Patent ID: 11943017
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. The apparatus according to claim 14, wherein t≥2, and a non-zero singular value obtained through SVD on the channel matrix and a diagonal element in a diagonal matrix obtained through SVD on the channel matrix meet the following condition:, 
  
   {
   
    
     
      
       
        
         λ
         1
        
        >
        
         σ
         1
        
       
      
     
     
      
       
        
         λ
         2
        
        <
        
         σ
         2
        
        <
        
         
          
           λ
           1
          
          ⁢
          
           λ
           2
          
         
         
          σ
          1
         
        
       
      
     
     
      
       ⋮
      
     
     
      
       
        
         λ
         
          t
          -
          1
         
        
        <
        
         σ
         
          t
          -
          1
         
        
        <
        
         
          
           λ
           1
          
          ⁢
          
           λ
           2
          
          ⁢
             
          …
          ⁢
             
          
           λ
           
            t
            -
            1
           
          
         
         
          
           σ
           1
          
          ⁢
          
           σ
           2
          
          ⁢
             
          …
          ⁢
             
          
           σ
           
            t
            -
            1
           
          
         
        
       
      
     
    
    ,, wherein
λk is a kth non-zero singular value obtained through SVD on the channel matrix, σk is Akθ, and i≤k≤t≤K.