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Zigbee????????

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Zigbee Zigbee Alliance\IEEE802.15.4 (PHY)-IEEE802.15.4 (MAC)-IEEE802.15.4 ... – PowerPoint PPT presentation

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Title: Zigbee????????


1
Zigbee????????
2
??
  • Zigbee Alliance\IEEE802.15.4
  • ???????????
  • ???(PHY)-IEEE802.15.4
  • ?????(MAC)-IEEE802.15.4
  • Zigbee???
  • Zigbee???
  • Zigbee????

3
Zigbee Alliance\IEEE 802.15.4
  • Zigbee???????,?????????????,???????????????
    ??????,Zigbee????????,?A??????????B???
  • Zigbee?????????????????????
  • ???Zigbee IEEE802.15.4??,??????(PHY)
    ,???????(MAC) ?
  • ????Zigbee Alliance ??????,??????(Network Layer
    NWK) ,???(Security Layer) ,???(Application Layer)
    ?

4
  • Zigbee????????

5
ZigBee/IEEE802.15.4????
6
  • Zigbee Alliance\IEEE 802.15.4
  • IEEE 802.15.4 ???????????
  • ???(PHY)-IEEE802.15.4
  • ?????(MAC)-IEEE802.15.4
  • Zigbee???
  • Zigbee???
  • Zigbee????

7
IEEE 802.15.4 ???????????
  • ???IEEE 802.15.4?????,?????????????
  • ?????(Full-Function DeviceFFD)
  • FFD?????????????????
  • ?????(Reduced-Function DeviceRFD)
  • RFD?????????????FFD???FFD???????RFD???????????????
    ??????

8
  • IEEE 802.15.4?????,????????
  • ?????????(PAN ???)?????????,????????,???????????,
    PAN ?????FFD???
  • ?????????????????,??????????????,??????????,???
    FFD???
  • ???(Device)?????????????End Device????????????,??
    RFD?FFD

9
  • ???IEEE 802.15.4?????,?????????????
  • ?????(Full-Function DeviceFFD)
  • FFD?????????????????
  • ?????(Reduced-Function DeviceRFD)
  • RFD?????????????FFD???FFD???????RFD???????????????
    ??????

10
IEEE 802.15.4?????
????
?????
11
  • Zigbee Alliance\IEEE 802.15.4
  • IEEE 802.15.4 ???????????
  • ???(PHY)-IEEE802.15.4
  • ?????(MAC)-IEEE802.15.4
  • Zigbee???
  • Zigbee???
  • Zigbee????

12
??? (PHY) - IEEE 802.15.4
  • ZigBee????????????
  • ZigBee??????????,??????????????,???2.4
    GHz?868/915 MHz?
  • IEEE 802.15.4??????????,???2.4 GHz????868/915
    MHz????
  • ??????????????(DSSS,Direct Sequence Spread
    Spectrum)???

13
ZigBee????????
???? ????,MHz ????,MHz ????,MHz ????,MHz
K-0 868.3 868.6 868.0
K-1,2,3,,10 9062(K-1) 2 928.0 902.0
K-11,12,13,,26 24015(K-11) 5 2483.5 2400.0

14
(No Transcript)
15
  • 2.4GHz???????,??????????ISM??,???zigbee?????????
  • 2.4G??????
  • 250Kbps???????,???????????????,??????

16
  • ??????????????????????????????
  • ?????????????????
  • ?????????(PHY data service)
  • ????????????(PD-SAP,Server Access
    Point)???????????
  • ???????(PHY management service)
  • ?????????(PLME)??????(PLME-SAP)???????????

17
IEEE 802.15.4???????
18
  • Zigbee Alliance\IEEE 802.15.4
  • IEEE 802.15.4 ???????????
  • ???(PHY)-IEEE802.15.4
  • ???????(MAC)-IEEE802.15.4
  • Zigbee???
  • Zigbee???
  • Zigbee????

19
  • ????????????????????????????????????
  • ??????????(MAC data service)
  • ??????????(MAC management service)

20
(No Transcript)
21
  • Zigbee Alliance\IEEE 802.15.4
  • IEEE 802.15.4 ???????????
  • ???(PHY)-IEEE802.15.4
  • ???????(MAC)-IEEE802.15.4
  • Zigbee???
  • Zigbee???
  • Zigbee????

22
ZigBee???(NWK)
  • ZigBee?????????????????????,????????(binding)?????
    ,???????????????,????????????????????
  • ZigBee??????PAN????????,??????????(FFD)???
  • ZigBee??????FFD?RFD ???
  • ZigBee???????IEEE 802.15.4-2003???,??FFD??,???????
    ?????

23
??????????
?? ZigBee??? ZigBee??? ZigBee????
?????? ? ? ?
?????? ? ? ?
???????? ? ?
???????? ? ?
????????????? ? ?
????????? ? ? ?
??????? ?
24
ZigBee?????
25
  • ZigBee???????????????????????????,??????????????
    (Layer Data Entity,NLDE)????????(NWK Layer
    Management Entity,NLME)??
  • ????????????NLDE-SAP ?NLME-SAP????????????????????
    ?????NWK IB(NIB)?

26
ZigBee???????
27
  • Zigbee Alliance\IEEE 802.15.4
  • IEEE 802.15.4 ???????????
  • ???(PHY)-IEEE802.15.4
  • ???????(MAC)-IEEE802.15.4
  • Zigbee???
  • Zigbee???
  • Zigbee????

28
ZigBee?????(APS)??
  • ???????????????????????,?ZigBee??????????????????
    ??
  • ???????????
  • ????????(APSDE)
  • APSDE??APSDE?????(APSDE-SAP)
  • ????????(APSME)
  • APSME??APSME?????(APSME-SAP)

29
ZigBee ????????????
30
ZigBee????
31
  • ZigBee???????ZigBee??????????,???????????ZigBee
    ???????,?ZigBee?????,??????ZigBee?????????????????
    ?
  • ??,???????,???ZigBee????(ZigBee Device
    Object,ZDO),????????(Application
    Object)??????(profiles),???ZigBee????,??????????

32
??Zigbee???????
  • WSN Zigbee
  • ??????? Zigbee
  • WSN Zigbee???Wireless Sensor Network
    Zigbee ,?????????(????????,??????,??????,?)????(
    ???????)????????????(???)??Zigbee????????????????,
    ?????????(PC)?????RF??????????????,??????RF???????
    ???????????,??????????????RF??????,?????

33
Wireless Sensor Network
  • ????????????????????????,????????,????????????????
    ???
  • ???????????????????????,???????????,??????????????
    ???????????????(base station)?

34
sensor network??????
  • ?????sensor?????????????????????????????(?????????
    ??????????)?
  • ???????????????????,??sensor??????????,???????????
    ????(multiple-hop relay)??????(routing)???????????
    ?????????????

35
  • ???????????????,??????????????????????(wireless
    sensor network)????????,???????????????,?????
  • ???????????????????????,???????????,??sensor??????
    ?,????????????(distributed environment),??sensor??
    ???????,??????(energy control)?????sensor?????????
    ??????
  • sensor?????????,???????????,????(fault
    tolerant)????????????????????

36
sensor network???
  • ??sensor network???????,?????????????????
  • ????
  • Sensor network ?????????,????
  • ???????????????sensor?????
  • ?????????
  • ?sensor????????????????,??????????
  • ???????????
  • ????????????????

37
  • ????
  • sensor network???????????
  • ??
  • ????sensor??????,???????????????????
  • sensor network??????????????????????,?????????????
    ??
  • ?????
  • ????????????????
  • ??????,?????????????

38
  • ????
  • ?sensor network???????????,???????????????????????
    ???
  • sensor??????????,????????????????????????
  • ????
  • ??????(actuator)?sensor network?????,?????????????
    ???????????

39
  • ??????
  • ??????????????????
  • ??
  • ???????????????,??sensor???????
  • ???????????????,??????????,????????
  • ??sensor network,?????sensor???????????,??????????
    ???????
  • ???????????
  • ??????????????

40
  • Zigbee Location
  • ????? Zigbee
  • ??Zigbee????????,?????????????Zigbee???,??Zigb
    ee???????????????????,???????,PC??????????Location
    Dongle?????????PC???,???????????,????,???????????
    ??
  • ZigBee ????????????????????????ZigBee
    ?????????????????,????????(TI)?CC2430 ?CC2431
    ??ZigBee ?????,????ZigBee-2006 ?????Z-Stack
    ????,????????ZigBee-2006??????????????

41
(No Transcript)
42
  • ???? ?????????,???????,??????????????????????????
    ????????????????????,??????????????,?????????CC243
    0?CC2431 ??,?????,???????CC2430?
  • ??? ?????????,????????????????????????(?1
    ???)??????????????????????????????????CC2431
    ??,????CC2431 ???????????????????
  • Location Dongle ???????PC ???????????????,???????
    ??????????????,?????????????

43
???????
  • ?????????????????????????(??16 ?)?????????????mess
    ages ???????????(RSSI)?????????
  • ?????????,?????????????
  • ????????1 ???blast ???????????????
  • ??????????????????,??????1 ?????????,?????????(???
    ?)??????????????

44
  • ?????blast ??????????????????????????????????(RSSI
    ???)?
  • ?????????,?????????????????,?????????blast
    ??????????(RSSI???)?
  • ????????????????????????????????
  • ?????
  • ?????ZigBee ????????????????????????????
  • ????????,?????????????,???????????????????????????
    ????

45
  • ????
  • ??????,???????????????????????????????????????????
    ?????
  • ?????????????????????????
  • ?????,???????????????
  • ??,?????????????

46
????????
  • ????????????????,?????AF_DataRequestMessages()????
    ???????(????????)??????(???)?
  • ???????????,??APS_TX_OPTIONS_SKIP_ROUTING
    ?????messages ?????????,?????????????????????????

47
Location Dongle ????
  • Location Dongle ?????,???????(MT)????messages(SYS_
    APP_MSG)??????????messages?
  • ???????????(????????PC ?)??????
  • ????????????????????????????
  • ??PC ??????????,??????Location Dongle
    ????????????
  • ????Location Dongle ???????????,??????????????
  • ? Location Dongle ????????????messages
    ?,????messages ?????

48
CC2431 ?????
CC2431 ??????????????????????(RSSI)???RSSI
??????????????
49
  • ???????????????
  • ????"???????????????
  • ????????????????????????????????????
  • ?????????????????,???????????
  • ???????CC2431 ??????
  • ??????????????????????,????RSSI
    ?,?????????,?????????????????????????????

50
  • ?????????????????????????????????????
  • X ?????Y?
  • RSSI ???????????????
  • ??????????????????????????
  • ??????????????????
  • ???????????????????????,??????????????????,???????
    X ?Y??????,X ????????,Y ?????????
  • CC2431 ??????????,???????????????????(??????????)?
  • ?(X,Y)(0,0)?????????

51
????????(RSSI)
  • ?CC2431?????????????RSSI ??????????
  • RSSI ???????????8 ?????(128us)??????
  • RSSI ??????????,???????????
  • ???????CC2431 ?FIFO ???,???2 ??????RSSI?,?????????
    ???8 ?????????
  • ??????????????,??RSSI ?????????????,??????????????
    ???
  • ????????????????????????????,????RSSI ????????

52
  • ? 3 ??????
  • CC2431 ????RSSI ????
  • ????????????,????????????,?????,?????????????????
  • ???????????????RSSI ??????????????????RSSI ??
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