@article{ref1,
title="Radio communication in curved tunnels: MIMO channel capacity for rail transit applications",
journal="IEEE vehicular technology magazine",
year="2020",
author="Aziminejad, Arash and He, Yan",
volume="15",
number="1",
pages="99-106",
abstract="The rail transportation industry has seen a growing interest in the use of radio-access technology (RAT) for critical and noncritical services to improve safety/reliability, performance, and passenger experience. There is a practical incentive to investigate how to improve wayside-onboard wireless channel throughput and transmission reliability to address the different requirements of data transmission. To this end, during the past two decades, the theory and practice of multiple-input/multiple-output (MIMO) communications has solidified to the point where MIMO is now the main infrastructure for several legacy and emerging radio-access standards. In this article, the impact of subway tunnels' curvatures on MIMO channel capacity is explored. A heuristic approach is proposed, providing an efficient and low-complexity solution for MIMO channel capacity in curved subway tunnels within both the collocated MIMO (C-MIMO) and distributed MIMO (D-MIMO) paradigms. The suggested approach is quite versatile and can be swiftly expanded to multisegment, inhomogeneous tunnels.<p /> <p>Language: en</p>",
language="en",
issn="1556-6072",
doi="10.1109/MVT.2019.2960590",
url="http://dx.doi.org/10.1109/MVT.2019.2960590"
}