Title :
New constructions of quasi-cyclic LDPC codes based on special classes of BIBD´s for the AWGN and binary erasure channels
Author :
Lan, Lan ; Tai, Ying Yu ; Lin, Shu ; Memari, Behshad ; Honary, Bahram
Author_Institution :
Univ. of California, Davis
fDate :
1/1/2008 12:00:00 AM
Abstract :
This paper presents new methods for constructing efficiently encodable quasi-cyclic LDPC codes based on special balanced incomplete block designs (BIBD´s). Codes constructed perform well over both the AWGN and binary erasure channels with iterative decoding.
Keywords :
AWGN channels; block codes; iterative decoding; matrix algebra; parity check codes; AWGN channel; balanced incomplete block designs; binary erasure channels; iterative decoding; quasicyclic LDPC codes; AWGN channels; Communications Society; Iterative decoding; Modulation coding; NASA; Null space; Parity check codes; Quantum cascade lasers; Sparse matrices;
Journal_Title :
Communications, IEEE Transactions on
DOI :
10.1109/TCOMM.2008.050483