Patent ID: 7613985
Filing Date: 2009-11-03
Classification: H04L

Abstract:
1. A system for encoding a quantity of electronic information, the system comprising: a high protection code encoder configured to encode a first portion of the quantity of information to produce a first coded portion of information; a low protection code encoder configured to encode a second portion of the quantity of information to produce a second coded portion of information such that the high protection code encoder and the low protection code encoder encode the first and second portions based on a 16-state 4D Wei code concatenated with a rate 1/2 parallel concatenated turbo code, wherein the first portion comprises a least significant bit, the second portion comprises a next three significant bits, and wherein any remaining bits are uncoded; and a modulator configured to map the first coded portion of information, the second coded portion of information, and a third portion of the quantity of information to at least one symbol.