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Home > Communications > Satellite > Services
Satellites in Telecommunications: Technical and Business Issues
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- 1 Introduction..
- 1.1 Overview..
- 1.2 Advantages of Wireless Networks.
- 1.2.1 Popularity.
- 1.2.2 Mobility.
- 1.2.3 Ease of Deployment
- 1.3 First Generation of Mobile Telecommunications (1G)
- 1.4 Second Generation Mobile Telecommunications (2G)
- 1.4.1 SIM...
- 1.4.2 Speech Coding.
- 1.4.3 Authentications and Security in GSM networks.
- 1.4.4 WAP (Wireless Applicant Protocol)
- 1.5 Mobile Telecommunications third generation.
- 1.5.1 Characteristics of 3G Systems.
- 1.5.2 The Evolution of the 3G System..
- 1.5.3 Applications in 3G system..
- 1.5.4 Summary.
- 1.6 Mobile telecommunications 4th generation and Beyond.
- 1.6.1 Target of 4G System..
- 1.6.2 Applications and Services of 4G system..
- 1.6.2.1 Tele Presence.
- 1.6.2.2 Information Access.
- 1.6.2.3 Inter-Machine Communication.
- 1.6.2.4 Intelligent Shopping.
- 1.6.2.5 Location-Based Services.
- 1.6.2.6 Globalization of Products.
- 1.6.2.7 Communicating Appliances.
- 1.6.2.8 Standardization Diversification.
- 1.6.3 Summary.
- 2 Launching a Satellite.
- 2.1 Overview..
- 2.2 Types of Satellites.
- 2.2.1 Weather Satellite.
- 2.2.2 Broadcast Satellite.
- 2.2.3 Communications Satellite.
- 2.2.4 Scientific Satellite.
- 2.2.5 Navigational Satellite.
- 2.2.6 Rescue Satellite.
- 2.2.7 Earth Observation Satellite.
- 2.2.8 Military Satellite.
- 2.2.9 Photography Satellite.
- 2.3 Satellite Communications Characteristics.
- 2.4 Satellite Applications.
- 2.4.1 Wireless Rapid Deployment
- 2.4.2 Broadcasting.
- 2.4.3 Hostile Environments.
- 2.4.4 Mobility.
- 2.4.5 Voice Telephony.
- 2.4.6 Cellular Systems.
- 2.4.7 World Wide Coverage System..
- 2.4.8 Connectivity for Aircraft Passengers.
- 2.4.9 Global Positioning Systems (GPS)
- 2.4.10 Internet Access.
- 2.5 Spectrum Issues.
- 2.6 Satellite Systems.
- 2.7 Satellites Orbits.
- 2.7.1 Low Earth Orbit (LEO) satellites.
- 2.7.1.1 Overview..
- 2.7.1.2 Main Characteristics of LEO Orbits.
- 2.7.2 Medium Earth Orbit (MEO)
- 2.7.3 Geosynchronous Earth Orbit (GEO)
- 2.7.3.1 Main characteristics of GEO..
- 2.7.3.2 Properties of GEO..
- 2.7.4 Elliptical Orbits.
- 2.8 VSAT Systems.
- 2.8.1 Elements of VSAT system..
- 2.9 Examples of Satellite-based Mobile Telephony Systems.
- 2.9.1 Iridium..
- 2.9.1.1 Overview..
- 2.9.1.2 Frequency Reuse.
- 2.9.1.3 Gateways.
- 2.9.2 Globalstar
- 2.9.2.1 Overview..
- 2.9.2.2 Gateways.
- 2.9.2.3 Calling Costs.
- 2.9.2.4 Cost of Satellite Phones.
- 2.9.3 Satellite-based Internet Access.
- 2.9.3.1 Overview..
- 2.9.3.2 Routing Issues.
- 2.9.3.3 Routing in the Asymmetric Architecture.
- 2.9.3.3.1 DT-DVTR.
- 2.9.3.3.2 VN..
- 2.9.3.4 Routing in an Asymmetric System..
- 3 Economics of satellite telecommunications and mobile telecommunications.
- 3.1 Overview..
- 3.2 Benefits of Telecommunications.
- 3.3 The Changing Economics of the Wireless Industry.
- 3.4 Terminal Manufacturers.
- 3.5 Increasing Sales Figures.
- 3.6 Lower Prices.
- 3.7 Increased Competition from Asian Manufacturers.
- 3.8 Role of governments.
- 3.9 Market Opportunities.
- 3.10 Charging in the mobile telecommunication.
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