Sky High 5G: New Radio for Air-to-Ground Communications

Lin, Xingqin; Furuskar, A.; Liberg, Olof; Euler, S.

doi:10.1007/978-3-030-58197-8_17

Cited by 9 publications

(2 citation statements)

References 8 publications

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“…Along with the development of vacuum tube maglev trains, future 5G systems will need to be further evolved to support train speeds of up to 1000 km/h. Current 5G systems are incapable of resolving the very high Doppler shifts [29]. Thus, the network structure, signal waveform and frame structure need to be redesigned.…”

Section: Ultra-high Speed Adaptabilitymentioning

confidence: 99%

Mobile 5G Network Deployment Scheme on High-Speed Railway

2023

Teh. vjesn.

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The fifth-generation (5G) wireless communication has experienced an upsurge of interest for empowering vertical industries, due to its high data volume, extremely low latency, high reliability, and significant improvement in user experience. Specifically, deploying 5G on high-speed railway (HSR) is critical for the promotion of smart travelling such that passengers can connect to the Internet and utilize the on-board time to continue their usual activities. However, there remains a series of challenges in practical implementation, such as the serious Doppler shift caused by the high mobility, the carriage penetration loss especially in the high-frequency bands, frequent handovers, and economic issues. To address these challenges, we propose three schemes in this article to improve the coverage of 5G networks on the train. In particular, we provide a comprehensive description of each scheme in terms of their network architecture and service establishment procedures. Specifically, the mobile edge computing (MEC) is used as the key technology to provide low-latency services for on-board passengers. Moreover, these three schemes are compared among themselves regarding the quality-of-service, the scalability of service, and the related industry development status. Finally, we discuss various potential research directions and open issues in terms of deploying 5G networks on HSR.

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Section: Ultra-high Speed Adaptabilitymentioning

confidence: 99%

Mobile 5G Network Deployment Scheme on High-Speed Railway

2023

Teh. vjesn.

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“…[143] discussed the possibility of 5G air-to-ground from the perspective of ground base station layout and cost. [144] discussed the challenges and future direction for applying 5G New but more practice is still needed to measure the commercial value between costs and margin. In the urban environment, 5G is already sufficient to cover the UAV airspace and provide faster and stable remote data transmission and control [145], [146].…”

Section: Infrastructurementioning

confidence: 99%

Digital Twin in Aerospace Industry: A Gentle Introduction

Aslam

Wileman

et al. 2022

IEEE Access

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Digital twin (DT), primarily a virtual replica of any conceivable physical entity, is a highly transformative technology with profound implications. Whether it be a product development, design optimisation, performance improvement, or predictive maintenance, digital twins are changing the ways work is undertaken in various industries with multifarious business applications. Aerospace industry, including its manufacturing base, is one such keen adopter of digital twins with an unprecedented interest in their bespoke design, development, and implementation across wider operations and critical functions. This, however, comes with some misconceptions about the digital twin technology and lack of understanding with respect to its optimal implementation. For instance, equating digital twin to an intelligent model while ignoring the essential components of data acquisition and visualisation, misleads the creators into building digital shadow or digital models, instead of the actual digital twin. This paper unfolds such intricacies of digital twin technology for the aerospace community in particular and others in general so as to remove the fallacies that affect their effective realisation for safety-critical systems. It comprises a comprehensive survey of digital twins and their constituent elements. Elaborating their characteristic stateof-the-art composition along with corresponding limitations, three dimensions of the future digital twins for aerospace sector, termed as aero-Digital Twins (aero-DTs), are proposed as an outcome of this survey. These include the interactive, standardisation, and cognitive dimensions of digital twins, which if leveraged diligently could help the aero-DT research and development community quadruple the efficiency of existing and future aerospace systems as well as their associated processes.

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