3. Development of multimodal fiber optic radio technology

3.1 Applications and topologies

Fiber radio systems are designed to distribute microwave and millimeter-wave radio frequency signals inside confined spaces such as buildings. Their primary purpose is to replace the radio channel, which is deficient in these environments. Unlike digital signals, the spectral width of the signals handled by these systems can be relatively small (a few tens of kHz for GSM applications) and can reach 500 MHz for broadband wireless applications. The main advantage of these techniques is their ability to reach radio fading zones, in which case several access points are needed to cover such an area, which is generally less than a kilometer in perimeter. This concept can be applied to picocells with perimeters of the order of a hundred meters. In practical...

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Development of multimodal fiber optic radio technology

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Conclusion

Bibliography

(1) - MILLER (S.E.), CHYNOWETH (A.C.) - Optical Fiber Telecommunications, - Academic press Inc., (1979).
(2) - LETHIEN (C.), LOYEZ (C.), VILCOT (J.-P.) and GOFFIN (A.) - Differential Mode Delay measurements of the fluorinated based Graded Index Polymer Optical...

Standards and norms

Optical fibres – Part 2-10: Product specifications – Sectional specification for category A1 multimode fibres; NF EN (April 2008) - IEC 60793-2-10 - 6-2007
ISO 11801 – Information technology – Generic cabling for customer premises - ISO 11801 - 9-2002
Product specifications – Sectional specification for category A4 multimode fibres, 2nd edition ; NF EN (april 2008) http://webstore.iec.ch/webstore/webstore.nsf/artnum/035855...