Patent ID: 11863363
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The wireless communication receiver of claim 1, wherein:
said group cyclic shift de-multiplexing performed by said discrete Fourier transform unit includes:, Y
   =
   
    
     F
     
      
       N
       
        S
        ⁢
        R
        ⁢
        S
       
      
      ⁢
      N
     
    
    ⁢
    r
   
  
  ⁢
  

  
   y
   =
   
    
     F
     
      N
      
       S
       ⁢
       R
       ⁢
       S
      
     
     
      -
      1
     
    
    ⁢
    
     diag
     ⁡
     (
     
      
       X
       *
      
      ⁢
      
       Y
       T
      
     
     ), where: FNSRSN is a NSRS by N matrix corresponding to an N-point Fourier transform and NSRS sub-carriers de-mapping; and FNSRS is a NSRS by NSRS matrix, thereby producing for each SRS comb a concatenated Channel Impulse Response sequence y of all wireless communication receives multiplexed on a same root sequence.