Title :
Phase detection involving parity-check equations and suited to transmissions at low signal to noise ratio
Author :
Dervin, M. Athieu ; Boucheret, M.L. ; Mesnager, G. ; Ducasse, A.
Author_Institution :
ENST-TeSA, Toulouse, France
Abstract :
We introduce in this paper a carrier phase detector suited to transmissions at very low signal to noise ratio. Based on the soft decoding of parity check equations, the synchronization scheme proposed here for a QPSK modulation outperforms a classical decision directed algorithm over a Gaussian channel, and is notably well adapted to satellite applications.
Keywords :
Gaussian channels; decoding; parity check codes; phase detectors; quadrature phase shift keying; satellite communication; signal detection; synchronisation; Gaussian channel; QPSK modulation; carrier phase detector; parity check equation; quadrature phase shift keying; satellite application; soft decoding; synchronization scheme; Decoding; Detectors; Digital video broadcasting; Equations; Frequency synchronization; Gaussian channels; Parity check codes; Phase detection; Quadrature phase shift keying; Signal to noise ratio;
Conference_Titel :
Communications, 2005. ICC 2005. 2005 IEEE International Conference on
Print_ISBN :
0-7803-8938-7
DOI :
10.1109/ICC.2005.1494704
