The emerging technology of mixed radio frequency (RF)/free space optical (FSO)
communications offers a great deal of merits in seamless channels and has potential for use …

In this paper, we have proposed an adaptive pulse position modulation—Gaussian
minimum shift keying—subcarrier intensity modulation (PPM-GMSK-SIM) system over Ғ …

A model for the received irradiance statistical distribution for turbulence induced fading
channels is derived. The derivation is based on expanding the extended Rytov method by …

To enhance the error performance of satellite downlink optical wireless communication
system, a hybrid modulation scheme called PPM-FSK-SIM is proposed in this study. It is …

Deep-space free-space optical (FSO) communication utilized the light wave as carriers for
information transfer which has the major benefit of small size, lightweight, and low …

A model for the irradiance probability density function for turbulence induced fading in free
space optical communications is derived. The derivations are based on expanding on the …

The derivation of the probability density of irradiance for the received electromagnetic wave
propagating through random inhomogeneities has applications in many diverse fields, such …

In this paper, we propose a mixed radio frequency (RF)/free space optical (FSO) unmanned
aerial vehicle (UAV) communication system, based on modulating retro-reflector (MRR) and …

Single-photon detectors have been adopted in deep space laser communication to improve
the sensitivity of the ground receiver. For low-earth-orbit (LEO) laser communication, a …

A hybrid optical modulation approach is described, which layers a continuous wave MM–ary
differential phase-shift keying (M\rmDPSK MDPSK) and a two-level (2L 2 L) multipulse pulse …