Coherent Optical Orthogonal Frequency-Division Multiplexing (CO-OFDM) is widely used in
optical communication systems, these systems suffer from many problems, including the …

Abstract Recently, Coherent Optical Orthogonal Frequency Division Multiplexing (CO-
OFDM) has been seen as a potential candidate for long haul optical transmission. It is due to …

ABSTRACT In this paper, Polarization Division Multiplexing Coherent Optical Orthogonal
Frequency-division Multiplexing (PDM CO-OFDM) system is designed with two modulation …

The direct current (DC) biased optical orthogonal frequency division multiplexing (DCO-
OFDM) technique has been widely used in visible light communication (VLC) systems due to …

In this paper, a new approach for reducing peak-to-average power ratio (PAPR) based on
modulated half subcarriers in all-optical OFDM systems with rotated QAM constellation is …

Instability of the local oscillator causes phase noise–a phenomenon that is a disadvantage
and is considered to be a major obstacle in the functioning of coherent optical orthogonal …

Recently, Coherent Optical Orthogonal Frequency Division Multiplexing (CO-OFDM) has
been seen as a potential candidate for long haul optical transmission. It is due to OFDM …

Without optical dispersion compensation, the performances of different modulation schemes
are analyzed and comparison of their transmission distance, transmission capacity, band …

One of the essential aspects of life is communication and in all communication systems,
modulation and demodulation perform a crucial role in the transmission of transmitter-to …

ABSTRACT Optical Orthogonal Frequency Division Multiplexing is a bandwidth efficient
multicarrier modulation where the available spectrum is divided into subcarriers, with each …