?????(WLAN)?? - PowerPoint PPT Presentation

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Title:

?????(WLAN)??

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... Local Area Network (e.g .Ethernet) AP AP AP AP IEEE802.11b IEEE802.11a IEEE802.11g IEEE802.11e IEEE802.11i IEEE802.11n – PowerPoint PPT presentation

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Title: ?????(WLAN)??


1
?????(WLAN)??
2
?????
  • WLAN (Wireless Local Area Network or also called
    Wi-Fi)?????????
  • ????????????????
  • ??????40m
  • ????????????
  • ???????
  • ????
  • 802.11b????11Mbps
  • 802.11a?802.11g????54 Mbps

3
WLAN ????
AP
AP
AP
4
WLAN??
AP
5
WLAN????
  • IEEE802.11b
  • IEEE802.11a
  • IEEE802.11g
  • IEEE802.11e
  • IEEE802.11i
  • IEEE802.11n

6
WLAN???
  • ????
  • ????AD HOC??
  • ????
  • ?????
  • ???????
  • ????????
  • ???????????
  • ????

7
WLAN ??
  • WLAN ???????
  • -???????????????????????????
  • -???????PDA???????
  • ??????????
  • -???????????????????????????QoS????????
  • ????????????????????

8
THANK YOU
????????????? 2006?11?
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