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Performance Evaluation of High-Frequency Mobile Satellite Communications
- Performance Evaluation of High-Frequency Mobile Satellite Communications
- Lee, Yonghwa; Choi, Jihwan P.
- DGIST Authors
- Choi, Jihwan P.
- Issue Date
- IEEE Access, 7, 49077-49087
- Article Type
- Author Keyword
- Mobile satellite communications; delayed channel state information (CSI); land mobile satellite (LMS) channel model; outage probability; channel capacity
- Channel capacity; Channel state information; Communication channels (information theory); Communication satellites; Geostationary satellites; Satellite communication systems; Wi-Fi; Communication performance; Land mobile satellite channel; Low earth orbit satellites; Mobile satellite communication; Mobile satellite service; Outage probability; Satellite communications; Terrestrial communication; Orbits
- Communication satellites have a much longer propagation delay than terrestrial communication networks such as cellular or WiFi. In addition, as the carrier frequency moves up, mobile satellite communications show worse performances than the conventional fixed satellite communications. The mobile satellite service (MSS) has not been actively pursued with long latency at high-frequency bands for future applications. In this paper, the adverse impact of long propagation delay in the conventional satellite system is investigated with various user mobility and Doppler-shifted carrier frequency. The satellite network is modeled as a basic delayed feedback channel system and the communication performance is analyzed under delayed channel state information (CSI) for assessing the system feasibility in mobile conditions. The results of performance analysis are provided at high-frequency bands with high-speed user movement, specifically on the outage probability and the channel capacity exploiting three types of channel models: conventional land mobile satellite (LMS) channel models of E. Lutz and C. Loo, and Nakagami fading model. In the circumstance with various user speeds, system performances are evaluated with different propagation delays in the LMS channel models and for line-of-sight (LOS) components in the Nakagami fading. In addition, the conventional models are compared depending on different altitudes for geostationary orbit (GEO), medium earth orbit (MEO), and low earth orbit (LEO) satellites, as well as high-altitude platforms (HAP). © 2019 IEEE.
- Institute of Electrical and Electronics Engineers Inc.
- Related Researcher
Choi, Jihwan P.
NCRG(Networks and Communications Research Group)
Wireless and space communication systems; Cross-layer network design; 위성 통신 네트워크
- Department of Information and Communication EngineeringNCRG(Networks and Communications Research Group)1. Journal Articles
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