Patent ID: 11888501
Assignee: NOKIA TECHNOLOGIES OY
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. The apparatus of claim 11, wherein the maximum radiation in the main lobe uses directivity DEUT (L) determined using the following:, D
    
     E
     ⁢
     U
     ⁢
     T
    
   
   (
   
    f
    n
   
   )
  
  =
  
   
    
     
      (
      
       
        λ
        o
       
       
        λ
        n
       
      
      )
     
     2
    
    ⁢
    
     
      D
      
       E
       ⁢
       U
       ⁢
       T
      
     
     (
     
      f
      o
     
     )
    
   
   =
   
    
     
      (
      
       
        f
        n
       
       
        f
        o
       
      
      )
     
     2
    
    ⁢
    
     
      D
      
       E
       ⁢
       U
       ⁢
       T
      
     
     (
     
      f
      o
     
     )
    
   
  
 

where DEUT(f0) is directivity of the operating frequency f0, λ0 is a wavelength of f0, and λn is a wavelength of the neighboring frequency fn.