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EPC Standards

EPC Standards. EPC System elements ： EPC Coding structure The reader/ tag Protocols Savant platform The Object Numbering Service (ONS) PML server. EPC Standards (cont.). UPC = U niversal P roduct C ode a unique code for every group of objects

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EPC Standards

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  1. EPC Standards EPC System elements： • EPC Coding structure • The reader/ tag Protocols • Savant platform • The Object Numbering Service (ONS) • PML server

  2. EPC Standards (cont.) • UPC = Universal Product Code • a unique code for every group of objects • enables user such as supermarkets to identify every product • two cans of Nestlé coffees have the same UPC

  3. EPC Standards (cont.) • EPC = Electronic Product Code next generation barcode coding scheme to electronically identify consumer goods • vision: enable the automated, unique identification of tagged objects developed by EPCglobal (EAN, UCC) EPC consists of :UPC + serial number = 96 bits

  4. EPC Infrastructure

  5. EPC Infrastructure (cont.)

  6. EPC Tag - 5 classes

  7. ISO 18000 vs EPC • ISO 18000-6 and EPC, both specify UHF frequencies • ISO 18000-6 specifies Air Interface protocol without considering basic structures such as network technology and IT platforms etc. • ISO 18000-6 and EPC Tags will be compatible in the long run. 。

  8. Tags available HF Tags – 13.56 MHz UHF Tags – 860 to 960 MHz • ISO 15693 • ISO 14443 A • ISO 14443 B • ISO 18000 P3 • EPC HF • EPC Class 0/0+ • EPC Class 1 • EPC Class 1 Gen 2 • ISO 18000-6 • U-Code 1.19

  9. Typical UHF tags EPC Class 1 • IC Properties   -    96 bit EPC R/W   -    UHF frequencies from 860MHz to 960MHz   -    Data transfer rate            - To the tag 15 to 70 kbits/s            - From the tag 30 to 140kbit/s   -    More than 10 000 write/erase cycles   -    40 year data retention   -    Kill command

  10. Typical UHF tags (cont.) Philips U-Code EPC 1.19 • IC Properties   -    Memory            - Supports 64 bit and 96 bit EPC            - 256 bit user memory            - persistent ID flag   -    UHF frequencies from 860MHz to 960MHz   -    Data transfer rate            - Reader to tag 40kbits/s            - Tag to reader 40kbits/s to 160kbits/s            - depending on the regulatory area and amount of tags in reader field

  11. Class 1 Gen 2 vs Class 1 Gen 1

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