Patent ID: 11874387
Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. The non-transitory computer-readable medium of claim 7, wherein the elevation of the mobile device is calculated using, E
    
     d
     ⁢
     e
     ⁢
     v
    
   
   =
   
    
     
      
       (
       
        
         
          (
          
           
            P
            0
           
           P
          
          )
         
         
          1
          /
          5.257
         
        
        -
        1
       
       )
      
      ⁢
      
       T
       kelvin
      
     
     
      
       0
       .
       0
      
      ⁢
      0
      ⁢
      6
      ⁢
      5
     
    
    +
    
     E
     
      r
      ⁢
      e
      ⁢
      f
     
    
   
  
  ,, where P is the barometric pressure reading of the mobile device, P0 is the barometric pressure metric of the weather reference point, Tkelvin is the temperature metric in degrees Kelvin of the weather reference point, Eref is the elevation of the weather reference point, and Edev is the elevation of the mobile device.