RFID???????? ?????????????

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RFID?????????????????????

• ???
• ??????????
• http//www.ritii.com/

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RFID???????????????????

• Zigbee??????
• WSN????????
• Bluetooth????????
• ?????(Smart Phone)

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Zigbee??????
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Zigbee??????

• ????????(Low Range)???????(Wireless Network)???
• ???????? IEEE 802.15.4 ?????????? (Wireless
  Personal Area Networks) ???
• ?????(Low Power ? ???(Low Energy
  Consumption)??????

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Zigbee/802.15.4????

• ZigBee?????????,???????ZigBee Alliance???
• ????? IEEE 802.15.4 ??????????(MAC)????(PHY)?
• ??????(Network Topology)?? Star??Tree??Mesh????

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Zigbee????????????

• ??????( Network Roll) ????ZigBee
  ????(Coordinator)? ? ZigBee ???(Router)? ?
  ZigBee????( End Device)????????

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Zigbee??????????

• ??Zigbee Alliance?Tiny OS??

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Zigbee??????

• ?????(Infrared)???????????
• ????2.4GHz - 2.48 GHz?
• ??????????(WPAN,65K)
• ?????(Support Receive/Transmit)
• ???????(Low Data Rate,250Kbps Max)

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Zigbee??????????

• ????????? 2.4 GHz?(868/915 old version)

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Zigbee??????

• ???? ?2.4 GHz-2.48GHz ?
• ???16 ??(Channels)?
• ??/??(Channels) 5 MHz ?

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Zigbee ??????

• Zigbee???????????????
• ??????(Wireless Switching)
• ??????(Wireless Sensor Network)
• Zigbee????????????????
• Zigbee Alliance
• Tiny OS

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IEEE 802.15.4??????

• IEEE 802.15.4 ?????????????????????? (Media
  Access Control , MAC) ??????????????
• Zigbee?????????(MAC/PHY)??IEEE 802.15.4????,????IE
  EE 802.15.4???Zigbee???????(Network)????(Applicati
  on)????????
• IEEE 802.15.4??? CSMA/CA ???????,?????????????????
  ??

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Zigbee Alliance??????

• ?????????????
• ???????,?????????
• ????(Firmware)???C??????????????
• ??????(Protocol Stack)???????,??????
• ZigBee?????????????????(PHY)??????(MAC)????(NWK)??
  ??(APL)??

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Tiny OS ??????

• ?????????(University of California Berkeley)??
• ????????????????
• ???????(Open Source Code)???
• ?Tiny OS ??????????nesC?????
• ??Tiny OS Community (http//www.tinyos.net/)?????

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Tiny OS ??????

• Tiny OS ?????????????????????(PHY)??????(B-MAC)???
  ?????(NWK/DATA LINK)????(APL)/????(APL
  Interface)???
• ?????????? ???(Sink Node) ??????(Sensor Node)????

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WSN????????
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WSN????????

• ????????( Wireless Sensor Network) ?
• ?Zigbee????????????
• ???OS???????(Operation System)?
• ????(Sensor)?????????

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WSN????????

• ??OS??????????(University of California
  Berkeley)?????
• Zigbee Alliance?????WSN?????????

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WSN????????????

• ??????
• ??????
• ????????
• ????????

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Bluetooth????????
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Bluetooth????????

• ?????(low power)????(low cost)????(low
  range)???????,???????????(Wireless Personal Area
  Networks WPAN)?
• ????????????(point to point)?????????(network)???
• ??(Bluetooth) V 2.1EDR??????3 Mbps?? ?
• ??????????IEEE 802?????IEEE 802 .15.1?

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??(Bluetooth)????

• Bluetooth?????????????,????????????(Harald
  Bluetooth)????????(Bluetooth)????????????????,??
  ??????????

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??(Bluetooth)???

• 1994?????????(Ericsson)?????????(Project),????????
  ??????????????,?????????????,????????(Mobile
  Phone)??????(handset?PC cards?desktop
  devices)????????

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??(Bluetooth)????

• ????????????(Data)??,????????(Audio)???
• ????????????????(TDMA)?????
• ??????GFSK(Gaussian Frequency Shift Key)???

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????????(Bluetooth Security)

• ???????????????(encryption)???(decryption)???,????
  ?(Pass Words)???
• ????????????,???????????Link Key,?????????????,???
  Initialization Key,??Key ???????????,???????????
  ?(Address)????????????(PIN CODE) ?????????????????

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????????(Bluetooth Security)

• ??????????Link Key?Link Key ??????????????????,?
  ????????????????,???????????????????Link
  Key,???????????Link Key ?????Unit
  Key?Combination Key ???
• Unit Key????????????????
• Combination Key?????????????????????

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??(Bluetooth)????

• ????????????????(Cable Replacement)?
• ??????????????,??????????RFCOMM?????Serial Port
  ?Profile,????????????????,??RS-232/RS-485?????????
  ????????????????????
• ?????? ???????????(SCO)?????????????,?????????,??
  ????????????????(ACL)??????????, ,??????????

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????(Bluetooth Topology)

• ???????????(Master)??????????????(Slave)??????????
  ???Piconet?
• ??????????Piconet??????????,??? Scatternet ?

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????(Bluetooth Role)

• ???(Master)/?(Slave)???????
• ???????,??????(Master) ?
• ????????????(Role)??????????????????????????
• ??????(Master)/?(Slave)????(Role
  Switching)???????????????,?????????????????

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??IEEE 802.15.1????

• ?????????????????IEEE 802.15????????
• ???????IEEE 802.15.1,?????????????(PHY)??????(MAC)
  ???????
• ??????????????????????????

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????(Bluetooth SIG)

• 1998 ?2??Ericsson(???)?Nokia(???)?IBM?Intel(???)?T
  oshiba(??)??????? ??????????????,?????????????,???
  ??? Bluetooth SIG(Special Interest Group)?
• ?????????????????????????Frontline???

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??????????Bluetooth WPAN

• ??(Bluetooth)??????????????(WPAN)
  ,??????Piconet ? ???? ??
• Piconet???????8??????(Active Slave
  Device)?255??????(Standby Slave Device)?
• ????(Bluetooth) Piconet???????????????????????????
  
• ?????Piconet?????????????????Scatternet ???????

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Bluetooth?????

• ????(Bluetooth)??????????????????,?????????/??????
  
• ????(Bluetooth)??????????????????,????????????????
  
• ????(Bluetooth)????????????????????????,??????????
  ??
• ????(Bluetooth)????????2.4GHZ??????????????

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??(Bluetooth)??????

• Bluetooth 1.0??1999?????(Bluetooth
  SIG)??1.0?????Bluetooth?????,?????2.4GHz????????
  ?
• Bluetooth1.1???????1.0?????????????????
• Bluetooth1.2?? ???????????,???????????????

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??(Bluetooth)??????

• Bluetooth 2.0EDR?? EDR(???)????????????????????
  ???(Audio)????,???????????????(Bluetooth Stereo
  headsets)???
• Bluetooth 2.1EDR???????UWB?????????Bluetooth????
  ????????(ad-hoc)????,???????????,?????????????????
  ?????????????????

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??(Bluetooth)??????

• Bluetooth 3.0EDR?? 2009/04/21,????(Bluetooth
  SIG)????3.0HS (Bluetooth V 3.0HS)??,????Wi-Fi???
  ???802.11 ?(PAL)???,????????3 Mbps (?? 2.1
  EDR)???????????24 Mbps (?? 3.0HS)?
• ???????????,???????????????????????????

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????????(Bluetooth Protocol Stack)

• ??????????Radio?Baseband,Link Manager?L2CAP?HCI?Ap
  plication Framework????
• Radio???????????????
• Baseband????????,?????????????
• Link Manager????Link??????,?????????
• L2CAP???????????????????????????????

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?????????????

• ????(Smart Home)
• ????(Smart Class Room)

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????(Smart Home)????
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RFID?????????????(Smart Class Room)????
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EndQA