High-capacity and secure inter-satellite optical wireless communication using 2D DPS-OCDMA [PDF]
Scientific ReportsInter-satellite optical wireless communication (IsOWC) has emerged as a promising technology for high-capacity and secure links in next-generation satellite networks.
Ammar Armghan +5 more
doaj +2 more sources
Robust high-capacity free-space optical communication using OAM-based structured light and intelligent adaptive signal processing [PDF]
Scientific ReportsFree-space optical (FSO) communication enables high-speed, secure, and bandwidth-efficient data transmission for terrestrial and inter-satellite networks, outperforming traditional radio frequency (RF) systems in interference immunity and directional ...
Muhammad Ahmad +5 more
doaj +2 more sources
Beyond Fiber: Toward Terahertz Bandwidth in Free-Space Optical Communication [PDF]
SensorsThe rapid advancement of terahertz (THz) communication systems has positioned this technology as a key enabler for next-generation telecommunication networks, including 6G, secure communications, and hybrid wireless-optical systems.
Rahat Ullah +8 more
doaj +2 more sources
A high-performance 10 mm diameter MEMS fast steering mirror with integrated piezoresistive angle sensors for laser inter-satellite links [PDF]
Microsystems & NanoengineeringThis paper presents a compact and high-performance piezoelectric micro-electro-mechanical system (MEMS) fast steering mirror (FSM) designed for use in laser inter-satellite links (ISLs).
Wenli Xue +11 more
doaj +2 more sources
Performance Analysis of DPSK Optical Communication for LEO-to-Ground Relay Link Via a GEO Satellite
Journal of Astronomy and Space Sciences, 2020 Satellite optical communication has gained significant attention owing to its many quality features (e.g., a larger bandwidth, license free spectrum, higher data rate, and better security) compared to satellite microwave communication.
Hyung-Chul Lim +5 more
doaj +1 more source
H2020-SPACE-ORIONAS miniaturized optical transceivers and amplifiers for high-speed optical inter-satellite links [PDF]
LASE, 2022 The European H2020-SPACE-ORIONAS project targets the development of optical transceiver and amplifier integrated circuits and modules applicable to high-speed and compact laser communication terminals.
L. Stampoulidis +18 more
semanticscholar +1 more source
Acquisition Time in Laser Inter-Satellite Link Under Satellite Vibrations
IEEE Photonics Journal, 2023 Pointing, acquisition, and tracking (PAT) is a major technical challenge of laser inter-satellite links (ISLs). For the fast establishment of laser link and the maximization of communication time, it is of importance to minimize the acquisition time ...
Kwanyong Lee, Vuong Mai, Hoon Kim
doaj +1 more source
Dynamic Network Formation for FSO Satellite Communication
Applied Sciences, 2022 Satellite network optimization is essential, particularly since the cost of manufacturing, launching and maintaining each satellite is significant. Moreover, classical communication optimization methods, such as Minimal Spanning Tree, cannot be applied ...
Revital Marbel +3 more
doaj +1 more source
IEEE Open Journal of the Communications Society, 2023 In free-space optical satellite networks (FSOSNs), satellites connected via laser inter-satellite links (LISLs), latency is a critical factor, especially for long-distance inter-continental connections.
Jintao Liang +7 more
doaj +1 more source
IEEE Photonics Journal, 2021 We propose a continuous-variable quantum key distribution (CVQKD) scheme at terahertz (THz) bands based on multicarrier multiplexing (MCM) technology. In this scheme, multiple Gaussian modulated subcarriers are coupled to transmit multipath superposed ...
Chengji Liu +5 more
doaj +1 more source