Approaching fundamental limits to free-space communication through atmospheric turbulence

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/117406

dc.contributor	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
dc.contributor.author	Belmonte Molina, Aniceto
dc.contributor.author	Kahn, J. M.
dc.date	2018
dc.identifier.citation	Belmonte, A., Kahn, J. Approaching fundamental limits to free-space communication through atmospheric turbulence. A: SPIE Photonics West OPTO Conference. "Proceedings of SPIE: broadband Access Communication Technologies XII". Washington: International Society for Photo-Optical Instrumentation Engineers (SPIE), 2018, p. 1-7.
dc.identifier.citation	9781510616035
dc.identifier.citation	10.1117/12.2299623
dc.identifier.uri	http://hdl.handle.net/2117/117406
dc.language.iso	eng
dc.publisher	International Society for Photo-Optical Instrumentation Engineers (SPIE)
dc.relation	http://spie.org/PWO/conferencedetails/broadband-access-communication-technologies#2299623
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica
dc.subject	Optical communications
dc.subject	Free-space communications
dc.subject	Space multiplexing
dc.subject	Atmospheric eigenmodes
dc.subject	Capacity limits
dc.subject	Comunicacions òptiques
dc.title	Approaching fundamental limits to free-space communication through atmospheric turbulence
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	We have determined the optimal beams for free-space optical transmission through atmospheric turbulence. These are stochastic eigenmodes derived analytically from a canonical turbulence model, assuming known turbulence statistics. Under weak or strong turbulence, using these modes as transmit and receive bases minimizes signal degradation by turbulence, and minimizes the complexity of any signal processing method employed to compensate for turbulence. These modes can be mapped to/from single-mode waveguides by fundamentally lossless modal multiplexers and demultiplexers. Adaptive optics can be replaced by adaptive multi-input multi-output signal processing, enabling compensation of fast fluctuations of both phase and amplitude.
dc.description.abstract	Peer Reviewed

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