HD19CSE: MOBILE COMPUTING

1. INTRODUCTION

Applications, Replacement of wired networks, Location dependent services, Mobile and wireless devices, A short history of wireless communication, A market for mobile communications, Some open research topics, A simplified reference model

2.   MOBILE CHANNEL CHARACTERIZATION

Fading and shadowing, communication issues , antennas, signal propagation, path loss of radio signals, multipart propagation, multiplexing, space division multiplexing, frequency division multiplexing, time division multiplexing, code division multiplexing, modulation, advanced frequency shift keying, multicarrier modulation , direct sequence spread spectrum,

3.   REVIEW OF CELLULAR SCHEMES

Model and methodology, mobile computing topologies, networks and protocols, GSM, system architecture, network and switching subsystem, operation subsystem, radio interface, logical channels and frame hierarchy, handover, authentication, encryption , hscsd, umts and imt-2000, umts basic architecture, utra fod mode, utra tdd mode, SDMA, FDMA, TDMA.

4.  MOBILITY MANAGEMENT

Mobile ip, entities and terminology, ip packet delivery, agent advertisement and discovery, optimizations, dynamic host configuration protocol, fast retransmit/fast recovery, transaction oriented TCP.

5.  WIRELESS LAN AND DATA PCS, WIRING THE CAMPUS

Infrared vs. Radio transmission, infrastructure and ad hoc networks , direct sequence spread spectrum, medium access control layer, basic DFWMAC-DCF using CSMA/CA, user scenarios, mac layer, packet format, link management,

6. APPLICATION FRAMEWORKS

Architectures now and in the future, today's application architectures, architecture overview, service enablers, service capability servers, application support servers, personal service environment, personal service environment, service management,

7.  EXPLOITING MOBILITY COMMERCIALLY

Location-based services, positioning methods, terminal-based positioning: gps and a-gps, enhanced observed time difference (e-otd), network-based positioning: ul-toa, which solutions will we use, and what are the consequences?,

      8.  FILE SYSTEM, ACCESSING THE WORLD WIDE WEB

File systems, little work, ficus, mio-nfs, accessing the world wide web , hypertext markup language, some approaches that might help wireless access, system architectures, wireless application protocol, wireless data gram protocol, wireless transaction protocol, wsp/b over wtp, wsp/b as connectionless session service, wireless markup language, WTP class 0, WMLScript

9.  PRIVACY AND ANONYMITY

How secure does it have to be?, securing the transmission, authentication, encryption, protecting the message integrity, gsm/gprs/3g network security, algorithm decision, security protocols and their wirelessusage, redundant security, making decisions and security perspectives.