On acquisition and tracking methods for SC-FDMA over satellite

Davide Benfatto,Niccolo Privitera,Rosalba Suffritti,A B Awoseyila,B G Evans,Svilen Dimitrov

ASMS/SPSC（2014）

Cited 7|Views20

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Abstract

In this paper we address the main opportunities and challenges related to the use of a single carrier frequency division multiple access (SC-FDMA) waveform over a geostationary (GEO) satellite return link. More in details the impact of the satellite round-trip delay on SC-FDMA synchronisation acquisition is discussed and a possible solution for an efficient log-on procedure is proposed. The effects of satellite uplink channel impairments on SC-FDMA synchronization tracking are also analyzed and a set of timing, frequency and phase offsets estimation algorithms is proposed to be efficiently used in the context of satellite return link. In addition, also a reference architecture for SC-FDMA system focused on synchronization aspects is proposed.

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Key words

frequency division multiple access,phase estimation,satellite communication,synchronisation,tracking,geo satellite return link,sc-fdma synchronisation acquisition,sc-fdma synchronization tracking,acquisition methods,frequency offsets estimation algorithms,geostationary satellite return link,phase offsets estimation algorithms,satellite round-trip delay,satellite uplink channel,single carrier frequency division multiple access,timing offsets estimation algorithms,tracking methods,sc-fdma,acquisition,delay pre-compensation,random access,satellite communications,synchronization

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