Multi-lane urban mmWave V2V networks: A path loss behaviour dependent coverage analysis

Özpolat, Mümin; Bhargava, Kushagra; Kampert, Erik; Higgins, Matthew D.

doi:10.1016/j.vehcom.2021.100348

Cited by 4 publications

(1 citation statement)

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“…The last two factors (frequency-dependent PLE and XPD) were considered in one model called the CIFX model [23]. In [49] and [50], a dual-slope CI path loss model was presented. This model provides higher precision in predicting the path loss than the standard CI model.…”

Section: Introductionmentioning

confidence: 99%

An Efficient Approach of Improving Path Loss Models for Future Mobile Networks in Enclosed Indoor Environments

Elmezughi

Afullo

2021

IEEE Access

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Path loss is the primary aspect that determines the overall coverage of networks. Designing reliable wireless communication systems requires accurate path loss prediction models. Future wireless mobile systems will rely mainly on the super-high frequency (SHF) and the millimeter-wave (mmWave) frequency bands due to the massive available bandwidths that will meet projected users' demand, such as the needs of the fifth-generation (5G) wireless systems and other high-speed multimedia services. However, these bands are more sensitive and exhibit a different propagation behavior compared to the frequency bands below 6 GHz. Hence, improving the existing models and developing new models are vital for characterizing the wireless communication channel in both indoor and outdoor environments for future SHF and mmWave services. This paper proposes an efficient improvement of the well-known close-in (CI) free space reference distance model and the floating-intercept (FI) model. Real measured data was taken for both line-of-sight (LOS) and non-line-of-sight (NLOS) communication scenarios in a typical indoor corridor environment at three selected frequencies within the SHF band, namely 14 GHz, 18 GHz, and 22 GHz. The research finding of this work reveals that the proposed models have better performance in terms of their accuracy of fitting real measured data collected from measurement campaigns. In addition, this work studies the impact of the angle of arrival and the antenna heights on the current and improved CI and FI models. The results show that the improved models provide better stability and sensitivity to the change of these parameters. Furthermore, the mean square error between the models and their improved versions were presented. Finally, this paper shows that shadow fading's standard deviation can have a notable reduction in both the LOS and NLOS scenarios (especially in the NLOS), which means higher precision in predicting the path loss.INDEX TERMS Path loss, propagation measurements, 5G, angle of arrival, antenna height.

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Section: Introductionmentioning

confidence: 99%