Patent ID: 11909479
Assignee: NEC CORPORATION
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. The system of claim 15, wherein a beamforming vector is defined as:, c
  =
  
   [
   
    
     c
     
      0
      ,
      0
     
    
    ,
    …
       
    ,
    
     c
     
      0
      ,
      
       M
       
        h
        -
        1
       
      
     
    
    ,
    
     c
     
      1
      ,
      0
     
    
    ,
    …
       
    ,
    
     c
     
      M
      
       
        v
        -
        1
       
       ,
       
        M
        
         h
         -
         1
        
       
      
     
    
   
   ]
  
 

wherein values of phase shift θk and attenuation value βk for the kth elements of the RIS are found by using corresponding beamforming coefficient ck and a value of the kth element of directivity vector dM{Ω1} for any receive incident solid angle Ω1.