Multicarrier modulations have several advantages, allowing them to be adopted in a large number of communication systems; one of their drawbacks is that they are particularly affected by non-linear distortion, typical of power-constrained systems. Among several multicarrier communication systems, the single-carrier frequency division multiple access (SC-FDMA) is gaining an increasing interest in the satellite area due to its usage in the DVB-NGH, and the research efforts in DVB-TM-RCS2 and DVB-TM-S2. In this paper we consider the application of single-carrier frequency division multiple access (SC-FDMA) to satellite communications, by investigating the effect of different mapping schemes in terms of both in-band distortion and out-of-band spectral regrowth when a non-linear amplifier is present in the transmit equipment. The outcomes of this analysis demonstrate that a mapping based on Minimum Shift Keying (MSK) outperforms the conventional QPSK mapping in terms of resilience to non-linear distortion.

Candreva, E.A., Tarchi, D., Vanelli-Coralli, A., Corazza, G.E. (2014). Robust SC-FDMA subcarrier mapping for non-linear channels. IEEE [10.1109/ASMS-SPSC.2014.6934568].

Robust SC-FDMA subcarrier mapping for non-linear channels

CANDREVA, ENZO ALBERTO;TARCHI, DANIELE;VANELLI CORALLI, ALESSANDRO;CORAZZA, GIOVANNI EMANUELE
2014

Abstract

Multicarrier modulations have several advantages, allowing them to be adopted in a large number of communication systems; one of their drawbacks is that they are particularly affected by non-linear distortion, typical of power-constrained systems. Among several multicarrier communication systems, the single-carrier frequency division multiple access (SC-FDMA) is gaining an increasing interest in the satellite area due to its usage in the DVB-NGH, and the research efforts in DVB-TM-RCS2 and DVB-TM-S2. In this paper we consider the application of single-carrier frequency division multiple access (SC-FDMA) to satellite communications, by investigating the effect of different mapping schemes in terms of both in-band distortion and out-of-band spectral regrowth when a non-linear amplifier is present in the transmit equipment. The outcomes of this analysis demonstrate that a mapping based on Minimum Shift Keying (MSK) outperforms the conventional QPSK mapping in terms of resilience to non-linear distortion.
2014
2014 7th Advanced Satellite Multimedia Systems Conference and the 13th Signal Processing for Space Communications Workshop (ASMS/SPSC)
360
365
Candreva, E.A., Tarchi, D., Vanelli-Coralli, A., Corazza, G.E. (2014). Robust SC-FDMA subcarrier mapping for non-linear channels. IEEE [10.1109/ASMS-SPSC.2014.6934568].
Candreva, Enzo Alberto; Tarchi, Daniele; Vanelli-Coralli, Alessandro; Corazza, Giovanni E.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/514550
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