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

Claim 5:
6. The method according to claim 5, wherein the step of constructing the binary periodic sequence cluster according to the set T comprises:
constructing a binary periodic sequence cluster 1 from the generator γ and the set T1 in the following manner:, ℱ
        1
      
      =
      
        {
        
          
            s
            f
          
          ,
          
            
              f
              ⁡
              
                (
                x
                )
              
            
            ∈
            
              T
              1
            
          
        
        }
      
    
    ;
  

  
    
      
        s
        f
      
      =
      
        {
        
          
            η
            ⁡
            
              (
              
                f
                ⁡
                
                  (
                  1
                  )
                
              
              )
            
          
          ,
          
            η
            ⁡
            
              (
              
                f
                ⁡
                
                  (
                  γ
                  )
                
              
              )
            
          
          ,
          …
          ⁢
          
            
          
          ,
          
            η
            ⁡
            
              (
              
                f
                ⁡
                
                  (
                  
                    γ
                    
                      q
                      -
                      2
                    
                  
                  )
                
              
              )
            
          
        
        }
      
    
    ;
  

  
    
      η
      ⁡
      
        (
        α
        )
      
    
    =
    
      {
      
        
          
            
              1
              ,
            
          
          
            
              if
              ⁢
              
                
              
              ⁢
              α
              ⁢
              
                
              
              ⁢
              is
              ⁢
              
                
              
              ⁢
              a
              ⁢
              
                
              
              ⁢
              nonzero
              ⁢
              
                
              
              ⁢
              square
            
          
        
        
          
            
              -
              1.
            
          
          
            
              if
              ⁢
              
                
              
              ⁢
              α
              ⁢
              
                
              
              ⁢
              is
              ⁢
              
                
              
              ⁢
              a
              ⁢
              
                
              
              ⁢
              non
              ⁢
              
                -
              
              ⁢
              square
            
          
        
        
          
            
              0
              ,
            
          
          
            
              
                if
                ⁢
                
                  
                
                ⁢
                α
              
              =
              0
            
          
        
      
    
  

where η is a quadratic multiplicative character from Fq to C*, C is a complex number set excluding 0, and α is any element in Fq*.