Patent ID: 11962357
Assignee: GENERAL TEST SYSTEMS INC.
Field: Telecommunications (Electrical engineering)
Classification: CPC H  G | IPC H

Claim 4:
5. The method according to claim 1, wherein when the DUT is a 2×2 MIMO wireless terminal, the propagation channel matrix is:, A
  =
  
   [
   
    
     
      
       
        a
        
         1
         ⁢
         1
        
       
       ⁢
       
        e
        
         j
         ⁢
         
          φ
          11
         
        
       
      
     
     
      
       
        a
        
         1
         ⁢
         2
        
       
       ⁢
       
        e
        
         j
         ⁢
         
          φ
          12
         
        
       
      
     
    
    
     
      
       
        a
        21
       
       ⁢
       
        e
        
         j
         ⁢
         
          φ
          21
         
        
       
      
     
     
      
       
        a
        
         2
         ⁢
         2
        
       
       ⁢
       
        e
        
         j
         ⁢
         
          φ
          
           2
           ⁢
           2
          
         
        
       
      
     
    
   
   ]
  
 

axy represents an amplitude change from a y-th transmitting antenna of the DUT to an x-th testing antenna, φxy represents a phase change from the y-th transmitting antenna of the DUT to the x-th testing antenna, A represents the propagation channel matrix.