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MOBILE COMMUNICATION

MOBILE COMMUNICATION. R.K.NADESH ASSISTANT PROFESSOR High End Computing & Embedded Systems Division School of Information Technology and Engineering Location : SJT-310-A26 more. Overview of the Lecture. Use-cases, applications Definition of terms Challenges, history

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MOBILE COMMUNICATION

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  1. MOBILE COMMUNICATION R.K.NADESH ASSISTANT PROFESSOR High End Computing & Embedded Systems Division School of Information Technology and Engineering Location : SJT-310-A26 more..

  2. Overview of the Lecture • Use-cases, applications • Definition of terms • Challenges, history • Wireless Transmission • frequencies & regulations • signals, antennas, signal propagation • multiplexing, modulation, spread spectrum, cellular system • Media Access • motivation, SDMA, FDMA, TDMA (fixed, Aloha, CSMA, DAMA, PRMA, MACA, collision avoidance, polling), CDMA • Wireless Telecommunication Systems • GSM, HSCSD, GPRS, DECT, TETRA, UMTS, IMT-2000 • Satellite Systems • GEO, LEO, MEO, routing, handover

  3. Contd.. • Broadcast Systems • DAB, DVB • Wireless LANs • Basic Technology • IEEE 802.11a/b/g, .15, Bluetooth • Network Protocols • Mobile IP • Ad-hoc networking • Routing • Transport Protocols • Reliable transmission • Flow control • Quality of Service • Support for Mobility • File systems, WWW, WAP, J2ME, ...

  4. Reference Books • Mobile Communicaton- Jochen Schiller • Wireless Communication and Networks – William Stallings • Wireless Communication – Rappaport

  5. Definitions • 2 kinds of Mobility USER MOBILITY DEVICE PORTABILITY

  6. Communication Device –Characteristics • FIXED & WIRED • MOBILE & WIRED • FIXED & WIRELESS • MOBILE & WIRELESS

  7. APPLICATIONS • VEHICLE • EMERGENCIES • BUSINESS • REPLACEMENT OF WIRED NETWORK • INFOTAINMENT • LOCATION AWARE SERVICES • SUPPORT SERVICES -GIS

  8. MOBILE / WIRELESS DEVICES • SENSOR • EMBEDDED CONTROLLERS • MOBILE PHONES • PDA • LAPTOP

  9. OPEN RESEARCH TOPICS • INTERFERENCES • REGULATIONS & SPECTRUM • LOW BADWIDTH • HIGH DELAY/LARGE DELAY VARIATION • LOWER SECURITY • AD-HOC NETWORK ROUTING , SCALABILITY, RELIABILITY,MOBILITY • CELLULAR NETWORK

  10. UMTS, WLAN, DAB, GSM, cdma2000, TETRA, ... ad hoc Personal Travel Assistant, DAB, PDA, laptop, GSM, UMTS, WLAN, Bluetooth, ... BACK

  11. Network Network A simplifiled Reference Model Application Application Transport Transport Network Network Data Link Data Link Data Link Data Link Physical Physical Physical Physical Medium Radio

  12. Application layer Transport layer Network layer Data link layer Physical layer service location new applications, multimedia adaptive applications congestion and flow control quality of service addressing, routing, device location hand-over authentication media access multiplexing media access control encryption modulation interference attenuation frequency Contd..

  13. Total Coverage Chapter 10: Support for Mobility Chapter 9: Mobile Transport Layer Chapter 8: Mobile Network Layer Chapter 4: Telecommunication Systems Chapter 5: Satellite Systems Chapter 6: Broadcast Systems Chapter 7: Wireless LAN Chapter 3: Medium Access Control Chapter 2: Wireless Transmission

  14. Faculty Profile • Qualification : M.E (CEG,AU Chennai) • Experience : 9th Year in Academia • Area of Expertise Hybrid Wireless Network Distributed Computing Mobile Computing in Medicine Discrete Event System Simulation Back

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