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System test bed for GALILEO signal definition
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User test bed for GALILEO receiver development
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System test bed for GALILEO signal definition


 
The final design of the GALILEO signals depends on many different influencing factors:
 
 
     
  		•   Interoperability with existing and future GPS signals
         
  		•   Good signal acquisition and tracking characteristics
         
  		•   High resistance against interference and multipath propagation
         
  		•   Low-cost implementation of receivers
     
     
    		Due to the many possible signal options and the variety of ancillary conditions, the final determination of the GALILEO signal specifications is a protracted process. Through the deployment of ground based signal transmitters in a real environment, a variety of different signal options can be tested under authentic conditions. GATE offers the following signal options:
     
     
         
    		•   3 frequencies: L1, E6, E5a,b
         
  		•   Variable Doppler shift on the signal
         
    		•   E5ab broadband signal
         
    		•   Different modulation schemes
         
    		•   Flexible navigation data
         
     

    Beyond the ground based capabilities, GATE will also support the four GALILEO IOV satellites. These satellites provide the user just with short availabilities, usually not enough for positioning. Within the GATE test area, it is ensured that the GALILEO satellites during IOV phase are complemented by the GATE ground signal transmitters, thus enabling full positioning capabilities through combination of IOV and GATE signals in the user receiver.
     
     

    GATE - The first demonstration in Europe of genuine ranging capabilities with
    GALILEO signals with physical signal transmission in a realistic environment.
    A milestone on the path to GALILEO!

     
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    GATE development on behalf of DLR
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    dlr
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    with funding by the BMWi
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    Registration number:
    GATE C/D: 50 NA 0406
    GATE-SKZ: 50 NA 0802