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Chapter 7Wireless and
Mobile Networks
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Computer Network
For a revision history, see the slide note for this page.
Top-Down Approac
Thanks and enjoy! JFK/KWR 8th edition
All material copyright 1996-2020
Jim Kurose, Keith Ross
J.F Kurose and K.W. Ross, All Rights Reserved Pearson, 2020
,Wireless and Mobile Networks: context
more wireless (mobile) phone subscribers than fixed (wired) phone
subscribers (10-to-1 in 2019)!
more mobile-broadband-connected devices than fixed-broadband-
connected devices devices (5-1 in 2019)!
• 4G/5G cellular networks now embracing Internet protocol stack,
including SDN
two important (but different) challenges
• wireless: communication over wireless link
• mobility: handling the mobile user who changes point of attachm
network
Wireless and M
,Chapter 7 outline
Introduction
Wireless Mobility
Wireless Links and network Mobility management: princi
characteristics Mobility management: practi
WiFi: 802.11 wireless LANs • 4G/5G networks
Cellular networks: 4G and 5G • Mobile IP
Mobility: impact on higher-la
protocols
Wireless and M
, Elements of a wireless network
wired network
infrastructure
Wireless and M
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