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In this paper, we propose and evaluate the joint PAPR reduction with Partial Transmit Sequence (PTS) scheme and predistortion technique at source in cooperative communication systems based Amplify-and-Forward (AF), Decode-and-Forward (DF) protocol over asymmetric channel.
Muhammad Naufal Saniar +3 more
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Adaptive Modulation in Decode-and-Forward (DF) Cooperative Communications
2012 IEEE 75th Vehicular Technology Conference (VTC Spring), 2012In this work, we will focus on which modulation scheme should be supported given the knowledge of SNRs of all links in a simple DF cooperative communication system where only one relay is present. Two rules are proposed, namely the exact rule and the approximate rules. The exact rule is derived based on the exact SER.
Chih-Yung Song +2 more
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Recovering Multiplexing Loss through Concurrent Decode-and-Forward (DF) Relaying
Wireless Personal Communications, 2007In this paper, we develop a novel digital cooperative diversity transmission protocol for a two-source scenario by combining the two sources' two classic decode-and-forward (DF) relaying steps and using 2L + 1 time slots to transmit L codewords from each source.
Chao Wang, Yijia Fan, John S. Thompson
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In this paper, link adaptive one-way decode and forward (DF) relaying with Orthogonal Frequency Division Multiplexing (OFDM) is proposed. The relay, in the proposed system, adapts the power level of each sub-carrier according to power scaling factor which is obtained from source-relay and relay-destination fading parameters.
Mete Yildirim, Hacı İlhan
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Static hybrid amplify and forward (AF) and decode and forward (DF) relaying for cooperative systems
Physical Communication, 2011Abstract In this paper, we propose a static hybrid amplify and forward (AF) and decode and forward (DF) relaying protocol for cooperative systems. In such a scheme, relays close to the source amplify the received signal whereas the remaining relays transmit only if they decode correctly.
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