Patent ID: 11870735
Assignee: MEDIATEK SINGAPORE PTE. LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 19:
20. The apparatus of claim 14, wherein generation of the distributed-tone RU is expressed as one of:, K
        
          t
          ⁢
          d
        
      
      =
      
        
          R
          ⁢
          
            
              U
              
                s
                ⁢
                t
                ⁢
                a
                ⁢
                r
                ⁢
                t
              
            
            ⁡
            
              (
              r
              )
            
          
        
        +
        
          j
          *
          
            D
            
              t
              ⁢
              d
            
          
        
      
    
    ,
    
      

    
    ⁢
    
      
        K
        
          t
          ⁢
          d
        
      
      =
      
        
          R
          ⁢
          
            
              U
              
                s
                ⁢
                t
                ⁢
                a
                ⁢
                r
                ⁢
                t
              
            
            ⁡
            
              (
              r
              )
            
          
        
        +
        
          
            j
            ⋆
          
          ⁢
          
            D
            
              t
              ⁢
              d
            
          
        
        +
        
          
            ⌊
            
              
                
                  
                    RU
                    start
                  
                  ⁡
                  
                    (
                    r
                    )
                  
                
                -
                1
              
              
                D
                td
              
            
            ⌋
          
          ⋆
          
            N
            
              s
              ⁢
              e
              ⁢
              g
            
          
        
      
    
    ,
    or
  

  
    
      
        K
        
          t
          ⁢
          d
        
      
      =
      
        
          R
          ⁢
          
            
              U
              
                s
                ⁢
                t
                ⁢
                a
                ⁢
                r
                ⁢
                t
              
            
            ⁡
            
              (
              r
              )
            
          
        
        +
        
          j
          *
          
            D
            
              t
              ⁢
              d
            
          
        
        +
        
          
            ⌊
            
              j
              
                N
                psf
              
            
            ⌋
          
          ⋆
          
            N
            tsf
          
        
      
    
    ,, and
wherein:
RUstart(r) denotes a first or starting tone index for the distributed-tone RU,
j=0, 1, 2, . . . , Nst−1,
r denotes a logical RU index, with r=1, 2, 3, . . . , Nru,
Dtd denotes a tone separation distance,
Nru denotes the number of logical RUs of the logical RU size within the bandwidth,
Nst denotes the total number of subcarriers including both data tones and pilot tones corresponding to the logical RU size,
Nseg denotes a frequency segment size, with Nseg=484 or 996,
Npsf denotes a periodicity of tone shift, and
Ntsf denotes a number of tones per shift.