Patent ID: 11902933
Assignee: ZTE CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 8:
9. The method according to claim 4, wherein the step of selecting one polynomial from each equivalence class of the quadratic polynomial set S to determine the set T comprises:
in a case where x2+ax+b in S1 is an irreducible polynomial,, S
    1
    ′
   
   =
   
    {
    
     
      
       x
       2
      
      +
      ax
      +
      b
     
     ,
     
      a
      ∈
      
       F
       q
       *
      
     
     ,
     
      b
      ∈
      
       F
       q
      
     
     ,
     
      
       x
       2
      
      +
      ax
      +
      
       b
       ⁢
       

       is
       ⁢
          
       an
       ⁢
          
       irreducible
       ⁢
          
       polynomial
      
     
    
     
    }
   
  
  ;
 

selecting one polynomial f(x) from each equivalence class of a quadratic polynomial set S1′ and combining the polynomial f(x) with x−1 to form a set T1′ in the following manner:, T
    1
    ′
  
  =
  
    
      {
      
        x
        -
        1
      
      }
    
    ⋃
    
      
        {
        
          
            
              
                x
                2
              
              +
              ax
              +
              
                b
                .
              
            
            ∈
            
              S
              1
              i
            
          
          ,
          
            
              [
              
                
                  x
                  2
                
                +
                ax
                +
                b
              
              ]
            
            ⁢
            
              
            
            ⁢
            are
            ⁢
            
              
            
            ⁢
            equivalence
            ⁢
            
              
            
            ⁢
            classes
            ⁢
            
              
            
            ⁢
            distinct
            ⁢
            
              
            
            ⁢
            to
            ⁢
            
              
            
            ⁢
            each
            ⁢
            
              
            
            ⁢
            other
          
        
        }
      
      .