???????(NFC)?????

1
???????(NFC)?????

• ????????????
• ???N9490009 ???
• (???? ??? ??)
• ???????
• ??????????????

2
????

• ????
• NFC??
• NFC????
• NFC????
• NFC?????
• ??

3
????

• ???,???????????,????,2005.7
• ???,??????????NFC,DigiTimes 2005.4.25
• Patrick Henzen,??NFC?????????????,??????,
  2006.5.10
• ECMA????,ECMA 340?ECMA 352

4
NFC??
5
NFC??

• NFC (Near Field Communication,???????)????????????
  ???????????
• NFC????????????????????,??????????????????????????
  ????????,??????????,??????????????????????

6
NFC??

• NFC?????????????????????,NFC??????(Enabler)???,???
  ??????NFC????,?????????????,??????????????????????
  ????

NFC????????????
A
B
NFC
7
NFC??
8
NFC??

• NFC?SONY?Philips???????,??????,??????????,????????
  ????????????????????????????????????RFID??????????
  ??????????

9
NFC??

• ??13.56MHz
• ????0-20cm
• ????
• ECMA 356/362
• ISO/IEC 21481 (ECMA 352)
• ISO/IEC 18092 (ECMA 340)
• ????
• 424kbps (??)
• ?Philips MIFARE?Sony Felica ?????

10
NFC????

• ISO/IEC 21481 (ECMA 352)
• ???????????,???????????????13.56MHz???????????????
  ????????????????

• ????,?13.56MHz???????????,ECMA 352???????????

11
NFC????
12
NFC????

• ISO/IEC 18092 (ECMA 340)
• ???????13.56MHz?????
• ??NFC??????????????????????Initiator ?
  Target,Initiator?????????????(???),Target???????
• Target??????????????????,??????????????

13
NFC????

• ??????,Initiator?Target???????????????????????????
  ??????

14
NFC????

• ??????,Initiator?????????Target???Initiator??????,
  ????Initiator???????????

15
NFC????

• ISO/IEC 14443
• ??????????????????????????????????????????????????
  ??????????,?????????????????
• ??????????RF????????????????????

16
NFC????

• ISO/IEC 15693
• ????????????1???????????????????
• ???????????????????????????????????????????

17
NFC????

• ????
• 106kbps?212kbps?424kbps ???
• 846kbps?1695kbps (??)
• ????
• 20cm?????????,??????
• 10cm???????

18
NFC????

• ???? (Amplitude Shift Keying ASK)
• ?????????
• ???????????????????? 1 ? 0
• ???????????????

19
NFC????

• Manchester (Manchester)????
• ???????????????????(???????,????????)

20
NFC????

• Manchester???

21
NFC????

• ????????? (RF Collision Avoidance
  RFCA)????????????,??NFC??????????(??????),????????
  ??????????????
• ????????????(Time Slot)?????

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NFC?????

• Touch and Go?????????????????,???????????????????
  ?????????,??????????????,???????????????????
• Touch and Confirm??????????????,???????????,?????
  ??,??????????????
• Touch and Connect????? NFC ??????,???????????,???
  ??????????????????
• Touch and ExploreNFC ????????????,?????????,??
  NFC ???????????

23
NFC?????

• NFC??
• ??
• NFCSIM
• ????
• ?? 0.3?
• FeliCa 0.1?

24
NFC?????
25
NFC?????
26
??

• NFC??
• ??NFC???NFC?????????????,????????????????

• NFC??
• ????,NFC?????????,??????,???NFC?????????,?????????
  ?????

27
??????