MEMORY ARCHITECTURE FOR POSTIORIOR MAXIMUM PROBABILITY DECODER.

摘要

A system for carrying out a decoding of the maximum posterior probability in a scrollable window, hereinafter referred to as MAP, the decoding comprising: a) a channel deinterlacing RAM (160) for storing a block of symbol estimates; b) a total of S calculators (272, 274) of state metrics, each state metric calculator being to generate a set of state metric calculations, in which said state metric calculators (272, 274) process data in windows equal to or smaller than the size of a window RAM; c) a set of S + 1 window RAM (230A-D), in which S of said S + 1 window RAM provide symbol estimates to said S state metric calculators, and a remaining window RAM receives estimates of symbols from said channel deinterlacing RAM (160).