国家重点实验室 Channel Splitting W→W9 (1≤i≤W) U C(W)=I(UN;YN) U =∑1U,;YN,U) =1 =∑Cw) WN o Define bit-channels →y U WW9:U→Yw×U- U 04')2现 o Successive-cancellation(SC)译码结构建立信道分裂 11 Channel Splitting Define bit-channels Successive-cancellation (SC)译码结构建立信道分裂 11 ( )i W W N N → (1 ) ≤ ≤i N () 1 : i Ni WUYU N → × − 1 1 1 ( ) 1 () (;) ( ; , ) ( ) N N N N N i i i N i N i CW IU Y IU Y U C W − = = = = =   1 () 1 11 i 1 1 1 1 ( , |) ( | ) N Ni 2 i i Ni N N N N N u X W yu u Wy u − + − − ∈ = 