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Virtual carrier - PowerPoint PPT Presentation

Final

Final. What is a wireless LAN?. WLAN, like a LAN, requires a physical medium to transmit signals. Instead of using UTP, WLANs use: Infrared light (IR) 802.11 does include an IR specification limitations, easily blocked, no real 802.11 products (IrDA) Radio frequencies (RFs)

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789 views • 63 slides

Chapter 8- 802.11 Medium Access

Chapter 8- 802.11 Medium Access. CSMA/CA vs CSMA/CD DCF PCF HCF BA WMM. Exam Essentials. Understand the similarities and differences between CSMA/CA and CSMA/CD. Understand both access methods and know what makes them similar and what makes them different.

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986 views • 33 slides

Overlapping coverage issues with 802.11n BSSs

Overlapping coverage issues with 802.11n BSSs. M. Benveniste. Abstract. Use of an extension channel should not lower aggregate throughput of a WLAN system (relative to having no extension channel)

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230 views • 9 slides

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Final

Chapter 8- 802.11 Medium Access

Overlapping coverage issues with 802.11n BSSs