Patent ID: 11936508
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 14:
15. The apparatus of claim 9, wherein the received OFDM signal is a physical random-access channel (PRACH) signal defined by a time-continuous signal sl(p,μ)(t) on antenna port p and the first subcarrier spacing of the first numerology μ, for OFDM symbol l in a subframe, the time-continuous signal sl(p,μ)(t) further defined by:, s
     l
     
      (
      
       p
       ,
       μ
      
      )
     
    
    (
    t
    )
   
   =
   
    
     ∑
     
      k
      =
      0
     
     
      
       L
       RA
      
      -
      1
     
    
    
     
      
       a
       
        k
        ,
        l
       
       
        (
        
         p
         ,
         RA
        
        )
       
      
      ·
      
       e
       
        j
        ⁢
        2
        ⁢
        
         π
         ⁡
         (
         
          k
          +
          
           Kk
           1
          
          +
          
           k
           _
          
         
         )
        
       
      
     
     ⁢
     Δ
     ⁢
     
      
       f
       RA
      
      (
      
       t
       -
       
        
         N
         
          CP
          ,
          l
         
         RA
        
        ⁢
        
         T
         c
        
       
       -
       
        t
        start
        RA
       
      
      )
     
    
   
  
  ⁢
  

  
   K
   =
   
    Δ
    ⁢
    
     f
     /
     Δ
    
    ⁢
    
     f
     RA
    
   
  
  ⁢
  

  
   
    k
    1
   
   =
   
    
     k
     0
     μ
    
    +
    
     
      N
      
       BWP
       ,
       i
      
      start
     
     ⁢
     
      N
      sc
      RB
     
    
    +
    
     
      n
      RA
      start
     
     ⁢
     
      N
      sc
      RB
     
    
    +
    
     
      n
      RA
     
     ⁢
     
      N
      RB
      RA
     
     ⁢
     
      N
      sc
      RB
     
    
    -
    
     
      N
      grid
      
       size
       ,
       μ
      
     
     ⁢
     
      
       N
       sc
       RB
      
      /
      2.