This paper provides a new iterative solution to the problem of the joint estimation of phase noise and residual carrier frequency offset in an orthogonal frequency division multiplexing transmission over a multipath fading channel, in the presence of known data and channel impulse response. The proposed technique results from the application of the sum- product algorithm to a factor graph representing the joint a posteriori probability density function of the carrier frequency offset and the phase noise vector affecting a given symbol. It is also shown that this estimation algorithm can be exploited in a coherent receiver for both data-aided training and decision-directed tracking. Its performance is assessed by computer simulations and is compared with that provided by other strategies.

A Factor Graph Approach to the Iterative Detection of OFDM Signals in the Presence of Carrier Frequency Offset and Phase Noise / ZUCCARDI MERLI, Filippo; Vitetta, Giorgio Matteo. - STAMPA. - (2007), pp. 2865-2870. ((Intervento presentato al convegno 2007 IEEE International Conference on Communications, ICC'07 tenutosi a Glasgow, Scotland, gbr nel 24-28 JUNE 2007 [10.1109/ICC.2007.476].

A Factor Graph Approach to the Iterative Detection of OFDM Signals in the Presence of Carrier Frequency Offset and Phase Noise

ZUCCARDI MERLI, Filippo;VITETTA, Giorgio Matteo
2007

Abstract

This paper provides a new iterative solution to the problem of the joint estimation of phase noise and residual carrier frequency offset in an orthogonal frequency division multiplexing transmission over a multipath fading channel, in the presence of known data and channel impulse response. The proposed technique results from the application of the sum- product algorithm to a factor graph representing the joint a posteriori probability density function of the carrier frequency offset and the phase noise vector affecting a given symbol. It is also shown that this estimation algorithm can be exploited in a coherent receiver for both data-aided training and decision-directed tracking. Its performance is assessed by computer simulations and is compared with that provided by other strategies.
2007 IEEE International Conference on Communications, ICC'07
Glasgow, Scotland, gbr
24-28 JUNE 2007
2865
2870
ZUCCARDI MERLI, Filippo; Vitetta, Giorgio Matteo
A Factor Graph Approach to the Iterative Detection of OFDM Signals in the Presence of Carrier Frequency Offset and Phase Noise / ZUCCARDI MERLI, Filippo; Vitetta, Giorgio Matteo. - STAMPA. - (2007), pp. 2865-2870. ((Intervento presentato al convegno 2007 IEEE International Conference on Communications, ICC'07 tenutosi a Glasgow, Scotland, gbr nel 24-28 JUNE 2007 [10.1109/ICC.2007.476].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/587917
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