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SAT‐OFDM: a satellite radio interface for the IMT‐advanced system
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- Authors
- Hee Wook Kim, Kunseok Kang, Bon-Jun Ku, Dae-Ig Chang, Sooyoung Kim
- Issue Date
- 2015-07
- Citation
- International Journal of Satellite Communications and Networking, v.33, no.4, pp.295-314
- ISSN
- 1542-0973
- Publisher
- John Wiley & Sons
- Language
- English
- Type
- Journal Article
- Abstract
- Summary This paper presents the satellite orthogonal frequency division multiplexing (SAT-OFDM) technology as a satellite radio interface for international mobile telecommunications (IMT)-Advanced. The SAT-OFDM radio interface is designed to provide various advanced IMT services in satellite environments. For cost-effective deployment of a satellite IMT-Advanced system, the radio interface must have a high degree of commonality with third-generation partnership project long-term evolution (3GPP LTE) technology for IMT-Advanced, but it also has a number of different features. Those features are needed to adapt the 3GPP LTE technology for satellite-specific environments such as long round-trip delay, large cell size, and slow-fading satellite channel. In this paper, we summarize the key features of the SAT-OFDM technology and propose satellite specific features included in the SAT-OFDM technology as an adaption way of LTE over satellite. Then we show the performance evaluation results of the SAT-OFDM technology to see the feasibility of LTE over satellite.
- KSP Keywords
- 3GPP LTE, Cell Size, High degree, IMT-Advanced system, Key features, LTE Technology, Long Term Evolution(LTE), Mobile telecommunication, Orthogonal Frequency-Division Multiplexing(OFDM), Performance evaluation, Radio interface