Generation and processing of a variable-band modulated OFDM signal with auxiliary signalling
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United States of America Patent
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Sep 19, 2017
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Oct 2, 2014
app pub date -
Oct 10, 2012
filing date -
Oct 11, 2011
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Abstract
A method for generating a variable-band modulated signal (x) where the modulating digital signal (X) of the modulated signal (x) includes at least one component (C, S, P); the digital information (r) about the variable band is repeatedly or periodically superimposed on the at least one component (C, S, P) or on the modulating signal (X). While processing the received modulated signal (x″), the modulated digital signal (X″) is extracted, the superimposed digital information (r) is obtained, and the extracted digital information (r) is used to determine the band of the modulated signal (x″) and to complete the demodulation and decoding of the modulated signal (x″).
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