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The right trapezoid based eleven B seven T scheme methodology and analysis can further evolve:
PAM six with eighteen bits to seven senary symbols coding based on partitioning to three grouped five bits to two senary symbols and one three bits to one senary symbol coding application,
PAM three with nineteen bits to twelve trits based on partition to six grouped three bits to two trits and leftover one bit to reach around ninety nine dot nine percent efficiency.
This general coding methodology is feasible for most non integer power of two PAM or QAM.
more multi bits and multi symbols, partitioning to groups, redundant constellation points as special identifier and reshuffled in PAM symbol sequence field for different coding branch. |