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Architectures and Key Technical Challenges for 5G Systems Incorporating Satellites
Open accessAbstract
Satellite communication systems are a promising solution to extend and complement terrestrial networks in unserved or under-served areas, as reflected by recent commercial and standardization endeavors. In particular, 3GPP recently initiated a study item for new radio, i.e., 5G, non-terrestrial networks aimed at deploying satellite systems either as a stand-alone solution or as an integration to terrestrial networks in mobile broadband and machine-type communication scenarios. However, typical satellite channel impairments, as large path losses, delays, and Doppler shifts, pose severe challenges to the realization of a satellite-based NR network. In this paper, based on the architecture options currently being discussed in the standardization fora, we discuss and assess the impact of the satellite channel characteristics on the physical and medium access control layers, both in terms of transmitted waveforms and procedures for enhanced mobile broadband and narrowband-Internet of Things applications. The proposed analysis shows that the main technical challenges are related to the PHY/MAC procedures, in particular random access, timing advance, and hybrid automatic repeat request and depending on the considered service and architecture, different solutions are proposed.
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Cited by
Satellite Communications in the New Space Era: A Survey and Future Challenges
Kodheli, O., Lagunas, E., Maturo, N., Sharma, S. K., Shankar, B., Montoya, J. F. M., Duncan, J. C. M., Spano, D., Chatzinotas, S., Kisseleff, S., et al. (2021) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2020.3028247 · Cited by 1,524
Self-citation5G from Space: An Overview of 3GPP Non-Terrestrial Networks
Lin, X., Rommer, S., Euler, S., Yavuz, E. A., & Karlsson, R. S. (2021) · IEEE Communications Standards Magazine · doi:10.1109/mcomstd.011.2100038 · Cited by 291
Physical-Layer Security in Space Information Networks: A Survey
Li, B., Fei, Z., Zhou, C., & Zhang, Y. (2020) · IEEE Internet of Things Journal · doi:10.1109/jiot.2019.2943900 · Cited by 267
Xu, C., Xiang, L., An, J., Dong, C., Sugiura, S., Maunder, R. G., Yang, L.-L., & Hanzo, L. (2023) · IEEE Internet of Things Journal · doi:10.1109/jiot.2022.3203895 · Cited by 90
Non-geostationary orbit constellation design for global connectivity
Leyva-Mayorga, I., Soret, B., Matthiesen, B., Röper, M., Wübben, D., Dekorsy, A., & Popovski, P. (2022) · Non-Geostationary Satellite Communications Systems · doi:10.1049/pbte105e_ch10 · Cited by 20
Metadata
- Authors
- Guidotti, A., Vanelli-Coralli, A., Conti, M., Andrenacci, S., Chatzinotas, S., Maturo, N., Evans, B., Awoseyila, A., Ugolini, A., Foggi, T., Gaudio, L., Alagha, N., & Cioni, S.
- Venue
- IEEE Transactions on Vehicular Technology
- Published
- 2019-03
- Volume
- 68
- Issue
- 3
- Pages
- 2624-2639
- ISSN
- 0018-9545 (ISSN-L)
- 1939-9359
- OpenAlex
- W2807554399
- Cited by
- 370
- References
- 0
- FWCI
- 36.61
- Type
- journal article
- Language
- en
- Open access
- green
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- Guidotti, A., Vanelli-Coralli, A., Conti, M., Andrenacci, S., Chatzinotas, S., Maturo, N., Evans, B., Awoseyila, A., Ugolini, A., Foggi, T., Gaudio, L., Alagha, N., & Cioni, S. (2019). Architectures and Key Technical Challenges for 5G Systems Incorporating Satellites. IEEE Transactions on Vehicular Technology. https://doi.org/10.1109/tvt.2019.2895263
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