FAB LAB COMMUNICATION PROJECT

1
FAB LAB COMMUNICATION PROJECT

• LABORATORY OF TELECOMMUNICATIONS
• George Sergiadis
• sergiadi_at_auth.gr

2
THE WORLD IS WIRELESS

• 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

3
Antennas
Price 349.90
4
Fab Lab WiFi Antenna Projects

• Window Glass
• Self adhesive cooper
• CAD file
• Flexible low-loss cable, or no cable

5
Isotropic Antennas
Gain 3 dbi
6
Higher gain Arrays
Directivity 1200 H / 300 V- Gain 9 dbi
7
New approaches Planar Antennas

• Gain gt9 dbi

8
Higher gain planar antennas
Planar structure - Gain gt12 dbi
9
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

10
THANK YOU FOR YOUR ATTENTION

• LABORATORY OF TELECOMMUNICATIONS
• George Sergiadis
• sergiadi_at_auth.gr