[USRP-users] Pulse Position Modulation

Josh Blum josh at ettus.com
Sun Sep 23 00:07:19 EDT 2012



On 09/22/2012 01:13 PM, Rui Pinheiro wrote:
> Hi there,
> 
> I'm sorry, I'm a programmer but not an elec. eng. Could anybody help
> me, how to transmit timed pulses for pulse position modulation using
> c++ API or GNU Radio? I tried a lot of IQ settings, but always I get
> a continuous carrier wave instead of a pulse. I use a B100 with WBX. 
> Thanx for your help.
> 


Here is a little example w/ the C++ API doing timed bursts:
http://code.ettus.com/redmine/ettus/projects/uhd/repository/revisions/master/entry/host/examples/tx_bursts.cpp#L111

Under this example you can fine out about gnuradio stream tags and a
tags demo:
http://code.ettus.com/redmine/ettus/projects/uhd/wiki/GNU_Radio_UHD#Using-UHD-with-GNU-Radio

-josh




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