Mobile Communications Summer Term 2008

Mobile Communications Summer Term 2008 Freie Universität Berlin - Computer Systems & Telematics Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de [email_address] Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Overview of the lecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Mobile Communications Chapter 1: Introduction ,[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Computers for the next decades? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Mobile communication ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Applications I ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Typical application: road traffic Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 ad hoc UMTS, WLAN, DAB, DVB, GSM, cdma2000, TETRA, ... Personal Travel Assistant, PDA, Laptop, GSM, UMTS, WLAN, Bluetooth, ...

Mobile and wireless services – Always Best Connected Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 UMTS 2 Mbit/s UMTS, GSM 384 kbit/s LAN 100 Mbit/s, WLAN 54 Mbit/s UMTS, GSM 115 kbit/s GSM 115 kbit/s, WLAN 11 Mbit/s GSM/GPRS 53 kbit/s Bluetooth 500 kbit/s GSM/EDGE 384 kbit/s, DSL/WLAN 3 Mbit/s DSL/ WLAN 3 Mbit/s

Applications II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 History Info

Location dependent services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Mobile devices Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 performance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Sensors, embedded controllers www.scatterweb.net No clear separation between device types possible (e.g. smart phones, embedded PCs, …)

Effects of device portability ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Wireless networks in comparison to fixed networks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Early history of wireless communication ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

History of wireless communication I ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

History of wireless communication II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

History of wireless communication III ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

History of wireless communication IV ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

History of wireless communication V ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

History of wireless communication VI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Wireless systems: overview of the development Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 cellular phones satellites wireless LAN cordless phones 1992: GSM 1994: DCS 1800 2001: IMT-2000 1987: CT1+ 1982: Inmarsat-A 1992: Inmarsat-B Inmarsat-M 1998: Iridium 1989: CT 2 1991: DECT 199x: proprietary 1997: IEEE 802.11 1999: 802.11b, Bluetooth 1988: Inmarsat-C analog digital 1991: D-AMPS 1991: CDMA 1981: NMT 450 1986: NMT 900 1980: CT0 1984: CT1 1983: AMPS 1993: PDC 4G – fourth generation: when and how? 2000: GPRS 2000: IEEE 802.11a 200?: Fourth Generation (Internet based)

Worldwide wireless subscribers (old prediction 1998) Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 0 100 200 300 400 500 600 700 1996 1997 1998 1999 2000 2001 Americas Europe Japan others total

Mobile phones per 100 people 1999 Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 Finland Sweden Norway Denmark Italy Luxemburg Portugal Austria Ireland Switzerland Great Britain Netherlands France Belgium Spain Greece Germany 2005: 70-90% penetration in Western Europe 0 10 20 30 40 50 60

Worldwide cellular subscriber growth Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 Note that the curve starts to flatten in 2000 – 2008: over 3.3 billion subscribers

Cellular subscribers per region (June 2002) Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 2004: 715 million mobile phones delivered

Mobile statistics snapshots (09/2002 / 12/2004 / 04/2006 / Q4/2007 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 The figures vary a lot depending on the statistic, creator of the statistic etc.!

Areas of research in mobile communication ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Simple reference model used here Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 Application Transport Network Data Link Physical Medium Data Link Physical Application Transport Network Data Link Physical Data Link Physical Radio Network Network

Influence of mobile communication to the layer model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008

Overview of the main chapters Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 Chapter 2: Wireless Transmission Chapter 3: Medium Access Control Chapter 4: Telecommunication Systems Chapter 5: Satellite Systems Chapter 6: Broadcast Systems Chapter 7: Wireless LAN Chapter 8: Mobile Network Layer Chapter 9: Mobile Transport Layer Chapter 10: Support for Mobility

Overlay Networks - the global goal Prof. Dr.-Ing. Jochen H. Schiller www.jochenschiller.de MC - 2008 regional metropolitan area campus-based in-house vertical handover horizontal handover integration of heterogeneous fixed and mobile networks with varying transmission characteristics

Mobile Communications Summer Term 2008

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Mobile Communications Summer Term 2008