The Boeing Company

Samir B Patel

Anchung Chang

Chu-Sieng Long

A method of encoding information bits of a communication signal for a communication system () is provided. The method includes decomposing the communication signal having a corresponding M-ary modulation constellation into a M-ary constellation, and a M-ary constellation to generate one or more symbols S. The one or more symbols Sare mapped using a bit-to-symbol table to generate an encoded communication signal. Decoding methods are also provided for uncoded modulation and trellis coded modulation (TCM). A transmitter () comprising an encoder () for performing TCM that is capable of transmitting a fractional number of information bits per transmitted symbol is also provided.

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Torrance, CA, United States of America

Samir B Patel