Mobile Comms Chapter 1 Intro to Mobility
•Download as PPT, PDF•
11 likes•8,759 views
The document provides an introduction to mobile communications, covering its history, applications, devices, and areas of research. It discusses how advances in technology enabled the development of smaller, more portable computing devices. This drove the need for integration of wireless networks and standards to allow mobile users to communicate anywhere. Key areas of research include transmission quality, mobility support, and addressing the constraints of portable devices. The future of mobile communication lies in integrating different wireless systems into overlay networks that provide seamless connectivity across various network types.
![Mobile Communications Chapter 1: Introduction ,[object Object],[object Object],[object Object],[object Object],Mobile Communications: Introduction 1.0.1](https://image.slidesharecdn.com/mobielcommunication-091007233829-phpapp01/85/mobile-communication-1-320.jpg)
![Computers for the next century? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Mobile Communications: Introduction 1.1.1](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
More Related Content
What's hot
What's hot (20)
Viewers also liked
Viewers also liked (20)
Similar to Mobile Comms Chapter 1 Intro to Mobility
Similar to Mobile Comms Chapter 1 Intro to Mobility (20)
More from stooty s
More from stooty s (20)
Recently uploaded
Recently uploaded (20)
Mobile Comms Chapter 1 Intro to Mobility
- 5. Typical application: road traffic Mobile Communications: Introduction ad hoc UMTS, WLAN, DAB, GSM, TETRA, ... Personal Travel Assistant, DAB, PDA, laptop, GSM, UMTS, WLAN, Bluetooth, ... 1.4.1
- 16. Wireless systems: overview of the development Mobile Communications: Introduction cellular phones satellites wireless LAN cordless phones 1992: GSM 1994: DCS 1800 2005?: UMTS/IMT-2000 1987: CT1+ 1982: Inmarsat-A 1992: Inmarsat-B Inmarsat-M 1998: Iridium 1989: CT 2 1991: DECT 199x: proprietary 1995/96/97: IEEE 802.11, HIPERLAN 2005?: MBS, WATM 1988: Inmarsat-C analog digital 1.15.1 1991: D-AMPS 1991: CDMA 1981: NMT 450 1986: NMT 900 1980: CT0 1984: CT1 1983: AMPS 1993: PDC
- 18. Worldwide wireless subscribers (prediction) Mobile Communications: Introduction 0 100 200 300 400 500 600 700 1996 1997 1998 1999 2000 2001 Americas Europe Japan others total 1.17.1
- 19. Mobile phones per 100 people 1997 Mobile Communications: Introduction 1998: 40% growth rate in Germany 1.18.1
- 21. Simple reference model used here Mobile Communications: Introduction 1.20.1 Application Transport Network Data Link Physical Medium Data Link Physical Application Transport Network Data Link Physical Data Link Physical Radio Network Network
- 23. Overview of the chapters Mobile Communications: Introduction 1.22.1 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: Wireless ATM Chapter 9: Mobile Network Layer Chapter 10: Mobile Transport Layer Chapter 11: Support for Mobility
- 24. Overlay Networks - the global goal Mobile Communications: Introduction regional metropolitan area campus-based in-house vertical hand-over horizontal hand-over integration of heterogeneous fixed and mobile networks with varying transmission characteristics 1.23.1