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Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band

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

Dmitri Moltchanov¹, Aleksandr Ometov¹, Pavel Kustarev²

¹Tampere University, 33720 Tampere, Finland.

Sensors (Basel, Switzerland)

|July 16, 2020

Summary

Dynamic human blockage of 5G New Radio (NR) paths minimally impacts Transmission Control Protocol (TCP) performance. TCP can fully leverage 5G

Keywords:

5G NR TCP analysis blockage mmWave

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Area of Science:

Wireless communication systems
Mobile networking
Radio propagation

Background:

Dynamic blockage of radio paths in 5G New Radio (NR) systems can cause rate fluctuations.
These fluctuations may negatively affect the performance of the Transmission Control Protocol (TCP).

Discussion:

This study analyzes the impact of dynamic human blockage on TCP throughput in 5G NR.
An analytical model is developed to relate TCP throughput to round-trip time (RTT), environmental, and radio parameters.

Key Insights:

TCP throughput is affected by blockage only when RTT is comparable to state durations and state changes are frequent.
These specific conditions are uncommon in typical dynamic body blockage scenarios.

Outlook:

TCP can largely benefit from the high bandwidth of 5G NR systems.
Further research could explore mitigation strategies for edge cases or different blockage types.