mobile communication. overview of the lecture use-cases, applications definition of terms...
TRANSCRIPT
![Page 1: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/1.jpg)
MOBILE COMMUNICATIONMOBILE COMMUNICATION
![Page 2: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/2.jpg)
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
![Page 3: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/3.jpg)
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, ...
![Page 4: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/4.jpg)
Reference Books
• Mobile Communicaton- Jochen Schiller
• Wireless Communication and Networks –
William Stallings
• Wireless Communication – Rappaport
![Page 5: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/5.jpg)
Definitions
• 2 kinds of Mobility
USER MOBILITY
DEVICE PORTABILITY
![Page 6: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/6.jpg)
Communication Device –Characteristics
• FIXED & WIRED
• MOBILE & WIRED
• FIXED & WIRELESS
• MOBILE & WIRELESS
![Page 7: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/7.jpg)
APPLICATIONS
• VEHICLE
• EMERGENCIES
• BUSINESS
• REPLACEMENT OF WIRED NETWORK
• INFOTAINMENT
• LOCATION AWARE SERVICES
![Page 8: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/8.jpg)
MOBILE / WIRELESS DEVICES
• SENSOR
• EMBEDDED CONTROLLERS
• MOBILE PHONES
• PDA
• LAPTOP
![Page 9: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/9.jpg)
OPEN RESEARCH TOPICS
• INTERFERENCES• REGULATIONS & SPECTRUM • LOW BANDWIDTH • HIGH DELAY/LARGE DELAY VARIATION• LOWER SECURITY • AD-HOC NETWORK ROUTING , SCALABILITY, RELIABILITY,MOBILITY
![Page 10: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/10.jpg)
ad ho
cUMTS, WLAN,DAB, GSM, cdma2000, TETRA, ...
Personal Travel Assistant,DAB, PDA, laptop, GSM, UMTS, WLAN, Bluetooth, ...
BACK
![Page 11: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/11.jpg)
Application
Transport
Network
Data Link
Physical
Medium
Data Link
Physical
Application
Transport
Network
Data Link
Physical
Data Link
Physical
Network Network
Radio
A simplifiled Reference Model
![Page 12: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/12.jpg)
Contd..• Application layer
• Transport layer
• Network layer
• Data link layer
• Physical layer
– service location– new applications, multimedia
– congestion and flow control– quality of service– addressing, routing,
device location– hand-over– synchronization– media access– multiplexing– Correction of transmission errors– encryption– modulation– interference– attenuation– frequency
![Page 13: MOBILE COMMUNICATION. Overview of the Lecture Use-cases, applications Definition of terms Challenges, history –Wireless Transmission frequencies & regulations](https://reader036.vdocument.in/reader036/viewer/2022062518/56649e705503460f94b6db70/html5/thumbnails/13.jpg)
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
Total Coverage