Average capacity of FSO links with transmit laser selection using non-uniform OOK signaling over exponential atmospheric turbulence channels

Antonio García-Zambrana, Beatriz del Castillo-Vázquez, Carmen Castillo-Vázquez
January 2010
Cite DOI URL

Abstract

A new upper bound on the capacity of power- and bandwidthconstrained optical wireless links using selection transmit diversity over exponential atmospheric turbulence channels with intensity modulation and direct detection is derived when non-uniform on-off keying (OOK) formats are used. In this strong turbulence free-space optical (FSO) scenario, average capacity is investigated subject to an average optical power constraint and not only to an average electrical power constraint when the transmit diversity technique assumed is based on the selection of the optical path with a greater value of irradiance. Simulation results for the mutual information are further demonstrated to confirm the analytical results for different diversity orders. © 2010 Optical Society of America.

Type
Journal article
Publication
Optics Express
Algorithms Atmosphere Equipment Design Equipment Failure Analysis Nonlinear Dynamics Optical Devices Computer-Assisted Telecommunications Telemetry Atmospheric Thermodynamics Optical Communication Analytical Results Atmospheric Turbulence Channels Average Capacities Bandwidth-Constrained Diversity Order Electrical Power Free-Space Optical Intensity Modulation and Direct Detections Mutual Informations Nonuniform On-Off Keying Optical Path Optical Power Optical Wireless Link Selection Transmit Diversity Simulation Result Strong Turbulence Transmit Diversity Techniques Upper Bound Algorithm Article Equipment Instrumentation Nonlinear System Optical Instrumentation Signal Processing Telecommunication Atmospheric Turbulence
Antonio García-Zambrana
Antonio García-Zambrana
Professor of Telecommunications Engineering

Professor at the University of Málaga working on wireless optical communications, free-space optical links, underwater optical wireless communications, visible light communications, and FPGA/RFSoC-based real-time prototyping.

Beatriz del Castillo-Vázquez
Beatriz del Castillo-Vázquez
Associate Professor of Telecommunications Engineering

Associate Professor at the University of Málaga working on wireless optical communications, free-space optical links, underwater optical wireless communications, optical channel modelling and system-level performance analysis.