Optimizing Service Areas in 6G mmWave/THz Systems with Dual Blockage and Micromobility

Elizaveta Golos, Anastasia Daraseliya (), Eduard Sopin, Vyacheslav Begishev and Yuliya Gaidamaka
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Elizaveta Golos: Applied Informatics and Probability Theory Department, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia
Anastasia Daraseliya: Applied Informatics and Probability Theory Department, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia
Eduard Sopin: Applied Informatics and Probability Theory Department, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia
Vyacheslav Begishev: Applied Informatics and Probability Theory Department, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia
Yuliya Gaidamaka: Applied Informatics and Probability Theory Department, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia

Mathematics, 2023, vol. 11, issue 4, 1-13

Abstract: The modern 5G millimeter wave (mmWave) New Radio (NR) systems as well as future terahertz (THz) radio access technologies (RAT) will heavily rely on beamforming to combat the excessive path losses. Additionally, both RATs target similar bandwidth-greedy non-elastic traffic and are affected by the blockage phenomena. To improve service reliability in these systems multiconnectivity can be utilized to dynamically hand over the ongoing sessions between two technologies. In this article, we investigate the association strategies in collocated deployments of mmWave/THz systems and evaluate the impact of the utilized antenna arrays. Our results show that accepting sessions to THz BS that may experience outage in blocked conditions is preferable when multiconnecitvity is utilized as compared to accepting them to mmWave BS. However, extending the coverage of THz base station (BS) by increasing the number of antenna elements slightly affects performance metrics. Nevertheless, there is still non-negligible probability of dropping sessions accepted for service, implying that in 6G deployments the support of fully reliable microwave technology such as sub-6 GHz NR is vital.

Keywords: 6G; mmWave; THz; blockage; micromobility; coverage (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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