Description

Objectives

 

This course presents an essential grounding in mobile communications, explaining current developments in industry and research and providing a detailed technical background to the area. The course covers all of the important aspects of mobile and wireless communications from the internet to signals, access protocols and cellular systems, all presented in a clear and structured way, with a focus on the crucial area of digital data transfer.

The course covers up to date technologies in all areas of mobile communications with extensive examples and special features; telecommunications (GSM and UMTS); broadcast (DAB); wireless LANs (IEEE 802.11) HIPERLAN and Bluetooth); Satellite systems; wireless ATM (QoS) and Internet Protocols

 

 

After successfully completing the course the students will Understand:

         Wireless transmission, Signals, Antennas, Signal Propagation (Path Loss and Multipath), Multiplexing, Modulation, Spread Spectrum

         Medium access control, (Multiple access-SDMA, FDMA, TDMA)

         Telecommunication systems; GSM and UMTS, IMT-2000, DECT, TETRA, Satellite systems, Broadcast systems, Wireless LAN and Bluetooth

         UMTS architecture

         Satellite systems

         Broadcast systems

         Wireless LAN

         Wireless ATM

         Mobile network layer

         Mobile transport layer

         Support for mobility

 

 

 

Who Should Attend

 

This course is ideal for anyone wanting a solid understanding of the broad range of wireless communications systems used around the World today, including:

 

•   Developers of wireless products and services

•   Wireless communications engineers

•   Mobile communications engineers

•   Radio engineers

•   Technical sales and marketing professionals

•   Staff responsible for technical testing of wireless equipment

 

Prerequisites

 

Experience in telecommunications or data networking is desirable prior to attending this course

 

Course Outline

 

Introduction

 

Applications

Vehicles

Emergencies

Business

Replacement of wired networks

Infotainment and more

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

Overview

 

Wireless transmission

 

Frequencies for radio transmission

Regulations

Signals

Antennas

Signal propagation

Path loss of radio signals

Additional signal propagation effects

Multipath propagation

Multiplexing

Space division multiplexing

Frequency division multiplexing

Time division multiplexing

Code division multiplexing

Modulation

Amplitude shift keying

Frequency shift keying

Phase shift keying

Advanced frequency shift keying

Advanced phase shift keying

Multicarrier modulation

Spread spectrum

Direct sequence spread spectrum

Frequency hopping spread spectrum

Cellular systems

 

Medium access control

 

Motivation for a specialized MAC

Hidden and exposed terminals

Near and far terminals

SDMA

FDMA

TDMA

Fixed TDM

Classical Aloha

Slotted Aloha

Carrier sense multiple access

Demand assigned multiple access

PRMA packet reservation multiple access

Reservation TDMA

Multiple access with collision avoidance

Polling

Inhibit sense multiple access

CDMA

       Spread Aloha multiple access

       Comparison of S/T/F/CDMA

 

Telecommunication systems

 

GSM

Mobile services

System architecture

Radio interface

Protocols

Localization and calling

Handover

Security

New data services

DECT

System architecture

Protocol architecture

TETRA

UMTS and IMT-2000

UMTS basic architecture

UTRA FDD Mode

UTRA TDD Mode

 

Satellite systems

 

History

Applications

Basics

GEO

LEO

MEO

Routing

Localization

Handover

Examples

 

Broadcast systems

 

Overview

Cyclic repetition of data

Digital audio broadcasting

Multimedia object transfer protocol

Digital video broadcasting

 

 

Wireless LAN

 

Infrastructure and ad hoc networks

IEEE 802.11

System architecture

Protocol architecture

Physical layer

Medium access control layer

MAC management

Future development

HIPERLAN

Protocol architecture

Physical layer

Channel access control sublayer

Medium access control sublayer

Information bases and networking

Bluetooth

User scenarios

Physical layer

MAC layer

Networking

Security

Link management

 

Wireless ATM

 

Motivation for WATM

Wireless ATM working group

WATM services

Reference model

Example configurations

Generic reference model

Functions

Wireless mobile terminal side

Mobility supporting network side

Radio access layer

Requirements

BRAN

Handover

Handover reference model

Handover requirements

Types of handover

Handover scenarios

Backward handover

Forward handover

Location management

    Requirements for location management

    Procedures and entities

Addressing

Mobile quality of service

Access point control protocol

 

Mobile network layer

 

Mobile IP

Goals, assumptions, and requirements

Entities and terminology

IP packet delivery

Agent advertisement and discovery

Registration

Tunnelling and encapsulation

Optimizations

Reverse tunnelling

IPv6

Dynamic host configuration protocol

Ad hoc networks

Routing

Destination sequence distance vector

Dynamic source routing

Hierarchical algorithms

Alternative metrics

Summary

Review exercises

References

 

Mobile transport layer

 

Traditional TCP

Congestion control

Slow start

Fast retransmit/fast recovery

Implications on mobility

Indirect TCP

Snooping TCP

Mobile TCP

Fast retransmit/fast recovery

Transmission/time-out freezing

Selective retransmission

Transaction oriented TCP

 

Support for mobility

 

File systems

Consistency

Examples

World Wide Web

Hypertext transfer protocol

Hypertext markup language

Some approaches that might help wireless access

System architectures

Wireless application protocol

Architecture

Wireless datagram protocol

 

 

Wireless Communications