Coder and Decoder, Coding Method and Decoding Method, and System Comprising a Coder and a Decoder
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United States of America Patent
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Issued Date -
Mar 29, 2012
app pub date -
Sep 22, 2011
filing date -
Sep 25, 2010
priority date (Note) -
Abandoned
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Abstract
A coder (36) for mapping a digital signal (10) into a transmission signal (12) and a decoder (44) for mapping a reception signal (13) into a digital signal (10) for transmission by and reception from a real channel (42), respectively. The coder (36) allocates code symbols (16) of a code space (40) to data symbols (14) of the digital signal (12) and generates the transmission signal (12) The decoder (44) detects the code symbols (16) on the basis of the reception signal (13) and allocates data symbols (14) of the digital signal (10) to the code symbols (16) of the code space (40). The data symbols (12) each have at least two bits (18) of the digital signal (10), and the code space (40) comprises code symbols (16) of two groups (38, 39).
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