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Investigation of Intermodulation Distortion Reduction Technique for Multi-Channel Fiber-Radio Transmission in Heterogeneous Access Networks

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5 Author(s)
Christina Lim ; ARC Special Research Centre for Ultra-Broadband Information Networks (CUBIN), Department of Electrical and Electronic Engineering, The University of Melbourne, VIC 3010 Australia. Tel: +61-3-8344-4486, Fax: +61-3-8344-6678, Email: ; Ka-lun Lee ; Ampalavanapillai Nirmalathas ; Dalma Novak
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We have analyzed a linearization scheme for optical single sideband with carrier (OSSB+C) modulated signals for fiber-radio applications that supports simultaneous baseband transmission for other wired access networks. Experimental results showed >9 dB improvement in the carrier-to-interference ratio (CIR) of the three-tone RF signals with simultaneous error-free 2.5 Gb/s baseband transmission. The carrier re-use scheme was quantified as a function of total RF channels, amplitude and channel spacing. It was found that as the number of RF channels increases at a fixed total input RF power, the baseband performance improves with RF channel spacing

Published in:

LEOS 2006 - 19th Annual Meeting of the IEEE Lasers and Electro-Optics Society

Date of Conference:

Oct. 29 2006-Nov. 2 2006