Patent ID: 8095850
Filing Date: 2012-01-10
Classification: H03M,H04J,H04L

Abstract:
1. A method for decoding information from a signal transmission that is encoded with a non-coherent burst code, the method comprising: derotating a series of baseband samples associated with the signal transmission into in-phase and quadrature-phase portions, wherein the series of baseband samples include a combination of signals and noise associated with the signal transmission, wherein the series of baseband samples has an unknown rotation angle, and wherein the derotated series of baseband samples are aligned to a nominal rotation angle that corresponds to at least one of 45 degrees, 135 degrees, 225 degrees, and 315 degrees; generating a 24-bit coded signal by hard-limiting the derotated series of baseband samples; identifying a first set of bit positions for a first 12-bit portion of the 24-bit coded signal from a first portion of a 24-bit weight 12 template code; identifying a second set of bit positions for a second 12-bit portion of the 24-bit coded signal from a second portion of the 24-bit weight 12 template code; swapping a first set of bit values in the first set of bit positions for the 24-bit coded signal with a second set of bit values occupying the second set of bit positions for the 24-bit coded signal to provide a 24-bit data; decoding a 12-bit data from the 24-bit code using an extended binary Golay decoder; and remapping the 12-bit data to a 10-bit output data, wherein the 12-bit data corresponds to a mapping from 10-bit data space to 12-bit data space, wherein the mapping between the 10-bit data space and the 12-bit data space is determined by the 24-bit weight 12 template code.