Title :
Optimisation of low power Radio-over-fibre links for UWB systems
Author :
Sipal, Vit ; Edwards, David ; Allen, Ben
Author_Institution :
Dept. of Eng. Sci., Univ. of Oxford, Oxford, UK
Abstract :
This paper focuses on the design of Radio-over-fibre (ROF) links for ultrawideband (UWB) applications. Due to strict regulations, network architecture and technical feasibility, UWB ROF links must have 0 dB gain, low noise figure and low DC power dissipation. Due to the low power of UWB signals, pre-amplification is possible. Design rules for UWB ROF links with a pre-amplifier are presented. If followed, these rules enable design of links with a lower noise figure and power dissipation than previous design rules yield for general purpose ROF links. This is illustrated by a ROF link for UWB channel sounding that requires only 27.3% of DC power compared to a commercial link with similar gain and noise figure.
Keywords :
low-power electronics; preamplifiers; radio-over-fibre; ultra wideband communication; DC power dissipation; UWB ROF links; UWB channel sounding; UWB signals; UWB systems; low power radio-over-fibre links; network architecture; noise figure; optimisation; pre-amplification; pre-amplifier; strict regulations; technical feasibility; ultrawideband applications; Gain; Modulation; Noise figure; Optical amplifiers; Optical fiber communication; Optical fibers; Optical transmitters; Radio-over-Fibre; UWB; Ultrawideband; design rules; electro absorption modulator; low power dissipation;
Conference_Titel :
Ultra-Wideband (ICUWB), 2011 IEEE International Conference on
Conference_Location :
Bologna
Print_ISBN :
978-1-4577-1763-5
Electronic_ISBN :
2162-6588
DOI :
10.1109/ICUWB.2011.6058919
