2023年9月20日 · Within the context of NASA, optical communications technology sends data across space using lasers instead of radio frequencies. Space Communications and …

2023年9月27日 · Since the beginning of spaceflight in the 1950s, NASA missions have leveraged radio frequency communications to send data to and from space. Optical communications, …

To support future exploration and science needs, NASA is gradually introducing optical communications technologies to augment its radio frequency (RF) systems. Optical …

2023年10月10日 · NASA’s pioneering Deep Space Optical Communications experiment will be the first demonstration of laser, or optical, communications from as far away as Mars. …

Custom coherent architectures for FSO communications provide a path for optimizing mitigation of atmospheric turbulence and easing PAT system constraints. Key aspects for facilitating …

Why Optical? • Beams emitted from finite-width apertures spread out in space (diverge) • The angular beam width of the beam depends on wavelength (λ) and aperture diameter (D): θ≈ λ/D …

2 天之前 · Another contribution analysis is the coherent digital signal processing for high-speed communications. Coherent optical satellite links enable high-throughput communications and …

The interest in optical satellite communications has grown rapidly in recent years [11-15]. Thanks to the high data rates provided by optical links [16-18], satellite networks based on OSLs have …

The introduction of inter-satellite links (ISLs) can significantly improve the throughput of the satellite network, and has recently received a lot of attention from both academia and industry. …

2023年12月15日 · This paper addresses the architecture of optical satellite networks from the physical to the transport and application layers. New frontiers exist for much more