract—In OFDM relay networks with IQ imbalances and full-duplex relay station (RS), how to optimize pilot pattern and power allocation ...
In the new method, the relay pilot sequence is arithmetically added onto the unknown cooperative data stream at relay node, which avoids the loss of data rate ...
Apr 30, 2011 · Abstract—In this paper, we propose an optimal relay power allocation of an Amplify-and-Forward relay networks with non- linear power amplifiers.