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Proceedings Paper

Real-time combining of optical array signals
Author(s): V. Vilnrotter; C.-W. Lau; K. Andrews; P. Vo; M. Srinivasan; D. Lee
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Paper Abstract

The results of field experiments designed to demonstrate key enabling concepts of optical array receivers are presented, in a field environment similar to actual operating conditions. The theoretical framework and analytical evaluation of optical array receivers have been developed and documented in previous articles. This article describes the implementation and field evaluation of a two-element optical array receiver incorporating photon-counting, signal conditioning, high-speed digital sample distribution, adaptive delay compensation and sample combining operations required for array reception of intensity-modulated optical pulse-position modulated (PPM) signals. Data collected in the field was processed offline to determine communications performance of a two-element optical array, and demonstrate the inherent advantages of optical array reception.

Paper Details

Date Published: 1 March 2006
PDF: 11 pages
Proc. SPIE 6105, Free-Space Laser Communication Technologies XVIII, 610508 (1 March 2006); doi: 10.1117/12.660266
Show Author Affiliations
V. Vilnrotter, Jet Propulsion Lab. (United States)
C.-W. Lau, Jet Propulsion Lab. (United States)
K. Andrews, Jet Propulsion Lab. (United States)
P. Vo, Jet Propulsion Lab. (United States)
M. Srinivasan, Jet Propulsion Lab. (United States)
D. Lee, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 6105:
Free-Space Laser Communication Technologies XVIII
G. Stephen Mecherle, Editor(s)

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