Patent ID: 6606355
Filing Date: 2003-08-12
Classification: H04B,H04L

Abstract:
A method comprising the steps ofa) using a redundancy encoder to generate a sequence of redundancy-encoded signals as a function of at least a portion of a stream of input data, b) in response to each of particular first ones of the redundancy encoded signals, selecting a signal point from a particular identified subset of a first plurality of signaling constellation subsets, a different one subset of the first plurality being identified for each different value of said first ones of the redundancy-encoded signals, c) in response to each of particular second ones of the redundancy encoded signals, selecting a signal point from a particular identified subset of a second plurality of signaling constellation subsets, at least ones of the first plurality subsets comprising a different number of signal points than at least ones of the second plurality subsets, a different one subset of the second plurality being identified for each different value of said second ones of the redundancy-encoded signals, and d) transmitting over a communication channel signals representing the selected signal points.