DARPATech '99 Digital Radio Frequency Tags by wgv13363

VIEWS: 4 PAGES: 11

									                         T TO
                        Tactical Technology Office




  DARPATech ‘99
       Digital
Radio Frequency Tags
     Dr. David Fields
      DARPA TTO

        June 1999
                                     T TO
                                    Tactical Technology Office




       Vision
                           TEL
                       (LAT,LONG)
            UGS


UGS
               PILOT
              (LAT,LONG)
            CSAR


CSAR      •Situational
           Understanding
          •Secure Comms
                                                             T TO
       Concept                                              Tactical Technology Office




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                                • Info via Signal Modulation
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                                                Tag


SAR Image                                  Tag Image



                                               ID=###
                                               (LAT,LONG)
                                  T TO
                                 Tactical Technology Office




      Mission Areas
• Unattended Ground Sensors (UGS)
  Connectivity
• Blue / Coalition Force Monitoring
• Combat Search and Rescue /
  Special Operations
                                                                               T TO
  UGS Connectivity                                                            Tactical Technology Office




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• UGS Enhance Situational Awareness
• But…Clear Line-of-Sight Comms Needed
                                     T TO
  Blue/Coalition Force Monitoring
                                    Tactical Technology Office




                     •Friendly
                      Situational
                      Awareness
Joint STARS Image
Joint STARS Image


                     •Minimize
                      Fratricide
                                                                    T TO
   Technical Challenges
                                                                   Tactical Technology Office




                            •Dual Polarity X-Band
Antenna       Antenna       •Nearly Omni-Directional
                            •Small w/ Isolation        Helical Antenna

Up-Convert   Down-Convert
                            •20 Gs/s @ 4 bits
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              Digital       •Required Versatility
              Delay         •Low Power (< 1 W/GOP)
               and          •Low Cost
             Modulator      •Small Size
                                                                Digital
                                                                                                              T TO
             Technical Challenges
                                                                                                             Tactical Technology Office




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                                                                                                   T TO
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   Additional Challenges
• Frequency                                  
                                                  
                                                  
                                             
  Coverage                                                                   3HUIRUPDQFH RI
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• Decoding



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                                                                                 T TO
                                                                                Tactical Technology Office




      Program Schedule
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          3'5
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                                           T TO
   Summary / Conclusions
                                          Tactical Technology Office




                                         TEL
                                     (LAT,LONG)
                          UGS

Enhanced Understanding
                             PILOT
 of Blue and Red Forces     (LAT,LONG)
                          CSAR

								
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