2C. Berrou,A. Glavieux and P. Thitimajshima,"Near Shannon limit error-correcting coding and decoding: Turbo-codes, in proc. ICC' 93,May,993,p. 1064-1070.
3Gallager R G.Low density parity check codes[J].Ph.D.thesis,Massachusetts Institute of Technology,Cambridge,MA,1960.
4David MacKay J C.Good error-correcting codesbased on very sparse matrices[J].IEEE Tran.on Information Theory,1999,45(2):399-431.
5Richardson T,Urbanke R.Efficient encoding of lowdensity parity-check codes[J].IEEE Transactions on Information Theory,2001,47(2):638-656.
6Echard R,Chang S C.The-rotation low-density parity check codes[S].in Proc.GLOBECOM 2001,2001:980-984.