Performance of peak-to-average power ratio reduction in single- and multi-antenna OFDM via directed selected mapping

Selected mapping (SLM) is a popular scheme for peak power reduction in orthogonal frequency-division multiplexing (OFDM) systems. In this letter, the performance of various versions of SLM, among them ordinary and directed SLM, in single- and multi-antenna point-to-point OFDM systems is assessed. An...

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Veröffentlicht in:	IEEE transactions on communications 2009-11, Vol.57 (11), p.3205-3208
Hauptverfasser:	Fischer, Robert F.H., Siegl, Christian
Format:	Artikel
Sprache:	eng
Schlagworte:	Antennas Applied sciences Diversity methods Error analysis Exact sciences and technology Exact solutions Frequency division multiplexing Gain Information, signal and communications theory Mapping Mathematical analysis MIMO multi-antenna system Multiplexing OFDM Orthogonal Frequency Division Multiplexing Peak to average power ratio Performance gain Radiocommunications Reduction selected mapping Signal and communications theory Signal mapping Signal representations Telecommunications Telecommunications and information theory Time domain analysis
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Beschreibung
Zusammenfassung:	Selected mapping (SLM) is a popular scheme for peak power reduction in orthogonal frequency-division multiplexing (OFDM) systems. In this letter, the performance of various versions of SLM, among them ordinary and directed SLM, in single- and multi-antenna point-to-point OFDM systems is assessed. Analytic expressions for the distribution of the PAR are derived. Numerical results cover that significant gains over conventional SLM can be achieved by directed SLM.
ISSN:	0090-6778 1558-0857
DOI:	10.1109/TCOMM.2009.11.070354