Patent ID: 11892555
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 9:
10. The apparatus of claim 9, wherein a ratio between the duration of the first passive phase and the duration of the first active phase is, t
     p
    
    (
    1
    )
   
   
    
     t
     a
    
    (
    1
    )
   
  
  ,
  
   
    and
    ⁢
       
    
     
      
       t
       p
      
      (
      1
      )
     
     
      
       t
       a
      
      (
      1
      )
     
    
   
   ≥
   
    [
    
     
      α
      ⁢
      r
     
     -
     
      (
      
       1
       -
       α
      
      )
     
    
    ]
   
  
  ,, where tp(1) is the duration of the first passive phase, ta(1) is the duration of the first active phase, r is a ratio between the first detectable distance and the second detectable distance, and α is the threshold value.