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Title: Experimental characterization of a synchronous frequency-hopping spread-spectrum transceiver for wireless optical communications
Authors: Pérez, S. T. 
Rabadán, J. A. 
Delgado, F. A. 
Velázquez, J. R.
Pérez Jiménez, R. 
UNESCO Clasification: 3307 Tecnología electrónica
Keywords: wireless optical communications
spread spectrum
frequency hopping
synchronism pilot signal
Issue Date: 2003
Journal: Proceedings of SPIE - The International Society for Optical Engineering 
Conference: Conference on VLSI Circuits and Systems 
VLSI Circuits and Systems 
Abstract: In this paper, the design and experimental characterization of a wireless optical transceiver for indoor applications, based on Frequency-Hopping Spread-Spectrum techniques, is presented. Using these techniques reduce the narrowband interference produced by optical sources and the intersymbol interference induced by multipath propagation. It also makes possible using the CDMA capabilities associated with Spread Spectrum, in order to improve the performances when several emitters and receivers are considered. The main drawback of these kind of systems lies on the high complexity of the synchronization system of the receiver, typically consisting on two cascaded structures: acquisition and tracking. We propose using a dual-pilot signal, transmitted by a master emitter, for reducing both complexity and cost of the synchronization stage of the receiver.
ISBN: 0-8194-4977-6
ISSN: 0277-786X
DOI: 10.1117/12.498729
Source: Proceedings of SPIE - The International Society for Optical Engineering[ISSN 0277-786X],v. 5117, p. 506-514
Appears in Collections:Actas de congresos
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