Wireless Systems

Submitted by: Submitted by

Views: 181

Words: 2258

Pages: 10

Category: Science and Technology

Date Submitted: 08/06/2013 03:56 PM

Report This Essay

SystemsThe Fourth Generation for Wireless Systems: Trends and Future Perspectives

Prof. Giovanni Emanuele Corazza gecorazza@deis.unibo.it

Outline

Part I: Trends in information society Part II: Wireless systems evolution Part III: The sixth framework programme (FP6)

Industrial society Part I Information society trends

1. Standardization 2. Synchronization 3. Centralization 4. Specialization 5. Maximization of E = P/H

TLC: Radio – TV broadcasting

Post-industrial society

1. 2. 3. 4. 5. Individualization Space/time de-structuring Distribution Continuous and flexible education Work/education/entertainment

The centrality of the human being

Information society?

• Competence and know-how are not enough! • Knowledge transformation, innovation, generation

TLC:

Cellular telephony (1G+2G) Internet IMT-2000 (3G) Broadband wireless (4G)

Thinking

• Critical • Creative • Constructive

1

The dimensions in the wireless world

Part II Wireless systems evolution

Market: status and forecast Services and applications Air interface standards Geographic coverage and mobility Backbone network and protocols Convergence and interworking Transmission data rate (bandwidth) Terminals

Wireless Leading Global Telecom Growth

Global Telephone Subscribers

(Millions) 2,000 1,500 1,000 500 0 ’82 ’84 ’86 ’88 ’90 ’92 ’94 ’96 ’98 ’00 ’02 ’04

The Wireless Path: 1G->2G->3G 1G- >2G1G: Analogue voice (NMT, TACS, AMPS, PCH etc…) 2G: Digital voice, lowrate data applications (GSM, IS-54, IS-95….) 3G: IMT-2000 Global Standard for wireless multimedia

Wireless Subscribers Surpassed Fixed Lines in April 2002

Global Telecom Voice MOUs

Wireless MOUs 38% of Total in 2005

MOUs (Trillions) CAGR

10 8

Wireline

5% 31%

Wireline Wireless

6 4 2 0 ‘00 ‘01 ‘02 ‘03 ‘04

Wireless

‘05

Wireless Becoming Primary Phone in Emerging Markets and Replacing Wireline Demand in Developed Markets

3G: IMT-2000 Objectives set by ITU IMTGlobal Service Capability...