Abstract
This paper demonstrates that very low cost wireless-over-fibre systems can
be implemented without RF amplification by using lossless matching
techniques. Single stub matching circuits were designed on low loss
substrates and integrated with photodiode chips and results show that the
link gain can be theoretically improved by more than 8 dB. A 2-port link
gain model is developed using Agilent ADS which allows simple wideband
modeling of such systems. Finally the system is tested using a
“live” access point both with and without matching and
results show that a maximum RF range of 4 m can be obtained at 2 Mbps data
rate over 317 m of installed MMF with no RF amplification.
© 2009 US
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