The coherent receiving method can improve the sensitivity of an optical signal receiver for
free space optical communication system effectively. To implement coherent receiving, the …

The performance of coherent free-space optical (CFSO) communication with phase
modulation is limited by both phase fluctuations and intensity scintillations induced by …

In this paper, a symmetric training sequence-based (STSB) carrier frequency offset
estimation (FOE) scheme for coherent free-space optical (CFSO) communication is …

The performance of free space optical coherent communication with phase modulation is
limited by both phase fluctuations and intensity scintillations induced by atmospheric …

The performance of a satellite-to-ground optical communication system with phase
modulation is limited by phase fluctuations induced by atmospheric turbulence. To improve …

In coherent optical communication, the Doppler frequency offset reaches several GHz, which
seriously affects the performance of the coherent demodulation system and increases the bit …

Featured Application In this paper, we put forward an algorithm switching orthogonalization
procedure (ASOP) according to the quality of the in-phase and quadrature signal branches …

In this paper, a algorithm which is used for carrier frequency offset (CFO) estimation is
proposed in coherent optical communications system with binary phase-shift keying (BPSK) …

High dynamic and wide range frequency offset in satellite-to-ground coherent optical
communication system caused by Doppler frequency shift, transceiver laser frequency offset …

We propose a joint estimation scheme for fast, accurate, and robust frequency offset (FO)
estimation along with phase estimation based on modified adaptive Kalman filter (MAKF) …