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RONJA

RONJA. Optical Wireless Point To Point Ethernet Karel Kulhavy, Zurich. 480,000 / 340,000 GHz – red, infrared 10Mbps full duplex BER 10^-9 RTT < 1ms Range 1.4km. Technical data. Features. Good chainability Realtime home cinema with Samba / 2 links No slowdown during 100% load

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RONJA

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  1. RONJA Optical Wireless Point To Point Ethernet Karel Kulhavy, Zurich

  2. 480,000 / 340,000 GHz – red, infrared 10Mbps full duplex BER 10^-9 RTT < 1ms Range 1.4km Technical data

  3. Features • Good chainability • Realtime home cinema with Samba / 2 links • No slowdown during 100% load • Fails in dense fog • Requires a solid mount

  4. A link consists of... • 4 magnifying glasses • 4 smoke pipes • steel parts • 426 electronic components • ~$300,- material • ~70 hours building time

  5. 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

  6. 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

  7. Free Software • Qcad, BRL-CAD • Gschem, Gerbv, Gnucap • Gnuplot, GNU R • Gimp, Sodipodi, Autotrace, ImageMagick • GNU Make, Subversion, Rsync

  8. Continuing Development • Bugfixes • Releases of unreleased parts • Increase range • 100Mbps and 1Gbps would be nice

  9. Thank You For Attention • Twibright Labs Ronja • http://ronja.twibright.com

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