PAPR assisted FFT-based frequency offset estimation for 32-QAM coherent optical systems
Sign Up to like & getrecommendations! Published in 2020 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2019.102126
Abstract: Abstract This paper presents a peak to average power ratio (PAPR) assisted non-data aided feedforward fast Fourier transform (FFT)-based frequency offset (FO) estimation algorithm for 32-ary quadrature amplitude modulation (32-QAM) coherent optical systems. In our… read more here.
Keywords: offset estimation; estimation; fft based; papr assisted ... See more keywords
Robust Frequency-Domain Timing Offset Estimation for DCO-OFDM Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3169909
Abstract: Optical wireless communication (OWC) systems suffer inter-symbol interference (ISI) in time domain due to light emitting diode (LED)’s limited bandwidth at transmitter. As intensity modulation and direct detection (IM/DD) is used, the transmitted signals are… read more here.
Keywords: frequency domain; frequency; timing offset; domain ... See more keywords