Patent ID: 11936468
Assignee: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The spatial position-dependent I/Q domain modulation method according to claim 1, wherein in S3, a specific process of the I/Q domain matching operation is as follows:, s
     ^
    
    0
   
   (
   t
   )
  
  =
  
   
    
     [
     
      
       
        
         
          α
          1
          *
         
         (
         t
         )
        
       
       
        
         
          α
          2
          *
         
         ⁢
         
          (
          t
          )
         
        
       
       
        …
       
       
        
         
          α
          M
          *
         
         ⁢
         
          (
          t
          )
         
        
       
      
     
     ]
    
    [
    
     
      
       
        
         
          x
          ^
         
         1
        
        (
        t
        )
       
      
     
     
      
       
        
         
          x
          ^
         
         2
        
        ⁢
        
         (
         t
         )
        
       
      
     
     
      
       ⋮
      
     
     
      
       
        
         
          x
          ^
         
         M
        
        ⁢
        
         (
         t
         )
        
       
      
     
    
    ]
   
   =
   
    
     ∑
     
      i
      =
      1
     
     M
    
     
    
     
      
       α
       i
       *
      
      (
      t
      )
     
     ⁢
     
      
       
        x
        ^
       
       i
      
      (
      t
      )
     
    
   
  
 

wherein {circumflex over (x)}(t)=[{circumflex over (x)}1(t) {circumflex over (x)}2(t) . . . {circumflex over (x)}M(t)]T represents an I/Q domain initial received signal, a superscript T represents transposition,, α
     i
     *
    
    (
    t
    )
   
   =
   
    
     ∏
     
      m
      =
      1
     
     L
    
      
    
     exp
       
     [
     
      j
      ⁢
      2
      ⁢
      
       π
       ⁡
       (
       
        
         k
         m
        
        -
        1
       
       )
      
      ⁢
      Δ
      ⁢
      
       f
       m
      
      ⁢
      t
     
     ]
    
   
  
  ,
 

 * represents conjugation, and ŝ0(t) represents an estimate for the original signal.