Patent ID: 8599971
Filing Date: 2013-12-03
Classification: H04L

Abstract:
1. A receiver system configured to receive a hierarchically modulated signal from a transmitter system, said receiver system comprising: a receiver device configured to receive the hierarchically modulated signal, the hierarchically modulated signal being a function of a time domain, and comprising a high priority data stream that has a single carrier type modulation, and a low priority data stream having data bits, wherein the data bits of said low priority data stream are spread over a plurality of data symbols of a high priority data modulation; a high priority processor device in communication with said receiver device, wherein said high priority processor device is configured to process said high priority data stream of said received hierarchically modulated signal, such that an output is emitted that is representative of said high priority data stream; a low priority processor device in communication with said receiver device, wherein said low priority processor device is configured to process said low priority data stream of said received hierarchically modulated signal, said low priority processor device comprising: an orthogonal frequency-division multiplexing (OFDM) decoder in communication with said receiver device, wherein said OFDM decoder is configured to convert said low priority data stream of said received hierarchically modulated signal that is a function of said time domain to be a function of a frequency domain by utilizing a fast Fourier transform (FFT), such that an output is emitted that is representative of said low priority data stream; a serial-to-parallel device configured to receive an input into said OFDM decoder; a FFT device in communication with said serial-to-parallel device, wherein said FFT device is configured to convert said low priority data stream of the hierarchically modulated signal that is a function of said time domain to be a function of said frequency domain utilizing said FFT; and a parallel-to-serial device in communication with said FFT device, wherein said parallel-to-serial device is configured to emit an output from said OFDM decoder.