Mobile Communications I - IHP Microelectronics

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Computers for the next decades?Computers are integrated small, cheap, portable, replaceable - no more separate devicesTechnology is in the background computer are aware of their environment and adapt (“location awareness”) computer recognize the location of the user and react appropriately (e.g.,call forwarding, fax forwarding, “context awareness”))Advances in technology more computing power in smaller devices flat, lightweight displays with low power consumption new user interfaces due to small dimensions more bandwidth per cubic meter multiple wireless interfaces: wireless LANs, wireless WANs, regionalwireless telecommunication networks etc. („overlay networks“)Dr.-Ing. Jean-Pierre Ebert MC-I SS07 1.6
<strong>Mobile</strong> communicationTwo aspects of mobility: user mobility: users communicate (wireless) “anytime, anywhere, withanyone” device portability: devices can be connected anytime, anywhere to thenetworkWireless vs. mobile Examples stationary computer notebook in a hotel wireless LANs in historic buildings Personal Digital Assistant (PDA)The demand for mobile communication creates the need forintegration of wireless networks into existing fixed networks: local area networks: standardization of IEEE 802.11,ETSI (HIPERLAN) Internet: <strong>Mobile</strong> IP extension of the internet protocol IP wide area networks: e.g., internetworking of GSM and ISDNDr.-Ing. Jean-Pierre Ebert MC-I SS07 1.7
Page 3 and 4: Administrative Issues Lecture dates
Page 5: Chapter 1:Introduction A case for m
Page 9 and 10: Mobile and wireless services - Alwa
Page 11 and 12: Location dependent servicesLocation
Page 13 and 14: Effects of device portabilityPower
Page 15 and 16: Early history of wireless communica
Page 17 and 18: History of wireless communication I
Page 19 and 20: History of wireless communication I
Page 21 and 22: Wireless systems: Overview of the d
Page 23 and 24: Worldwide wireless subscribers (old
Page 25 and 26: Worldwide cellular subscriber growt
Page 27 and 28: Mobile statistics snapshot (09/2002
Page 29 and 30: Wireless Internet ChallengesAttribu
Page 31 and 32: Influence of mobile communication t

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