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Submitted to Australian Communications Theory Workshop (AustCTW2004) 1 M-QAM OFDM and PCC-OFDM Performance in
 

Summary: Submitted to Australian Communications Theory Workshop (AustCTW2004) 1
M-QAM OFDM and PCC-OFDM Performance in
the Presence of Phase Noise
Himal A. Suraweera and Jean Armstrong
Abstract-- In this paper we address the issue of OFDM and
PCC-OFDM systems impaired by phase noise (PN). PCC-OFDM
is a variation of OFDM in which data is mapped onto adjacent
subcarrier pairs. As a result intercarrier interference (ICI) in ad-
jacent subcarriers is cancelled. Phase noise in OFDM causes both
ICI and common phase error (CPE). PCC-OFDM reduces the ICI
component, but the CPE is unchanged. Theoretical and simula-
tions results for bit error rate (BER) are presented for M-QAM
OFDM and PCC-OFDM systems over Rayleigh fading channels.
The performance with and without CPE correction at the receiver
is considered. It is shown that PCC-OFDM has a lower BER in
all cases. The theoretical results agree closely with the computer
simulations.
Index Terms-- Orthogonal frequency division multiplexing,
phase noise, Intercarrier interference, Rayleigh fading.
I. INTRODUCTION

  

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

 

Collections: Engineering