WLAN SENSOR NETWORKS

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WLAN SENSOR NETWORKS RFID

• Presentation 1
• Participants Venkateshwar rao.n
• Suman vajrala

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Outline

• Introduction
• WLAN standards
• Types of network
• MAC
• Management operations
• Signal strength estimation
• excercise

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WLAN

• Mobility
• Low cost high efficiency
• Intended for cable replacement
• Operates in licensed exempt ISM band at 2.4ghz
• Location based services
• security

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WLAN standards
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Types of network

• Ibss independent basis service set
• Ibss infrastructure bss
• Ess extended service set

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Mac protocols

• Csma/ca
• Csma/ca RTS/CTS

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Data frame format

• AP to MS

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Contd..

• MS to AP

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Management -operations

• Scanning active passive
• Authentication open shared
• Association

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References

• Wlan standards http//www.webopedia.com/quick_ref/
  WLANStandards.asp
• Wireless networks, Definitive guide