Patent ID: 8887030
Filing Date: 2014-11-11
Classification: H03M,H04L

Abstract:
1. Encoder for error correction code encoding input data words (D) into codewords (Z 1 , Z 2 ), comprising: an encoder input for receiving input data words (D) each comprising a first number K an encoding means for encoding each of the input data words (D) into one of the codewords (Z i) for generating said basic codeword portion (B) from one of the input data words (D) according to a first code, wherein each of the basic parity symbols is generated by accumulating an information symbol at a parity symbol address determined according to a first address generation rule, and ii) for generating said auxiliary codeword portion (A) from said one of the input data words (D) according to a second code, wherein each of the auxiliary parity symbols is generated by accumulating an information symbol m at a parity symbol address γ, wherein said parity symbol addresses γ are determined according to a second address generation rule wherein x denotes the addresses of a parity symbol accumulator corresponding to the first information symbol of a group of size G a and Q IR is an auxiliary code rate dependent, predefined constant, and an encoder output for outputting said codewords (Z