Method for digital data transmission in the zero symbol of COFDM modulation method
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United States of America Patent
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Apr 1, 1997
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N/A
app pub date -
Aug 18, 1994
filing date -
Nov 26, 1991
priority date (Note) -
Expired
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Abstract
A frame oriented, digital data transmission method wherein data are transmitted in the zero symbol of the frame of the modulation method provided in the COFDM (Coded Orthogonal Frequency Division Multiplex) which is provided in digital radio. This allows for further digital data to be independently transmitted outside of the actual digital multiplex signal. The method can also be used, among other things, for transmitter identification in common frequency networks.
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