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Authors: Zelin Gong ; Ying Wang and Tao Luo

Affiliation: Beijing University of Posts and Telecommunications, China

Keyword(s): LTE-M, LTE-U, Duty cycle, Unlicensed spectrum.

Abstract: A shortage of licensed spectrum is a major hindrance to the capacity of Long Term Evolution for Metro (LTE-M) to carry urban rail transit services at present. Inspired by LTE-Unlicensed (LTE-U) offloading some of data traffic transmitted in licensed spectrum by accessing the unlicensed 5GHz frequency band, we propose a queue-sensing-based Carrier Sensing Adaptive Transmission (CSAT) scheme for LTE-M in unlicensed spectrum based on LTE-U. The scheme calculates the minimum amount of data that should be transmitted during current transmission duration by queue length at the beginning of each LTE-U cycle, according to which, LTE-U adjusts its duty cycle to meet the requirement of LTE-M service. This paper focuses on the downlink transmission scheme for LTE-M in unlicensed spectrum, and verifies its performance by simulation, which tells that Queue-sensing-based CSAT will not only provide a reliable transmission for LTE-M services, but also maximize the fairness of channel occupancy in un licensed spectrum. (More)

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Paper citation in several formats:
Gong, Z.; Wang, Y. and Luo, T. (2019). Queue-Sensing-Based CSAT: A Downlink Transmission Scheme for LTE-M in Unlicensed Spectrum. In Proceedings of the International Conference on Advances in Computer Technology, Information Science and Communications - CTISC; ISBN 978-989-758-357-5, SciTePress, pages 92-97. DOI: 10.5220/0008098500920097

@conference{ctisc19,
author={Zelin Gong. and Ying Wang. and Tao Luo.},
title={Queue-Sensing-Based CSAT: A Downlink Transmission Scheme for LTE-M in Unlicensed Spectrum},
booktitle={Proceedings of the International Conference on Advances in Computer Technology, Information Science and Communications - CTISC},
year={2019},
pages={92-97},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0008098500920097},
isbn={978-989-758-357-5},
}

TY - CONF

JO - Proceedings of the International Conference on Advances in Computer Technology, Information Science and Communications - CTISC
TI - Queue-Sensing-Based CSAT: A Downlink Transmission Scheme for LTE-M in Unlicensed Spectrum
SN - 978-989-758-357-5
AU - Gong, Z.
AU - Wang, Y.
AU - Luo, T.
PY - 2019
SP - 92
EP - 97
DO - 10.5220/0008098500920097
PB - SciTePress

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