RONJA

Optical Wireless Point To Point Ethernet

Karel Kulhavy, Zurich

Technical data

480,000 / 340,000 GHz – red, infrared

10Mbps full duplex

BER 10^-9

RTT < 1ms

Range 1.4km

Features

Good chainability

Realtime home cinema with Samba / 2 links

No slowdown during 100% load

Fails in dense fog

Requires a solid mount

A link consists of...

4 magnifying glasses

4 smoke pipes

steel parts

426 electronic components

~$300,- material

~70 hours building time

User friendly

DIY friendly parts and construction

Ready made PCB files

No understanding needed

Online instructions under GFDL licence

Should work on the first try

History etc.

Since 1998

115.2 kbps first, 10Mbps Christmas 2001

2x slashdotted

153 registered installations

Slovak dormitory: 1000 students, 900m

IEEE conference article

NCSU experimental underwater link

Free Software

Qcad, BRL-CAD

Gschem, Gerbv, Gnucap

Gnuplot, GNU R

Gimp, Sodipodi, Autotrace, ImageMagick

GNU Make, Subversion, Rsync

Continuing Development

Bugfixes

Releases of unreleased parts

Increase range

100Mbps and 1Gbps would be nice

Thank You For Attention

Twibright Labs Ronja

http://ronja.twibright.com

Ronja Optical Datalink

2005-06-04T16:40:55