Journal
IEEE WIRELESS COMMUNICATIONS
Volume 28, Issue 3, Pages 70-76Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/MWC.001.2000273
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Funding
- National Key Research and Development Program of China [2017YFB0403402]
- U.S. Multidisciplinary University Research Initiative [18RT0073]
- NSF [EARS-1839818, CNS1717454, CNS-1731424, CNS-1702850]
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This article proposes a novel wireless communication system based on optical wireless communication (OWC) for ultra-high-speed ground transportation, which features high reliability, low latency, and a handover-free method. Improving system reliability through a seamless connection system structure, OWC can effectively avoid Doppler spread.
Modern society demands a new kind of ultra-high-speed ground transportation, which can be achieved by evacuated tube transportation (ETT). However, conventional radio frequency communication is faced with serious Doppler spread and frequent handovers in such ultra-high-speed environments. Thus, in this article, a novel wireless communication system suitable for ETT is proposed, which is based on optical wireless communication (OWC). This system meets the requirements of ultra-high speed, high reliability, and low latency, while the OWC can effectively avoid Doppler spread in metal tubes by nature. In addition, a system structure with seamless connection is designed to improve system reliability by providing communication redundancy. Furthermore, a vehicle-centric handover-free method is proposed, which can effectively reduce the number of handovers, thereby decreasing system latency. Finally, the challenges and future research trends for ultra-high-speed trains are highlighted to provide insights on the potential future work for researchers in this field.
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