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Indoor 3-D RT Radio Wave Propagation Prediction Method: PL and RSSI Modeling Validation by Measurement at 4.5 GHz

1
Faculty of Engineering and Technology, Multimedia University, Melaka 75450, Malaysia
2
Faculty of Electrical Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia
3
Faculty of Engineering, Department of Electrical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
4
Faculty of Engineering, Multimedia University, Cyberjaya 63100, Malaysia
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Faculty of Information Science and Technology, Multimedia University, Melaka 75450, Malaysia
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Faculty of Engineering and Technology, Tunku Abdul Rahman University College, Kuala Lumpur 53300, Malaysia
7
Faculty of Computing, Engineering and Technology, Asia Pacific University of Technology & Innovation, Kuala Lumpur 57000, Malaysia
*
Authors to whom correspondence should be addressed.
Electronics 2019, 8(7), 750; https://doi.org/10.3390/electronics8070750
Received: 10 May 2019 / Revised: 4 June 2019 / Accepted: 5 June 2019 / Published: 3 July 2019
(This article belongs to the Section Microwave and Wireless Communications)
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PDF [4481 KB, uploaded 3 July 2019]
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Abstract

This article introduces an efficient analysis of indoor 4.5 GHz radio wave propagation by using a proposed three-dimensional (3-D) ray-tracing (RT) modeling and measurement. The attractive facilities of this frequency band have significantly increased in indoor radio wave communication systems. Radio propagation predictions by simulation method based on a site-specific model, such as RT is widely used to categorize radio wave channels. Although practical measurement provides accurate results, it still needs a considerable amount of resources. Hence, a computerized simulation tool would be a good solution to categorize the wireless channels. The simulation has been performed with an in-house developed software tool. Here, the 3-D shooting bouncing ray tracing (SBRT) and the proposed 3-D ray tracing simulation have been performed separately on a specific layout where the measurement is done. Several comparisons have been performed on the results of the measurement: the proposed method, and the existing SBRT method simulation with respect to received signal strength indication (RSSI) and path loss (PL). The comparative results demonstrate that the RSSI and the PL of proposed RT have better agreements with measurement than with those from the conventional SBRT outputs. View Full-Text
Keywords: ray tracing; measurement; radio wave; path loss; base station; mobile station ray tracing; measurement; radio wave; path loss; base station; mobile station
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Hossain, F.; Kim Geok, T.; Abd Rahman, T.; Nour Hindia, M.; Dimyati, K.; Ahmed, S.; Tso, C.P.; Abdaziz, A.; Lim, W.; Mahmud, A.; Peng, T.C.; Liew, C.P.; Thiruchelvam, V. Indoor 3-D RT Radio Wave Propagation Prediction Method: PL and RSSI Modeling Validation by Measurement at 4.5 GHz. Electronics 2019, 8, 750.

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