Patent ID: 11862194
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. The data storage system of claim 1, each of the one or more branch metric calculations comprising:, m
    k
   
   =
   
    
     [
     
      
       (
       
        
         y
         k
        
        -
        
         
          s
          ˆ
         
         k
        
       
       )
      
      ⁢
      
       (
       
        1
        -
        
         
          
           ∑
            
          
          
           i
           =
           1
          
          J
         
         ⁢
         
          p
          i
         
         ⁢
         
          D
          i
         
        
       
       )
      
     
     ]
    
    2
   
  
  ,, where mk is the branch metric, yk is the signal input to the estimator, ŝk is the estimated signal, J is a highest order of the applicable noise whitening filter, pi are filter parameters of the applicable noise whitening filter, and D represents a delay corresponding to a bit duration.