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Challenges for Efficient and Seamless Space-Terrestrial Heterogeneous Networks
- Challenges for Efficient and Seamless Space-Terrestrial Heterogeneous Networks
- Choi, Jihwan P.; Joo, Changhee
- DGIST Authors
- Choi, Jihwan P.
- Issue Date
- IEEE Communications Magazine, 53(5), 156-162
- Article Type
- Earth (Planet); Emergency Communication; Heterogeneous Networks; Killer-Application; Mobility Supports; Multibeam Satellite; Multipath Protocols; Simultaneous Transmission; State-of-the-Art Technology; Terrestrial Networks
- By interconnecting satellites in the sky with ground stations on earth, space-terrestrial networks can extend the coverage area and increase the throughput for both commercial and nonprofit applications. To realize the seamless and economic sky-to-earth networks, we still have to advance the technologies that bridge different types of channels, and find killer-applications that are essential for our life. In this article we review the current state-of-the-art technologies of multibeam satellites and relaying as fundamental cornerstones, and then address the issues of low-latency random access, mobility support, and multipath protocols for realizing a seamless heterogeneous network. We then illustrate two impactful applications: for emergency communication as a near-future and non-profit application, and for simultaneous transmission of information and power as a long-term application. © 2015 IEEE.
- Institute of Electrical and Electronics Engineers Inc.
- Related Researcher
Choi, Jihwan P.
NC(Networks and Communications) Research Group
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- Information and Communication EngineeringNC(Networks and Communications) Research Group1. Journal Articles
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