digital: updated PSK and added QAM tx/rx and new loopback sim examples.
just a test to see if it gets pushed to our redmine server properly.
increasing usability, adding params, etc.
adding OFDM transmitter code.
splitting out OFDM receiver into its own block and adding a USRP2-bas…
…ed OFDM receiver.
Adding basic rx and tx apps for USRP2 (non-UHD).
Merge branch 'master' of github.com:trondeau/gr_apps
using parameters for command-line access.
New files to transmit an OFDM signal or channelized signals with UHD.
Minor changes to receivers.
Updating psk receivers.
New program to receive an OFDM waveform. Displays various pieces of t…
…he demoding process for debugging.
adding qpsk transmitter block and using it in PSK channelizer.
updating psk channelized transmitter to use new bpsk_tx hier_block.
Adding a BPSK transmitter that just transmits random symbols.
New UHD application that can receive channelized PSK signals.
Adding hier_blocks for BPSK and QPSK receivers - takes in samples and…
… returns symbols, not bits.
Adding a channelized PSK transmitter.
Adding a channelizing receiver; updating info to other apps.
adding gitignore file.
Adding GRC app to transmit an FM-modulated sinusoid.
first commit - adding GRC program to receive using UHD and QtGui.