Cooperative transmit diversity based on superposition modulation

We propose a new strategy for cooperative transmit diversity based on superposition modulation and multiuser detection. The new scheme can outperform "classical" cooperative diversity based on decode-and-forward by about 1.5-2 dB in the SNR range of interest and at the same computational c...

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Veröffentlicht in:	IEEE communications letters 2005-09, Vol.9 (9), p.778-780
Hauptverfasser:	Larsson, E.G., Vojcic, B.R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Bandwidth Broadcasting Coding, codes Complexity Computation Computational complexity cooperative diversity Cooperative systems Decoding Detection, estimation, filtering, equalization, prediction Exact sciences and technology Information technology Information, signal and communications theory Informationsteknik Modulation Modulation, demodulation Multiuser detection Noise levels Relays Signal and communications theory Signal, noise Strategy superposition coding TECHNOLOGY TEKNIKVETENSKAP Telecommunication Telecommunications and information theory Telekommunikation
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Beschreibung
Zusammenfassung:	We propose a new strategy for cooperative transmit diversity based on superposition modulation and multiuser detection. The new scheme can outperform "classical" cooperative diversity based on decode-and-forward by about 1.5-2 dB in the SNR range of interest and at the same computational complexity.
ISSN:	1089-7798 1558-2558 1558-2558
DOI:	10.1109/LCOMM.2005.1506700