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Blind frequency offset estimation for overlap PCC-OFDM systems

Summary: Paper
Blind frequency offset
estimation for overlap PCC-OFDM systems
in presence of phase noise
Jinwen Shentu and Jean Armstrong
Abstract -- This paper presents a technique for frequency
offset estimation for polynomial cancellation coded orthogo-
nal frequency division multiplexing with symbols overlapped
in the time domain (overlap PCC-OFDM) in the presence of
phase noise. The frequency offset estimator is designed based
on the subcarrier pair imbalance (SPI) caused by frequency
offset. The estimation is performed in the frequency domain
at the output of the receiver discrete Fourier transform (DFT).
No training symbols or pilot tones are required. Simulations
show that this estimator is an approximately linear function
of frequency offset. Phase noise does not significantly affect
the variance performance of the estimator.
Keywords -- OFDM, frequency offset, estimation, phase noise,
overlap PCC-OFDM.
1. Introduction


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


Collections: Engineering