Patent ID: 11917544
Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 14:
15. The method according to claim 9, wherein, detecting the power saving signal sent by the base station comprises:
utilizing a normalized cross-correlation function to perform correlation detection on a target binary sequence x and a multi-level detection signal y obtained by detecting, in a radio frequency domain, the power saving signal sent by the base station, wherein the normalized cross-correlation function ρ(x,y) is:, ρ
   ⁡
   (
   
    x
    ,
    y
   
   )
  
  =
  
   
    
     T
     N
    
    ⁢
    
     
      ∑
       
     
     
      i
      =
      1
     
     N
    
    ⁢
    
     (
     
      1
      -
      
       2
       ⁢
       
        x
        i
       
      
     
     )
    
   
   -
   
    
     2
     N
    
    ⁢
    
     
      ∑
       
     
     
      i
      =
      1
     
     N
    
    ⁢
    
     (
     
      1
      -
      
       2
       ⁢
       
        x
        i
       
      
     
     )
    
    ⁢
    
     y
     i
    
   
  
 

wherein the target binary sequence is x=[x1, x2, . . . xN], xi∈{0,1};, the multi-level detection signal y=[y1 y2, . . . yN]; T is the number of binary sequences superposed in the multi-level detection signal.