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On the Calculation of OFDM Error Performance with Phase Noise in AWGN and Fading Channels
 

Summary: On the Calculation of OFDM Error Performance
with Phase Noise in AWGN and Fading Channels
Himal A. Suraweera, Xiaolin Zhou and Jean Armstrong
Department of Electrical and Computer Systems Engineering
Monash University
Melbourne Victoria 3800, Australia
E-mail: {himal.suraweera, xiaolin.zhou, jean.armstrong}@eng.monash.edu.au
Abstract- Oscillator phase noise (PN) in orthogonal frequency
division multiplexing (OFDM) systems can cause severe per-
formance degradation. In contrary to the assumptions made
previously, recent work has discovered that the intercarrier
interference (ICI) distribution due to a wide range of PN
strengths in fact deviates from Gaussian characteristics. Hence
we have compared the accuracy of a theoretical Gaussian symbol
error rate (SER) analysis to that of the simulated SER in additive
white Gaussian noise (AWGN), frequency flat and frequency
selective Rayleigh fading channels. In multipath channels the
SER is evaluated jointly considering the fading effects on the
OFDM signal and ICI. Our results indicate that modeling ICI
due to PN as Gaussian in the AWGN channel can lead to

  

Source: Armstrong, Jean - Department of Electrical and Computer Systems Engineering, Monash University

 

Collections: Engineering