FAB LAB COMMUNICATION PROJECT LABORATORY OF TELECOMMUNICATIONS George

FAB LAB COMMUNICATION PROJECT LABORATORY OF TELECOMMUNICATIONS George Sergiadis sergiadi@auth. gr OCTOBER 12 2006 CBA PROGRAM REVIEW MEDIA LAB MIT

THE WORLD IS WIRELESS OCTOBER 12 2006 • Communication is crucial, especially in developing countries • Deploying Mesh-Networks seems to be the solution • Infrastructure equipment cost should remain very low • 802. 11 radios are very appropriate • Antenna costs still remain high CBA PROGRAM REVIEW MEDIA LAB MIT

Antennas Price: $349. 90 OCTOBER 12 2006 CBA PROGRAM REVIEW MEDIA LAB MIT

Fab Lab Wi. Fi Antenna Projects • • OCTOBER 12 2006 Window Glass Self adhesive cooper CAD file Flexible low-loss cable, or no cable CBA PROGRAM REVIEW MEDIA LAB MIT

“Isotropic” Antennas Gain 3 dbi OCTOBER 12 2006 CBA PROGRAM REVIEW MEDIA LAB MIT

Higher gain Arrays Directivity 1200 H / 300 V- Gain 9 dbi OCTOBER 12 2006 CBA PROGRAM REVIEW MEDIA LAB MIT

New approaches – Planar Antennas • OCTOBER 12 2006 Gain >9 dbi CBA PROGRAM REVIEW MEDIA LAB MIT

Higher gain planar antennas Planar structure - Gain >12 dbi OCTOBER 12 2006 CBA PROGRAM REVIEW MEDIA LAB MIT

Achieved Targets 1. Very low cost, 1 or 2 US $ 2. Low manufacturing sensitivity 3. Fab Lab easily reproducible, by unskilled “Fablabers”, using the Fab Lab tools OCTOBER 12 2006 CBA PROGRAM REVIEW MEDIA LAB MIT

THANK YOU FOR YOUR ATTENTION LABORATORY OF TELECOMMUNICATIONS George Sergiadis sergiadi@auth. gr OCTOBER 12 2006 CBA PROGRAM REVIEW MEDIA LAB MIT