Hi
I'm privately (as a ham and as a fan) developping a IR communicator intended
to work for 250m and more and transfer data packets peer-to-peer at rates
at least 1Mbit and to interconnect Linux machines (primarily). It is strongly
optimized to be low-cost and to be available to every ham who has got
a soldering iron at home and few coins in the pocket.
I'm currently at a stage where at half-optics (receiver with optics, transmitter
bare diode) I got 22.5 dBSNR @2MHz carrier in band 100kHz...2MHz and
10m distance.
I have heard that IrDA is not capable of sending full-duplex. My channel is
full-duplex (four separate simple optics heads) so it would be a great
pity to lose half of the precious bandwidth.
Is there any possibility to force IrDA chips to work full-duplex?
If not, how well would Linux communicate half-duplex?
Or is there any possibility (V.35 or others?) to encode the bits at reasonably
low costs?
Best regards,
Karel Kulhavy
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