Patent ID: 11949483
Assignee: KONINKLIJKE PHILIPS N.V.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. The method according to claim 1, further comprising quantizing and reporting the combination coefficients per beam of the precoding matrix,
wherein each combining coefficient γp,i,j(l) is a product of three coefficients al,p,i, bl,p,i,j and dl,p,i,j, and is given by:

γp,i,j(l)=al,p,ibl,p,i,jdl,p,i,j,

wherein al,p,i a real-valued coefficient representing a common amplitude across combination coefficients associated with a i-th beam, p-th polarization and 1-th layer,
wherein bl,p,i,j is a real-valued normalized combining-coefficient representing the amplitude associated with the i-th beam, j-th delay vector, p-th polarization and 1-th layer,, wherein, d
      
        l
        ,
        p
        ,
        i
        ,
        j
      
    
    =
    
      exp
      ⁡
      
        (
        
          
            
              
                -
                1
              
            
            ⁢
            2
            ⁢
            π
            ⁢
            n
          
          
            2
            N
          
        
        )
      
    
  
  ;, n ∈ {0,1, . . . , 2N−1}, N ∈ {1,2,3,4} is a coefficient to indicate the phase of γp,i,j(l).