A signal generator includes a memory for storing content information in
the form of vectors including in-phase and quadrature elements of an
orthogonal frequency division multiplexing waveform, a processor for
converting the vectors to a radio frequency signal, and a logic device
for controlling the operation of the memory and the processor. The
in-phase and quadrature elements represent baseband content of the
orthogonal frequency-division multiplexing waveform.