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

Claim 4:
5. The spatial position-dependent modulation method according to claim 4, wherein in S2-2, the phase domain high-dimensional mapping adopts the following methods:
a first method:, ∠
    ⁢
    
     
      s
      j
     
     (
     t
     )
    
   
   =
   
    
     1
     N
    
    ⁢
    ∠
    ⁢
    
     
      s
      0
     
     (
     t
     )
    
   
  
  ;, and
a second method:, ∠
    ⁢
    
     
      s
      j
     
     (
     t
     )
    
   
   =
   
    
     
      1
      N
     
     ⁢
     ∠
     ⁢
     
      
       s
       0
      
      (
      t
      )
     
    
    +
    
     
      θ
      j
     
     (
     t
     )
    
   
  
  ,, wherein is θj(t) is a jth phase domain random offset signal and meets that [θ1(t) θ2(t) . . . θN(t)]T is located in a solution space of an equation, ∑
    
     j
     =
     1
    
    N
   
   
    
     θ
     j
    
    (
    t
    )
   
  
  =
  0.