A Simple Expression of BER Performance in DPSK/OFDM Systems with Post-Detection Diversity Reception

Fumihito SASAMORI  Shiro HANDA  Shinjiro OSHITA  

IEICE TRANSACTIONS on Communications   Vol.E92-B   No.5   pp.1897-1900
Publication Date: 2009/05/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E92.B.1897
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
DPSK/OFDM,  post-detection diversity,  Doppler frequency shift,  delay spread,  closed-form equation,  

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In this letter, we propose a simple but accurate calculation method, that is, an approximate closed-form equation of average bit error rate in DPSK/OFDM systems with post-detection diversity reception over both time- and frequency-selective Rayleigh fading channels. The validity of the proposed method is verified by the fact that BER performances given by the derived equation coincide with those by Monte Carlo simulation.