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School of Computing Science Simon Fraser University CMPT 771/471: Wireless Networks

School of Computing Science Simon Fraser University CMPT 771/471: Wireless Networks

School of Computing Science Simon Fraser University CMPT 771/471: Wireless Networks Instructor: Dr. Mohamed Hefeeda. Background: # wireless (mobile) phone subscribers now exceeds # wired phone subscribers!

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714 views • 71 slides
School of Computing Science Simon Fraser University CMPT 771/471: Wireless Networks

School of Computing Science Simon Fraser University CMPT 771/471: Wireless Networks

School of Computing Science Simon Fraser University CMPT 771/471: Wireless Networks Instructor: Dr. Mohamed Hefeeda. Background: # wireless (mobile) phone subscribers now exceeds # wired phone subscribers!

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854 views • 70 slides
Chapter 6 Wireless and Mobile Networks Mohammad Sharaf

Chapter 6 Wireless and Mobile Networks Mohammad Sharaf

Chapter 6 Wireless and Mobile Networks Mohammad Sharaf. Background: # wireless (mobile) phone subscribers now exceeds # wired phone subscribers! computer nets: laptops, palmtops, PDAs, Internet-enabled phone promise anytime untethered Internet access two important (but different) challenges

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847 views • 66 slides
IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard. Chapter 14. IEEE 802 Protocol Layers. Protocol Architecture. Functions of physical layer: Encoding/decoding of signals Preamble generation/removal (for synchronization) Bit transmission/reception Includes specification of the transmission medium.

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936 views • 38 slides
Chapter 6 outline

Chapter 6 outline

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439 views • 34 slides
Chapter 6 Wireless and Mobile Networks

Chapter 6 Wireless and Mobile Networks

Chapter 6 Wireless and Mobile Networks. Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012. Background: # wireless (mobile) phone subscribers now exceeds # wired phone subscribers (5-to-1)!

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396 views • 28 slides
802.11 frame: addressing

802.11 frame: addressing

6. 4. 2. 2. 6. 6. 6. 2. 0 - 2312. frame control. duration. address 1. address 2. address 3. address 4. payload. CRC. seq control. 802.11 frame: addressing. Address 3: used only in ad hoc mode. Address 1: MAC address of wireless host or AP to receive this frame.

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177 views • 7 slides
802.11 frame: addressing

802.11 frame: addressing

6. 4. 2. 2. 6. 6. 6. 2. 0 - 2312. frame control. duration. address 1. address 2. address 3. address 4. payload. CRC. seq control. 802.11 frame: addressing. Address 3: used only in ad hoc mode. Address 1: MAC address of wireless host or AP to receive this frame.

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376 views • 7 slides

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