Caldwell, George

Mogensen, Preben Elgaard

Portela Lopes de Almeida, Erika

Rodriguez Larrad, Ignacio

Sørensen, Troels Bundgaard

Uzeda Garcia, Luis Guilherme

Vieira, Robson

English

In this paper, we investigate the suitability of thepropagation models ITU-R 526, Okumura Hata, COST Hatamodels and Standard Propagation Model (SPM) to predictthe path loss in open-pit mines. The models are evaluated bycomparing the predicted data with measurements obtained in twooperational iron-ore mining complexes in Brazil. Additionally, asimple deterministic model, based on the inclusion of an effectiveantenna height term to the ITU-R 526, is proposed and comparedto the other methods. The results show that the proposed modelresults in root-mean-square error values between 5.5 dB and 9.2dB, and it is capable of providing a close approximation of thebest predictions (i.e. those with lowest root-mean-squared error)as provided by the SPM. The proposed model, however, reducesthe calibration complexity considerabl

An Empirical Study of Propagation Models for Wireless Communications in Open-pit Mines

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An Empirical Study of Propagation Models for Wireless Communications in Open-Pit Mines

https://vbn.aau.dk/ws/files/284445243/main.pdf

An Empirical Study of Propagation Models for Wireless Communications in Open-pit Mines

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