Patent ID: 11936471
Assignee: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The high-dimensional non-orthogonal transmission method according to claim 1, wherein in step 2, the ith dimension of the uth precoding signal is as follows:, α
    i
   
   (
   u
   )
  
  =
  
   
    ∏
    
     k
     =
     1
    
    L
   
   
    exp
    ⁡
    (
    
     
      j
      ⁢
      2
      ⁢
      
       π
       ⁡
       (
       
        
         m
         k
        
        -
        1
       
       )
      
      ⁢
      Δ
      ⁢
      
       
        f
        k
       
       (
       
        u
        -
        1
       
       )
      
      ⁢
      T
     
     U
    
    )
   
  
 

then a uth precoded signal is as follows:, α
   ⁡
   (
   u
   )
  
  =
  
   [
   
    
     
      
       
        
         
          
           
            
             
              α
              1
             
             (
             u
             )
            
           
          
          
           
            
             
              α
              2
             
             ⁢
             
              (
              u
              )
             
            
           
          
         
        
       
       
        
         ⋮
        
       
      
     
    
    
     
      
       
        α
        M
       
       ⁢
       
        (
        u
        )
       
      
     
    
   
   ]
  
 

wherein j represents an imaginary unit, L represents a number of precoding layers, mk represents a kth layer of precoding branch indexes, and a number k of the precoding layers and the kth layer of precoding branch indexes m k satisfy:, 1
  ≤
  
   m
   k
  
  ≤
  
   M
   k
  
 

 
  
   
    m
    L
   
   +
   
    
     ∑
     
      k
      =
      1
     
     
      L
      -
      1
     
    
    
     [
     
      
       (
       
        
         m
         k
        
        -
        1
       
       )
      
      ⁢
      
       
        ∏
        
         l
         =
         
          k
          +
          1
         
        
        L
       
       
        M
        l
       
      
     
     ]
    
   
  
  =
  i
 

 
  
   
    ∏
    
     k
     =
     1
    
    L
   
   
    M
    k
   
  
  =
  M, wherein Mk represents a number of the kth layer of precoding branches, Δfk represents a kth layer of frequency offset and has a value determined in advance, k=1, 2, . . . L, T represents an offset period and has a value as follows:, T
  =
  
   1
   
    g
    ⁢
    c
    ⁢
    
     d
     ⁡
     (
     
      
       Δ
       ⁢
       
        f
        1
       
      
      ,
      
       Δ
       ⁢
       
        f
        2
       
      
      ,
      ⋯
         
      ,
      
       Δ
       ⁢
       
        f
        L
       
      
     
     )
    
   
  
 

wherein gcd(Δf1, Δf2, . . . , ΔfL) represents a greatest common divisor of Δf1, Δf2, . . . , ΔfL.