Patent ID: 11916708
Assignee: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 5:
6. The spatial position-dependent modulation method according to claim 4, wherein in S2-5, the I/Q domain high-dimensional mapping adopts the following methods:
a first method:, ξ
     
      j
      ,
      i
     
    
    (
    t
    )
   
   =
   
    
     1
     M
    
    ⁢
    
     
      ξ
      j
     
     (
     t
     )
    
   
  
  ;, and
a second method:, ξ
     
      j
      ,
      i
     
    
    (
    t
    )
   
   =
   
    
     
      1
      M
     
     ⁢
     
      
       ξ
       j
      
      (
      t
      )
     
    
    +
    
     
      n
      i
     
     (
     t
     )
    
   
  
  ,, wherein ni(t) is an ith I/Q domain random offset signal and meets that [n1(t) n2(t) . . . nM(t)]T is located in a solution space of an equation, ∑
    
     i
     =
     1
    
    N
   
   
    
     n
     i
    
    (
    t
    )
   
  
  =
  0.