Physical layer network coding for FSK systems

In this work we extend the existing concept of De- Noise and Forward (DNF) for bidirectional relaying to utilise non-coherent modulation schemes. This is done in order to avoid the requirement of phase tracking in coherent detection. As an example BFSK is considered, and through analysis the decisio...

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Veröffentlicht in:	IEEE communications letters 2009-08, Vol.13 (8), p.597-599
Hauptverfasser:	Sorensen, J.H., Krigslund, R., Popovski, P., Akino, T., Larsen, T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Binary phase shift keying Coding Coding, codes Coherence Decision analysis Decoding Detection, estimation, filtering, equalization, prediction Exact sciences and technology Frequency shift keying Frequency synchronization Gaussian noise Information, signal and communications theory Modulation Modulation, demodulation Network coding Networks Noise Phase detection Physical layer Physical layer network coding frequency shift keying non-coherent modulation Relaying Relays Signal and communications theory Signal, noise Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Throughput Tracking Transmission and modulation (techniques and equipments)
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Beschreibung
Zusammenfassung:	In this work we extend the existing concept of De- Noise and Forward (DNF) for bidirectional relaying to utilise non-coherent modulation schemes. This is done in order to avoid the requirement of phase tracking in coherent detection. As an example BFSK is considered, and through analysis the decision regions for the denoise operation in DNF are identified. The throughput performance of BFSK in DNF is compared to BPSK.
ISSN:	1089-7798 1558-2558
DOI:	10.1109/LCOMM.2009.090981