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The effect of small-scale mobility on terahertz band communications

Published: 05 September 2018 Publication History

Abstract

The use of massive antenna arrays for creating extremely directive antenna radiation patterns is considered vital for overcoming high path loss and atmospheric absorption of terahertz links. However, high directivity also results in frequent misalignment of beams due to small-scale/micro-mobility of user equipment (UE), such as shakes and rotations, leading to the spontaneous degradation of SNR level and waste of communications time for the beam searching procedure. In this paper, we make the initial steps to investigate the behavior of terahertz band link characteristics subject to the small-scale mobility of UE. We show that the optimal antenna directivity angle leading to the highest, on average, capacity heavily depends on the micro-mobility pattern of the UE. Further investigations in this area will contribute to the design of robust and high-performance communication systems in the terahertz band.

References

[1]
Ian F Akyildiz and Josep Miquel Jornet. 2016. Realizing ultra-massive MIMO (1024 × 1024) communication in the (0.06--10) terahertz band. Nano Communication Networks 8 (2016), 46--54.
[2]
Sooyoung Hur, Taejoon Kim, David J Love, James V Krogmeier, Timothy A Thomas, and Amitava Ghosh. 2013. Millimeter wave beamforming for wireless backhaul and access in small cell networks. IEEE Transactions on Communications 61, 10 (2013), 4391--4403.
[3]
Josep Miquel Jornet and Ian F Akyildiz. 2011. Channel modeling and capacity analysis for electromagnetic wireless nanonetworks in the terahertz band. IEEE Transactions on Wireless Communications 10, 10 (2011), 3211--3221.
[4]
Vitaly Petrov, Mikhail Komarov, Dmitri Moltchanov, Josep Miquel Jornet, and Yevgeni Koucheryavy. 2016. Interference Analysis of EHF/THF Communications Systems with Blocking and Directional Antennas. In Proc. of IEEE GLOBECOM. {5} Vutha Va, Junil Choi, and Robert W. Heath. 2017. The impact of beamwidth on temporal channel variation in vehicular channels and its implications. IEEE Transactions on Vehicular Technology 66, 6 (June 2017), 5014--5029.

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  1. The effect of small-scale mobility on terahertz band communications

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        cover image ACM Other conferences
        NANOCOM '18: Proceedings of the 5th ACM International Conference on Nanoscale Computing and Communication
        September 2018
        210 pages
        ISBN:9781450357111
        DOI:10.1145/3233188
        Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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        New York, NY, United States

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        Published: 05 September 2018

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        Author Tags

        1. beam steering
        2. capacity
        3. micro-mobility
        4. terahertz communications

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        • (2024)Battery Lifetime and Power Consumption in 5G Systems with Intra- and Inter-RAT Dual-ConnectivityIEEE Transactions on Mobile Computing10.1109/TMC.2023.3311348(1-15)Online publication date: 2024
        • (2024)Terahertz Communications and Sensing for 6G and Beyond: A Comprehensive ReviewIEEE Communications Surveys & Tutorials10.1109/COMST.2024.338590826:4(2326-2381)Online publication date: Dec-2025
        • (2024)Antenna Beamforming Patterns of Multimedia Transmissions for NextG Phy-Security2024 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)10.1109/BMSB62888.2024.10608250(1-6)Online publication date: 19-Jun-2024
        • (2024)Comparison of energy conservation strategies for 5G NR RedCap service in industrial environmentComputer Networks10.1016/j.comnet.2024.110792254(110792)Online publication date: Dec-2024
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        • (2023)System-Level Analysis of Energy and Performance Trade-Offs in mmWave 5G NR SystemsIEEE Transactions on Wireless Communications10.1109/TWC.2023.325009222:11(7304-7318)Online publication date: Nov-2023
        • (2023)Multiband Sub-THz Double Angular Characterization in Indoor ScenarioIEEE Transactions on Antennas and Propagation10.1109/TAP.2022.322747471:2(1747-1756)Online publication date: Feb-2023
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        • (2023)Packet Level Performance of 5G NR System Under Blockage and Micromobility ImpairmentsIEEE Access10.1109/ACCESS.2023.330702111(90383-90395)Online publication date: 2023
        • (2022)Ergodic Outage and Capacity of Terahertz Systems Under Micromobility and Blockage ImpairmentsIEEE Transactions on Wireless Communications10.1109/TWC.2021.311758321:5(3024-3039)Online publication date: May-2022
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