Packet duplication is a technique proposed by 3GPP to enhance the throughput and reliability in 5G networks. This can be activated in both dual connectivity and carrier aggregation architectures. Currently, in 3GPP 5G NR specifications, packet duplication is semi-statically controlled via higher layer signaling. However, this may lead to loss of throughput as it may be activated even when it is not necessary. In this paper, we study dynamic activation of packet duplication based on certain parameters of a user equipment (UE) and show that there is a reliability-vs-throughput trade-off that must be handled carefully when using this feature. Extensive numerical results are presented to support the findings in this paper. © 2020 IEEE.

Kiran Kuchi

Department of Electrical Engineering

S.M. Rayavarapu

S.D. Amuru

Indian Institute of Technology Hyderabad (IITH) is a premier institute of science and technology established in 2008. IITH has been consistently ranked in the&nbsp;<a href="https://iith.ac.in/reports/" rel="noopener noreferrer">top 10 institutes</a>&nbsp;in India for Engineering&nbsp;<a href="https://www.nirfindia.org/2021/EngineeringRanking.html" rel="noopener noreferrer" target="_blank">according to NIRF</a>&nbsp;making it one of the most coveted schools for science and technology in the country.

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Journal	Data powered by Typeset2020 International Conference on COMmunication Systems and NETworkS, COMSNETS 2020
Publisher	Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc.