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The Third International Conference on Internet and Web Applications and Services

ICIW 2008

June 8-13, 2008 - Athens, Greece


T1. Performance Evaluation in Wireless Networks and Technologies from 2.5 G, 3G, LTE to 4G and Beyond
by Dr. Reda Reda

T2. Web Services for Mapping
by Dr. Emmanuel Stefanakis


T1. Performance Evaluation in Wireless Networks and Technologies from 2.5 G, 3G, LTE to 4G and Beyond

"Wireless Communications" is getting more and more importance in every single aspect in our daily life. Mobile Communication technologies are evolving at an incredible speed, impacting even the global economy. This tutorial will deal with the evolution during the last few years and subsequently the future trends will be presented.

The following topics will be discussed:

  • Technology: Mobile Radio Telephone, USA, Areas outside Cities (0G)
  • Technology: Wireless Telephone Technology, Cell phones (analogue cell phone), 1980, 150MHz and up (1G,)
  • Second-Generation wireless telephone technology. Main difference to 1G.
  • 2G technologies: TDMA & CDMA.
  • Main 2G standards: GSM,, iDEN , IS-136 aka D-AMPS, IS-95, PDC, GPRS, EDGE, HSPA, 2,5G
  • Third generation of mobile phone technology (3G) HSPA, UMTS, W-CDMA, HSUPA, HSDPA, HSOPA, WiMAX:
  • 3GPP LTE (Long Term Evolution)
  • LTE: All-IP-Networks
  • Fourth-Generation Communications System (4G)
  • Beyond the 4G

In every topic, the corresponding standards and performance will be presented and analyzed.

T2. Web Services for Mapping


As geographic/map data sources expand and the demand to have access to them increases, the Web Mapping Services have been grown rapidly during the last years. The Web services specifications for mapping come from the Open Geospatial Consortium (OGC) and have been implemented by commercial and open source map server software systems. These services, although they operate in a similar fashion with general web services, they are completely different from the services a web developer may be familiar with. The scope of this tutorial is to present the web services for sharing and accessing geographic/map data on the Web.

The tutorial is more practical than theoretical. After the presentation of the Web Services for Mapping essentials, the OGC specifications for web services are described. Then, the tutorial is focused on the development faces and the functionality provided by the web services of a regional Spatial Data Infrastructure (SDI) for the Prefecture of Heraklion in Crete, implemented by the instructor.


Part I: Theory (duration 1h 20 min)

  • Introduction to Web Mapping (architectures, example applications and functionality)
  • Web Services for Mapping (essentials)
  • Map Servers in the Web (representative examples, e.g., NASA Map Server)
  • OGC Specifications for Web Mapping Services (WMS, WFS, WCS, and GML)

Part II: Practice (duration 1h 30 min)

  • The Heraklion SDI Web Services
  • SDI Architecture and Software Systems (UMN MapServer).
  • The WMS, WFS, WCS and KML Servers. Web Map Viewers.
  • The Web Client Application (OpenLayers Javascripts).
  • The Mashups (Google Maps)
  • The Web Catalog Server (GeoNetwork Opensource).


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