Abstract
The performance of ultra wideband (UWB) signals transmission using radio-over-fiber (ROF) technology is analyzed. UWB signals are directly modulated onto the optical carrier of wavelength 1550 nm for single mode fiber (SMF) system and 850 nm for multimode fiber (MMF) system. Bit error rates (BER) as a function of SMF and MMF lengths are presented. The ranges of SMF length are 0 to 5.5 km and 25.2 km to 31 km and 0 to 700 m for MMF. By varying the attenuation between the UWB transmitter and ROF modulator and between the photo-detector and UWB receiver, BER of less than 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-9</sup> is achieved for SMF system. Reliable transmission of UWB signals using ROF technology is thus demonstrated. MMF system achieves a BER of 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-9</sup> for lengths less than 450 m
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