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An ICI Reduction Scheme for OFDM Systems with Phase Noise over Fading Channels

Florent Munier (Institutionen för signaler och system, Kommunikationssystem) ; Thomas Eriksson (Institutionen för signaler och system, Kommunikationssystem) ; Arne Svensson (Institutionen för signaler och system, Kommunikationssystem)
IEEE Transactions on Communications (0090-6778). Vol. 56 (2008), 7, p. 1119-1126.
[Artikel, refereegranskad vetenskaplig]

Orthogonal Frequency Division Multiplexing has become a key element of todays wireless communication systems. However, its sensitivity to oscillator phase noise is responsible for common phase error (CPE) and inter-carrier interference (ICI) which greatly degrades the overall system performance. In this contribution, we address the problem of reducing the effects of phase noise in an OFDM system operating over a frequency selective fading channel. We propose a method for jointly estimating the channel and CPE in a first step and removing ICI in a second step, using a power series expansion of the phase noise process. The algorithm is simulated on both coded and uncoded systems with phase noise over a fading channel.

Nyckelord: Phase noise, OFDM, fading channels, channel estimation



Denna post skapades 2008-08-11. Senast ändrad 2016-02-01.
CPL Pubid: 72838

 

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