STR4500

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					                                         STR4500

                                    Introducing SimPLEX45


Proprietary & Confidential—Page 1
STR4500

 The STR4500 GPS Simulator has been designed as
  precision test equipment for evaluating GPS/SBAS receiver
  equipment to include the following areas:
    Design verification
    Production test in manufacturing
    Comparative evaluation
    Statistical data-generation through extended and repeated tests
    Incoming product test




               유니텍 커뮤니케이션 ㈜        http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                                Proprietary & Confidential—Page 2
STR4500 Typical Set up

                                                            HIGH LEVEL RF
                                                             CAL OUTPUT
                                        TRIGGER IN                                10MHz EXT REF IN/OUT


                                1PPS IN/OUT
                                                                                           AC LINE INPUT




                                                                                             STR4500
                                                                                      GPS SIGNAL GENERATOR
                               USB




                                                                    RF
                                RS232 RTCM-SC104
                              Differential Corrections




               RS232 Data Capture                                               GPS RECEIVER UNDER TEST
                  NMEA-0183


              유니텍 커뮤니케이션 ㈜                     http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                                            Proprietary & Confidential—Page 3
STR4500 Hardware Capability

 12 independent channels of GPS/SBAS L1 C/A code
     Assignment of channels to GPS or SBAS is scenario
      dependent
 The primary output provides RF at the ICD-GPS-200
  specified levels (-130dBm)
     variable over a range of +15dB to –20dB in 0.5dB increments
 External Connections
     USB interface to PC Controller
     10, 5 or 1MHz external reference input (10MHz ref output)
     1PPS In/Out
     Trigger in
 Auto-sense AC power




                     유니텍 커뮤니케이션 ㈜            http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                                          Proprietary & Confidential—Page 4
STR 4500 SimPLEX

   No test definition capability
        Select from Pre-defined scenarios
        New scenarios via Internet
   Some Interactivity
        Level control
        Satellite range error
   Ephemeris data source for A-GPS easily available
   Graphical feedback of sim data
        SimPLEX software for Windows
   Remote Control standard option




                 유니텍 커뮤니케이션 ㈜         http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                                   Proprietary & Confidential—Page 5
NEW SOFTWARE - SimPLEX45
 SimPLEX45 *
    As SimPLEX plus…
    Define and edit scenarios
         Start time and Date
         Position
         Vehicle motion
    Import constellation data




                      * Preliminary data subject to change.




                     유니텍 커뮤니케이션 ㈜          http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                                        Proprietary & Confidential—Page 6
Software GUI (SimPLEX45 shown)



     Scenario Editor
     Button new for
      SimPLEX45




             유니텍 커뮤니케이션 ㈜   http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                         Proprietary & Confidential—Page 7
SimPLEX vs SimPLEX45
Scenario Control



   Function                                           SimPLEX               SimPLEX45
   Scenario creation / editing                                                      
   Store scenario in SimPLEX form                                                   
   Change date, time, week, TOW                                                     
   Replay pre-defined scenario                                                     
   Change power dynamically                                                        
   User Actions (record and replay)                                                
   Remote control operation                                                        
                                                          (simple)               (simple)




                       유니텍 커뮤니케이션 ㈜   http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                                   Proprietary & Confidential—Page 8
SimPLEX vs SimPLEX45
Ground Segment and Space Segment Modelling




    Function                                          SimPLEX              SimPLEX45
    Import constellation (YUMA)                                                     
    Pseudorange ramps                                                              
    GPS L1, L2, L5 SBAS; GBAS                      GPS L1/SBAS only        GPS L1/SBAS only




                     유니텍 커뮤니케이션 ㈜   http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                                 Proprietary & Confidential—Page 9
SimPLEX vs SimPLEX45
Propagation Modelling




     Function                                          SimPLEX              SimPLEX45
     Select Atmospheric model                                                       
     Terrain obscuration model                                                      
                                                                                 (simple)




                      유니텍 커뮤니케이션 ㈜   http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                                 Proprietary & Confidential—Page 10
SimPLEX vs SimPLEX45
User Segment and Vehicle Modelling



    Function                                                     SimPLEX              SimPLEX45
    Antenna Gain pattern editor                                                               
    Antenna pattern switching                                                                  
    User motion from file (e.g. logged NMEA)                                                   
    RTCM output via RS232                                                                     




                     유니텍 커뮤니케이션 ㈜              http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                                           Proprietary & Confidential—Page 11
SimPLEX vs SimPLEX45
Results Analysis




    Function                                                SimPLEX               SimPLEX45
    DUT data logging (NMEA via RS232)                                                    
    Simulated truth-data export to file                     Vehicle motion         Vehicle motion




                      유니텍 커뮤니케이션 ㈜        http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                                      Proprietary & Confidential—Page 12
Availability

 SimPLEX
   STR4500 12 Channel GPS/SBAS Constellation Simulator
   STR4500 and SimPLEX available now
 SimPLEX45
   STR4500 12 Channel GPS/SBAS Constellation Simulator
   First delivery July 2007
        Available as an upgrade to existing STR4500’s




                유니텍 커뮤니케이션 ㈜         http://unitekcom.co.kr Tel: 02-3473-5844, Fax: 02-3473-4468,
                                                                                 Proprietary & Confidential—Page 13
                                     Questions?




Proprietary & Confidential—Page 14

				
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