RIS-Aided Next-Generation High-Speed Train Communications: Challenges, Solutions, and Future Directions
High-speed train (HST) communication is a very challenging scenario in wireless communication systems due to its fast time-varying channels and significant penetration loss. Thanks to its low cost and smart channel reconfiguration ability, the reconfigurable intelligent surface (RIS) has been propos...
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| Veröffentlicht in: | IEEE wireless communications 2021-12, Vol.28 (6), p.145-151 |
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| container_title | IEEE wireless communications |
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| creator | Zhang, Jiayi Liu, Heng Wu, Qingqing Jin, Yu Chen, Yuanbin Ai, Bo Jin, Shi Cui, Tie Jun |
| description | High-speed train (HST) communication is a very challenging scenario in wireless communication systems due to its fast time-varying channels and significant penetration loss. Thanks to its low cost and smart channel reconfiguration ability, the reconfigurable intelligent surface (RIS) has been proposed as a promising technology to solve the aforementioned challenges cost effectively and achieve high spectral and energy efficiency in the next-generation HST communication systems. In this article, we first provide a novel RIS-aided HST wireless communication paradigm, including its main challenges and application scenarios. Furthermore, practical solutions are provided to realize efficient signal processing and resource management in the considered system. Finally, promising research directions of RIS-aided HST communication systems are pointed out to inspire further investigation in future work. |
| doi_str_mv | 10.1109/MWC.001.2100170 |
| format | Article |
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Thanks to its low cost and smart channel reconfiguration ability, the reconfigurable intelligent surface (RIS) has been proposed as a promising technology to solve the aforementioned challenges cost effectively and achieve high spectral and energy efficiency in the next-generation HST communication systems. In this article, we first provide a novel RIS-aided HST wireless communication paradigm, including its main challenges and application scenarios. Furthermore, practical solutions are provided to realize efficient signal processing and resource management in the considered system. Finally, promising research directions of RIS-aided HST communication systems are pointed out to inspire further investigation in future work.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/MWC.001.2100170</doi><tpages>7</tpages></addata></record> |
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| subjects | Costs High speed rail High-speed rail transportation Performance gain Reconfigurable intelligent surfaces Reconfiguration Resource management Signal processing System performance Time-varying channels Wireless communication Wireless communication systems Wireless communications |
| title | RIS-Aided Next-Generation High-Speed Train Communications: Challenges, Solutions, and Future Directions |
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