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Location-Based LTE-M Uplink Power Control and Radio Resource Scheduling

Long-Term Evolution for Metro (LTE-M) is adopted as the data communication system in urban rail transit to exchange bio-direction train-wayside information. Reliable data communication is essential in LTE-M systems for ensuring trains’ operation safety and efficiency. However, the inter-cell inferen...

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Detalles Bibliográficos
Autores principales: Wang, Jibao, Jiang, Hailin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8880321/
https://www.ncbi.nlm.nih.gov/pubmed/35214374
http://dx.doi.org/10.3390/s22041474
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author Wang, Jibao
Jiang, Hailin
author_facet Wang, Jibao
Jiang, Hailin
author_sort Wang, Jibao
collection PubMed
description Long-Term Evolution for Metro (LTE-M) is adopted as the data communication system in urban rail transit to exchange bio-direction train-wayside information. Reliable data communication is essential in LTE-M systems for ensuring trains’ operation safety and efficiency. However, the inter-cell inference problem exists in LTE results in throughput reduction, especially when trains are in the edge area of adjacent cells, and has negative effects on train operation. The uplink power control and radio resource scheduling scheme is studied in LTE-M system which differentiates from public cellular networks in user numbers and the availability of the trains’ locations. Since the locations of the trains are available, the interferences from the neighbouring cells can be calculated, and a location based algorithm together with soft frequency reuse is designed. In addition, a proportional fair algorithm is taken to improve uplink radio resource scheduling considering the fairness to different train-wayside communication service requirements. Through simulation, the practicability of the proposed schemes in communication system of urban rail transit is verified in aspects of radio power control and data communication throughput.
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spelling pubmed-88803212022-02-26 Location-Based LTE-M Uplink Power Control and Radio Resource Scheduling Wang, Jibao Jiang, Hailin Sensors (Basel) Article Long-Term Evolution for Metro (LTE-M) is adopted as the data communication system in urban rail transit to exchange bio-direction train-wayside information. Reliable data communication is essential in LTE-M systems for ensuring trains’ operation safety and efficiency. However, the inter-cell inference problem exists in LTE results in throughput reduction, especially when trains are in the edge area of adjacent cells, and has negative effects on train operation. The uplink power control and radio resource scheduling scheme is studied in LTE-M system which differentiates from public cellular networks in user numbers and the availability of the trains’ locations. Since the locations of the trains are available, the interferences from the neighbouring cells can be calculated, and a location based algorithm together with soft frequency reuse is designed. In addition, a proportional fair algorithm is taken to improve uplink radio resource scheduling considering the fairness to different train-wayside communication service requirements. Through simulation, the practicability of the proposed schemes in communication system of urban rail transit is verified in aspects of radio power control and data communication throughput. MDPI 2022-02-14 /pmc/articles/PMC8880321/ /pubmed/35214374 http://dx.doi.org/10.3390/s22041474 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Wang, Jibao
Jiang, Hailin
Location-Based LTE-M Uplink Power Control and Radio Resource Scheduling
title Location-Based LTE-M Uplink Power Control and Radio Resource Scheduling
title_full Location-Based LTE-M Uplink Power Control and Radio Resource Scheduling
title_fullStr Location-Based LTE-M Uplink Power Control and Radio Resource Scheduling
title_full_unstemmed Location-Based LTE-M Uplink Power Control and Radio Resource Scheduling
title_short Location-Based LTE-M Uplink Power Control and Radio Resource Scheduling
title_sort location-based lte-m uplink power control and radio resource scheduling
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8880321/
https://www.ncbi.nlm.nih.gov/pubmed/35214374
http://dx.doi.org/10.3390/s22041474
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