get_rsrq
Description:
Get the average reference signal received quality in dB.
Parameters:
| this | 
           a CellInfoLte.  | 
      
Returns:
| 
           the RSRQ, or -%G_MAXDOUBLE if not available.  | 
      
Get the average reference signal received quality in dB.
| this | 
           a CellInfoLte.  | 
      
| 
           the RSRQ, or -%G_MAXDOUBLE if not available.  |