BER estimation of QPSK homodyne detection with carrier phase estimation using digital signal processing | Zendy

Gilad Goldfarb | Zendy; Guifang Li | Zendy

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BER estimation of QPSK homodyne detection with carrier phase estimation using digital signal processing

Author(s) -

Gilad Goldfarb,

Guifang Li

Publication year - 2006

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.14.008043

Subject(s) - phase shift keying , monte carlo method , bit error rate , direct conversion receiver , homodyne detection , signal processing , computer science , signal (programming language) , electronic engineering , optics , carrier recovery , algorithm , digital signal processing , physics , telecommunications , statistics , carrier signal , mathematics , engineering , transmission (telecommunications) , decoding methods , programming language

An approximate analytical expression for the bit error rate of a QPSK homodyne receiver employing digital signal processing for carrier recovery is derived. BER estimated using the analytical expression is in excellent agreement with Monte-Carlo simulations. The analytical approximation leads to an intuitive understanding of the trade off in such systems and allows optimization of system parameters without resorting to Monte-Carlo simulations.

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