نتایج جستجو برای: free space optical communication

تعداد نتایج: 1527036  

Journal: :European Scientific Journal, ESJ 2016

2007
W. S. Rabinovich R. Mahon Mark L. Biermann G. C. Gilbreath

Modulating retro-reflectors (MRR) couple passive optical retro-reflectors with electro-optic modulators to allow free-space optical communication with a laser and pointing/acquisition/tracking system required on only one end of the link. In operation a conventional free space optical communications terminal, the interrogator, is used on one end of the link to illuminate the MRR on the other end...

Journal: :Electronics Letters 2021

Performance of a free-space optical communication system is influenced by atmospheric turbulence which degrades signal transmission quality. A gamma–gamma channel model employed to characterise this under weak-to-strong conditions. The proposed dual diffuser modulation using subtraction dual-wavelength concept combined with phase screen improve transmission. Its performances are compared conven...

2009
Kamugisha Kazaura Toshiji Suzuki Kazuhiko Wakamori Mitsuji Matsumoto Takeshi Higashino Katsutoshi Tsukamoto Shozo Komaki

One of the ultimate goals in next generation network design is to achieve an ubiquitous environment enabling connectivity between any wireless access system with optical fiber core network. Radio on Fiber (RoF) technology has been applied to realize a universal platform for transparently carrying various types of wireless services. By applying free-space optics (FSO) communication techniques co...

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