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AMPLITUDE STATISTICS FOR POLYNOMIAL CANCELLATION CODED OFDM SIGNALS
 

Summary: AMPLITUDE STATISTICS FOR POLYNOMIAL CANCELLATION
CODED OFDM SIGNALS
Jean Armstrong, Tariq Salim Gill, Jinwen Shentu
Department of Electronic Engineering, La Trobe University,
Bundoora, Victoria 3083, Australia
Fax: +61 9471 0524
e-mail: j.armstrong@ee.latrobe.edu.au, t.gill@ee.latrobe.edu.au, j.shentu@ee.latrobe.edu.au
ABSTRACT
Polynomial cancellation coding (PCC) is a method of
mapping data onto the subcarriers of OFDM which
results in reduced sensitivity to frequency offset. [1]
[4]. In this paper it is shown that the amplitude
statistics for PCC OFDM are different from ordinary
OFDM and the statistics are not Gaussian. The
results of simulations for OFDM and PCC OFDM are
presented. It is shown that the signal statistics of PCC
OFDM can be substantially improved by using a form
of offset keying in which low index and high index
subcarriers have different symbol periods.
1. INTRODUCTION

  

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

 

Collections: Engineering