Performance of Path Loss Models over Mid-Band and High-Band Channels for 5G Communication Networks: A Review

Farouq E. Shaibu (), Elizabeth N. Onwuka, Nathaniel Salawu, Stephen S. Oyewobi, Karim Djouani and Adnan M. Abu-Mahfouz
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Farouq E. Shaibu: Department of Telecommunications Engineering, Federal University of Technology, Minna P.M.B 65, Niger State, Nigeria
Elizabeth N. Onwuka: Department of Telecommunications Engineering, Federal University of Technology, Minna P.M.B 65, Niger State, Nigeria
Nathaniel Salawu: Department of Telecommunications Engineering, Federal University of Technology, Minna P.M.B 65, Niger State, Nigeria
Stephen S. Oyewobi: Department of Telecommunications Engineering, Federal University of Technology, Minna P.M.B 65, Niger State, Nigeria
Karim Djouani: French South African Institute of Technology (FSATI), Tshwane University of Technology, Pretoria 0001, South Africa
Adnan M. Abu-Mahfouz: French South African Institute of Technology (FSATI), Tshwane University of Technology, Pretoria 0001, South Africa

Future Internet, 2023, vol. 15, issue 11, 1-32

Abstract: The rapid development of 5G communication networks has ushered in a new era of high-speed, low-latency wireless connectivity, as well as the enabling of transformative technologies. However, a crucial aspect of ensuring reliable communication is the accurate modeling of path loss, as it directly impacts signal coverage, interference, and overall network efficiency. This review paper critically assesses the performance of path loss models in mid-band and high-band frequencies and examines their effectiveness in addressing the challenges of 5G deployment. In this paper, we first present the summary of the background, highlighting the increasing demand for high-quality wireless connectivity and the unique characteristics of mid-band (1–6 GHz) and high-band (>6 GHz) frequencies in the 5G spectrum. The methodology comprehensively reviews some of the existing path loss models, considering both empirical and machine learning approaches. We analyze the strengths and weaknesses of these models, considering factors such as urban and suburban environments and indoor scenarios. The results highlight the significant advancements in path loss modeling for mid-band and high-band 5G channels. In terms of prediction accuracy and computing effectiveness, machine learning models performed better than empirical models in both mid-band and high-band frequency spectra. As a result, they might be suggested as an alternative yet promising approach to predicting path loss in these bands. We consider the results of this review to be promising, as they provide network operators and researchers with valuable insights into the state-of-the-art path loss models for mid-band and high-band 5G channels. Future work suggests tuning an ensemble machine learning model to enhance a stable empirical model with multiple parameters to develop a hybrid path loss model for the mid-band frequency spectrum.

Keywords: 5G communication; empirical model; high-band; machine learning model; mid-band; path loss (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2023
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