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Ppts for Rfid Technology

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					Challenges in the networked
           RFID
in 2008 EU-Japan Cooperation Forum on ICT Research

                    March 5, 2008

                      Jin Mitsugi
Associate Professor, Keio University Graduate School for
                Media and Governance
     Associate Director, Auto-ID Laboratory, Japan
                                                           1
                                  networked RFID
   EPCglobal network
EPCglobal core services
                                             Tag
 Subscriber     EPCIS ONS         Mngr
                                             Data
Authentication Discovery Root Num Assignment
                                           Schema             ISO/IEC 15961
                                    Partner
EPCglobal subscriber                EPCglobal subscriber
       EPC IS                               EPC IS
                       Local      ONS Accessing application
 Accessing application ONS

  EPCIS Query Interface
          EPC IS
         Repository
  EPCIS Capturing Interface
         EPC IS                                HW/SW Role
   Capturing application


         ALE Interface                            Interface

     Filtering & Collection


         Reader Interface
                              Reader          Reader
            Reader
                              Management    Management

          Air Protocol
          TDS

           RF Tag

                                                                              2
Beyond the supply chain management
     single tag, multiple usages


          RFID hardware                      RFID software

      Automatic identification             Information sharing




SCM     CRM          Anti-counterfeit   Product safety       Recycle/Reuse



           Life cycle information management                            3
                      Challenges
• End-user involvement
   – Interaction with product information
   – Security
   – Data ownership

• Generalized network architecture
   –   Integration with sensor networking technology
   –   User-specific data in RFID tag
   –   Service discovery
   –   Open software/ hardware for engineering and education

• Advanced technology
   – Location technology
   – Low cost production
   – Long term frequency and standardization planning          4
   Interaction with product lifecycle information
                   Recorder tag
This product
experiences 5
 overheats in
 one month.



                        Reader/writer             RFID chip stores
                                                  ・Manufacturing related data
                                                  ・Distribution related data
                                                  ・important usage related data      Warranty will be
                                   RF interface                                       expired within
                                                                                         10days.

                                                           read/write with wired
                read/write with                            communication
                passive wireless
                                                                        Micro
                communication
                                                                      controller


          Repair                        Recorder tag PCB


                                                              consumer electronics

                                                                                        End user        5
Laboratory model recorder tag

Antenna               Passive tag chip

                                         Challenges
                                         ・Readability of PCB recorder tag
      controller                         ・Tag data structure, Memory schema resolver
                                         ・Data security
                                         ・Baseband communication interface

serial interface to consumer product




                                                                              6
  User specific data in networked RFID
                    Capturing
                                             Repository   Application
                   Application
                                  Objectdata

                Filter & Collection                Mapping the logical
                   Logical Memory                  memory to the
                                                   physical memory.
                                  Raw data
                Reader/writer
Data security

                                  Raw data
                Tag
                                                  Efficient data
                                                  communication.
                            UII

                       User Specific
                           Data

                                                                        7
      Long term RFID regulatory and
         standardization planning
                 UHF band RFID spectrum allocations in the world
                                   GSM↑                              GSM↓

                 ETSI:865-868MHz(ERP=2W, 865.6-867.6MHz)

             US:902-928MHz(EIRP=4W)

                                         Japan: 950-956MHz(experimental)
                                                      Japan: 952 955MHz
                                                                                 Aeronautical
                Australia:915-928MHz(EIRP 1W)
                                          4W)                                    Radionavigation


                                                       908.5-914MHz
                                                Korea: 908.5-914MHz(announced)

                 An APT country:923-925MHz(planned)
                  China: 840.5-844.5, 920.5-924.5MHz

850    860    870    880    890    900    910    920    930    940    950   960            1215
                                                                                           (MHz)



                                                                                          8

				
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