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Free-Space Optical Communications

Chan, V.W.S.

Journal of lightwave technology, 2006-12, Vol.24 (12), p.4750-4762 [Periódico revisado por pares]

New York, NY: IEEE

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Título:
Free-Space Optical Communications
Autor: Chan, V.W.S.
Assuntos: Adaptive optics ; Aircraft ; Applied sciences ; Atmosphere ; Channels ; Coherence ; Communication systems ; Costs ; Detection, estimation, filtering, equalization, prediction ; Exact sciences and technology ; Free-space optical communication ; Free-space optical networking ; Information, signal and communications theory ; Integrated optics ; Multiple access ; multiple-access optical channel ; Operation, maintenance, reliability ; Optical distortion ; Optical fiber communication ; Optical fiber networks ; Optical receivers ; Optical telecommunications ; satellite networks ; Signal and communications theory ; Signal, noise ; space optical communications ; Space technology ; Systems, networks and services of telecommunications ; Telecommunications ; Telecommunications and information theory ; Turbulence ; turbulent atmospheric optical channel ; Weight reduction ; Wireless optical communications
É parte de: Journal of lightwave technology, 2006-12, Vol.24 (12), p.4750-4762
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Descrição: With recent successes of laboratory, inatmosphere, and space demonstrations of free-space optical communications, there is no doubt that the technology is ready for operational deployment. While these successes have shown that there are no laws of physics against such systems, their estimated system costs are still much too high for serious considerations. Two types of development can reduce the cost dramatically. The first is via the improvement of physical-link communication efficiency by an order of magnitude using photon-counting receivers for vacuum channels, system complexity, weight, and power for space systems can be greatly reduced. The second is through the use of coherent systems in links where clear-air turbulence impairs communication efficiency, and in multiple access applications where coherent processing can reduce the level of interference, significant reduction in system costs can be realized
Editor: New York, NY: IEEE
Idioma: Inglês

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Free-Space Optical Communications

Chan, V.W.S.

New York, NY: IEEE

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