CPC H03M 13/2906 (2013.01) [H03M 13/1102 (2013.01); H03M 13/1515 (2013.01); H03M 13/152 (2013.01); H04L 1/0041 (2013.01); H04L 1/0057 (2013.01); H04L 27/36 (2013.01); H04L 27/38 (2013.01); H04L 12/2801 (2013.01)] | 20 Claims |
1. An apparatus, comprising:
an encoder configured to perform error correction using an error correction code on a received signal to generate an encoder signal;
a shell mapper configured to perform shaping on the received signal over two or more groups of carriers with different constellation sizes to generate a shaped signal; and
a modulator configured to generate an output signal based on the encoder signal and the shaped signal.
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