Enhanced ATM for Satellite Laser Communication Networks
| Main Authors: | SHLOMI ARNON, AVISHAY SASON |
|---|---|
| Format: | Journal Book |
| Terbitan: |
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS
, 1999
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| Subjects: | |
| Online Access: |
http://opac.unila.ac.id/ucs/index.php?p=show_detail&id=41067 |
Daftar Isi:
- Satellite networks is one of the most emergent areas in commercial communication. Today about twenty seriousconsortiums (such as Iridium, Teledesic, Globstar, and Celestri) develop satellite communication networks. In the new generationof satellite networks, laser will be used as a communication link between the satellites in order to get wider bandwidthfor the network backbone. One of the main problems of a satellite laser link is dramatic reduction of the communication performances for up to several milliseconds due to deviation of the pointing direction of the very narrow laser beam. The satellite mechanical vibrations cause this deviation. This fact is an obstaclein implementation of high QoS (quality of service) application in satellite network. In this research we propose the use of thediversity concept in order to overcome the vibration effect. A communication diversity means using a number of independentpropagation paths for transmitting the same information. This concept increases the probability of receiving the information. We derive the diversity algorithm based on standard ATM (synchronic transfer mode). A practical satellite communication network performance based on our algorithm is presented[1] Arnon, S., and Kopeika, N. S. (1997) Laser satellite communication networks-vibration effects and possible solutions. Proceedings of the IEEE, 85, 10 (1997), 1646â1661.[2] Edelson, B. I., and Hyde, G. (1996) Laser satellite communications, program technology and applications. A report of the IEEE Aerospace Policy Committee, Apr. 1996.[3] Motorola Global Communication (1997) Application for Celestri multimedia LEO system. Presented before the Federal Communication Commission, Washington, June 1997, 41.[4] Wittig, M., van Holtz, L., Tunbridge, D. E. L., and Vermeulen, H. C. (1994) In orbit measurements of microaccelerations of ESA's communication satellite OLYMPUS.In D. L. Begly and B. J. 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(1992) Broadband mobile satellite communication system by LEO-SAT and optical ISLs. In Proceedings of IEEE Conference on GLOBECOM, 1 (1992), 437â442.[10] Arnon, S., and Kopeika, N. S. (1997) The performance limitations of free space optical communication satellite networks due to vibrationsâAnalog case.Optical Engineering, 36, 1 (1997), 175â182.[11] Arnon, S., Rotman, S., and Kopeika, N. S. (1997) The performance limitations of free space optical communication satellite networks due to vibrationsâDigital case.Optical Engineering, 36, 11 (1997), 3148â3157.[12] Arnon, S., Rotman, S., and Kopeika, N. S. (1998) The performance limitations of free space optical communication satellite networks due to vibrationsâHeterodyne detection.Applied Optics, 37, 27 (1998), 6366â6374.[13] Lambert, S. G., and Casey, W. L. (1995) Laser Communication in Space. Boston: Artech House, 1995, ch. 7, 179â195.[14] Held, K. J., and Barry, J. D. 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