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Home  >  Volume 46 (May, 2018)

33. STUDY OF PATH LOSS MODEL PREDICTION FOR URBAN AND SUBURBAN ENVIRONMENTS OF ONDO STATE, NIGERIA P. Akinyemi, C.I. Abiodun, O.O. Adeoye-Oladapo, KolebajeO.T. and Abiodun O.A. Volume 46 (May, 2018 Issue), pp253 –256
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STUDY OF PATH LOSS MODEL PREDICTION FOR URBAN AND SUBURBAN ENVIRONMENTS OF ONDO STATE, NIGERIA

P. Akinyemi1, C. Abiodun, O.O. Adeoye-Oladapo, KolebajeO.T. and Abiodun O.A.

Department of Physics, Adeyemi College of Education, Ondo State.

Department of Physics, Federal University Otuoke, Bayelsa State.                                       Directorate of Management Information System Unit, Adeyemi college, Ondo, Ondo State

Abstract

Accurate prediction of propagation model is important for proposed microcellular systems employing base station antennas. This paper presents an empirical path loss model formulated from measured data of urban and suburban environments of Ondo State. From the measured data, the path loss exponent (n) for the investigated urban environment is 3.90 with a shadowing effect of 7.15dB. Similarly, the path loss exponent (n) for the investigated suburban environment is 3.20 with a shadowing effect of 6.32dB.The RMSE values of the proposed models for the urban and sub-urban environment considered varies between 8.05to3.0dB. The fitting of the measured path loss value with normal distribution function was also carried out and the results showed a mean path loss value of 128 dB and standard deviation of 14 dB for Ondo town environment and a mean value of 125 dB and standard deviation of 11 dB for Ajue Town which represents a typical sub-urban environment.  The proposed shadowing propagation model is deemed acceptable as a suitable propagation model in the studied locations since the RMSE value is within 8 to 4dB.

Keywords:  Pathloss, path loss exponent, empirical models, received signal strength

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