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Analytical TCP Model for Millimeter-Wave 5G NR Systems in Dynamic Human Body Blockage Environment

1
Tampere University, 33720 Tampere, Finland
2
ITMO University, 197101 St. Petersburg, Russia
3
National Research University Higher School of Economics, 101000 Moscow, Russia
4
Brno University of Technology, 616 00 Brno, Czech Republic
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(14), 3880; https://doi.org/10.3390/s20143880
Received: 11 June 2020 / Revised: 6 July 2020 / Accepted: 9 July 2020 / Published: 12 July 2020
(This article belongs to the Section Sensor Networks)
Dynamic blockage of radio propagation paths between the user equipment (UE) and the 5G New Radio (NR) Base Station (BS) induces abrupt rate fluctuations that may lead to sub-optimal performance of the Transmission Control Protocol (TCP) protocol. In this work, we characterize the effects of dynamic human blockage on TCP throughput at the 5G NR air interface. To this aim, we develop an analytical model that expresses the TCP throughput as a function of the round-trip time (RTT), environmental, and radio system parameters. Our results indicate that the blockage affects TCP throughput only when the RTT is comparable to the blocked and non-blocked state durations when the frequency of state changes is high. However, such conditions are not typical for dynamic body blockage environments allowing TCP to benefit from the high bandwidth of 5G NR systems fully. View Full-Text
Keywords: 5G NR; TCP; mmWave; blockage; analysis 5G NR; TCP; mmWave; blockage; analysis
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MDPI and ACS Style

Moltchanov, D.; Ometov, A.; Kustarev, P.; Evsutin, O.; Hosek, J.; Koucheryavy, Y. Analytical TCP Model for Millimeter-Wave 5G NR Systems in Dynamic Human Body Blockage Environment. Sensors 2020, 20, 3880.

AMA Style

Moltchanov D, Ometov A, Kustarev P, Evsutin O, Hosek J, Koucheryavy Y. Analytical TCP Model for Millimeter-Wave 5G NR Systems in Dynamic Human Body Blockage Environment. Sensors. 2020; 20(14):3880.

Chicago/Turabian Style

Moltchanov, Dmitri; Ometov, Aleksandr; Kustarev, Pavel; Evsutin, Oleg; Hosek, Jiri; Koucheryavy, Yevgeni. 2020. "Analytical TCP Model for Millimeter-Wave 5G NR Systems in Dynamic Human Body Blockage Environment" Sensors 20, no. 14: 3880.

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