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

Claim 3:
4. The method according to claim 3, 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.