International Scholarly Research Notices

Research Article

Low Power Decoding of LDPC Codes

Algorithm 2

Weighted bit flipping.
) For   = 1 : N,
   
) Let   over for all .
) If   for all ,
   output x and stop.
) Compute   in (4) for .
) Find the bit position for which ,
   change the sign of the bit at position .
) If the maximum number of iterations is reached
   output x and stop.
   otherwise
   go to step 2.