Copyright © 1999 Elsevier Science B.V. All rights reserved
Broadband access via satellite
Available online 24 March 1999.
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Abstract
Satellites are well suited for broadband communications. In this paper we consider the special features of satellite systems, some of the broadband applications that are well-suited for satellites and some of the technologies which make possible broadband satellite communications, as well as the research programs that led to their development. We describe how such technologies, and other factors, have contributed to the evolution of broadband satellite systems, and discuss some of the challenges in establishing such systems. We finish by offering some concluding remarks on the role of satellites for broadband access.
Author Keywords: Satellite communications; Broadband access; Multiple access; Internet access; Hybrid networks; Onboard processing; Error control; Ka-band; V-band
Article Outline
- 1. Introduction
- 2. Broadband applications and satellite systems
- 2.1. Asymmetric TCP/IP to support Internet applications via satellite
- 2.2. Multicast over satellite
- 2.3. Web page caching
- 3. Evolution of satellite communications (towards broadband communication via satellite)
- 3.1. Historical evolution
- 3.2. Technological evolution
- 3.3. Research efforts
- 3.4. Future commercial broadband satellite systems
- 4. Technical challenges
- 4.1. Multiple access and multiplexing
- 4.2. Onboard processing and buffering
- 4.2.1. Electronics for OBP
- 4.2.2. Onboard resource control
- 4.2.3. Onboard packet switching
- 4.2.4. Onboard buffering
- 4.3. Error control
- 4.4. TCP
- 4.5. ATM via satellite
- 4.6. Intersatellite links/routing optimization
- 4.7. Security
- 5. Regulatory issues
- 6. Conclusion







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