Patent ID: 8689092
Filing Date: 2014-04-01
Classification: H03M

Abstract:
1. A digital communications transmitter employing one or more LDPC codes selected from rates including 1/4, 2/5, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 13/15, 9/10, wherein the LDPC code with the rate 1/4 has a bit node degree distribution, (b the LDPC code with the rate 2/5 has a bit node degree distribution (b the LDPC code with the rate 1/2 has a bit node degree distribution (b the LDPC code with the rate 3/5 has a bit node degree distribution (b the LDPC code with the rate 2/3 has a bit node degree distribution (b the LDPC code with the rate 3/4 has a bit node degree distribution (b the LDPC code with the rate 4/5 has a bit node degree distribution (b the LDPC code with the rate 5/6 has a bit node degree distribution (b the LDPC code with the rate 13/15 has a bit node degree distribution (b the LDPC code with the rate 9/10 has a bit node degree distribution (b