Patent ID: 11956045
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. The method according to claim 16, wherein the maximum antenna gain is expressed using the following formula:, E
    ⁡
    (
    
     θ
     ,
     φ
    
    )
   
   =
   
    
     ∑
     
      m
      =
      0
     
     
      Nx
      -
      1
     
    
     
    
     
      ∑
      
       k
       =
       0
      
      
       Ny
       -
       1
      
     
      
     
      
       I
       ⁡
       (
       
        m
        ,
        k
       
       )
      
      ⁢
      
       e
       
        j
        ⁢
        γ
        ⁢
        mk
       
      
      ⁢
      
       e
       
        jk
        ⁡
        (
        
         
          
           2
           ⁢
           π
          
          λ
         
         ⁢
         
          
           d
           y
          
          (
          
           
            sin
            ⁢
            θ
            ⁢
            cos
            ⁢
            φ
           
           -
           
            sin
            ⁢
            
             θ
             0
            
            ⁢
            cos
            ⁢
             
            
             φ
             0
            
           
          
          )
         
        
        )
       
      
      ⁢
      
       e
       
        jm
        ⁡
        (
        
         
          
           2
           ⁢
           π
          
          λ
         
         ⁢
         
          
           d
           x
          
          (
          
           
            sin
            ⁢
            θ
            ⁢
            sin
            ⁢
            φ
           
           -
           
            sin
            ⁢
             
            
             θ
             0
            
            ⁢
            sin
            ⁢
             
            
             φ
             0
            
           
          
          )
         
        
        )
       
      
     
    
   
  
  ,
 

wherein θ is a vertical plane antenna tilt angle, φ is the horizontal azimuth, θ0 is the suppression angle, φ0 is the horizontal plane suppression angle, Nx is a quantity of array element rows, Ny is a quantity of array element columns, I(m, k) is an amplitude weight of an array element in an mth row and a kth column, and ejγmk is a phase weight of the array element in the mth row and the kth column;, 2
    ⁢
    π
   
   λ
  
  ⁢
  
   d
   x
  
  ⁢
  sin
  ⁢
  θ
  ⁢
  cos
  ⁢
  φ
 

is the radiation field phase difference between two adjacent array element rows;, 2
    ⁢
    π
   
   λ
  
  ⁢
  
   d
   x
  
  ⁢
  sin
  ⁢
  
   θ
   0
  
  ⁢
  sin
  ⁢
  
   φ
   0
  
 

is the current excitation phase difference between two adjacent array element rows;, 2
    ⁢
    π
   
   λ
  
  ⁢
  
   d
   x
  
  ⁢
  sin
  ⁢
  θ
  ⁢
  cos
  ⁢
  φ
 

is the radiation field phase difference between two adjacent array element columns; and, 2
    ⁢
    π
   
   λ
  
  ⁢
  
   d
   x
  
  ⁢
  sin
  ⁢
  θ
  ⁢
  cos
  ⁢
  φ
 

is the current excitation phase difference between two adjacent array element columns.