Ack!!! CDMA!

How did you manage to keep other transmitters from emitting too strongly? I
suspect that strong emissions could overwelm the reception.

> I have actually used something similar to your suggestion, but in the
> field of IR communication.  In this case the transmitter sent out a
> 32-bit pattern (4 of the bits being '1', the rest zero) repetitively.
> The receiver could tune into the pattern being transmitted, even if other
> transmitters were in the vicinity (so long as the other transmitters
> used a different 32-bit code).