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This a framework to test new ideas in transmission technology. Actual development is a LDPC-coder in

OFDM
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 Orthogonal Frequency Division Multiplex (OFDM) replaces the extension of 
the symbols in time with the extension of the symbols in frequency. This
radio shows some of the problems with this approach:
- lower SNR at same channel-quality than TDM
- output-power is dependant of data-statistics