Propagation measurement workshop radio propagation models. Deterministic equations for computer approximation of itu. The combination and use of these practical approximation equations in a computer worksheet to duplicate the results of itur p. This recommendation describes a method for pointtoar ea radio propagation predictions for terrestrial services in the frequency range 30 mhz to 3 000 mhz. The profile consists of several small hills, none of which form a dominant obstruction. Measurement and analysis on landtoship offshore wireless. The model combines a modified hata model and itu r p. This paper presents the performance evaluation of the itu r p. The resulting field strength must be checked to the maximum given by free space propagation, with some enhancement for small percentages of time in sea paths. Evaluation of radio over sea propagation based itur recommendation p. The source code and files included in this project are listed in the project files section, please make sure whether the listed source code meet your needs there.
The fourth topic presents the comparison between the measurements and the prediction given by itu r p. Pdf coverage optimization for dvbt2 sfns using itur p. Method for pointtoarea predictions for terrestrial services in the frequency range 30 mhz to 4 000 mhz recommendation p. In this paper, we compare measurement with prediction of itu. Measurements conducted around the pampulha lagoon in the city of belo horizonte, mg, brazil. Pdf in this paper, the validity of recommendation itur p. Blm was adopted by the itu r study group 3 in june 2001 doc. Results of our research encompasses methodology, im. Height loss value is not relevant for topographic propagation model calculated at real receiving antenna height. Deterministic equations for computer approximation of itur p. Minor issues corrected warm sea paths are now selected step 15 implemented with environment set values instead of any r value. Progira plan consists of a base module and four functionspecific modules microwave link planning, network planning, frequency planning, and network verification. Comparison and evaluation of itur recommendation p. Propagation measurement workshop radio propagation models july 28, 2016 12 pm mdt institute for telecommunication sciences.
Index termsradio over sea propagation, propagation prediction, hit rate metrics, itur p. Studying different propagation models for ltea system. Propagation prediction methods for international regulation. A radio propagation model for mixed paths in amazon. Propagation measurement workshop radio propagation models july 28, 2016. Propagation models based on itur latest recommendations available at the time of development, i. Educational software for learning the calculation of radio electric. Itu r sg3 itu mainly has three sectors, namely the telecommunication standard sector itu t, the radio communication. This recommendation provides prediction methods for the propagation effects that.
Path loss calculator for jtg 5 6 propagation model in matlab. Improving the treatment of mixedterrain paths of the. In this sense, this study provides a comparative performance analysis of the international telecommunication union radio communication sector itu r recommendations p. For largescale fading, free space path loss model, itur p. Pillay, manogaran saargunawathy, and dinesh madhavan abstract free space path loss modelling is a model used to model path loss propagation for wireless local area networks. Comparison of measurement with prediction of itur p. Information of each point has latitude, longitude, and height. Blm was adopted by the itur study group 3 in june 2001 doc. Comparison of the results of the propagation measurement campaign with the p. Pdf evaluation of the propagation model recommendation itur. Spectrum management system for developing countries. This promotes compatibility between the itu recommendations and this new longley rice implementation. A pathspecific propagation prediction method for pointtoarea terrestrial services in the vhf and uhf bands.
Keywordselectromagnetic compatibility, interferences, propagation, seamcat, spectrum engineering. The results show that the extended hata model is feasible for ltea system to compute the path loss when deployed in different environments. Method for pointtoarea predictions for terrestrial. Analytical diffraction model of vband propagation for the. Measurements of a cw signal in brazil and comparison with. Scatter plot of the path loss estimated by the mixed path itur p. It is intended for use on tropospheric radio circuits over land paths. Evaluation of radio over sea propagation based itur. In prac tice this need not concern us, as we did not take into account the masking effect of the horizon. The following matlab project contains the source code and matlab examples used for path loss calculator for jtg 5 6 propagation model. Results of our research encompasses methodology, implementation and verification of plugins into the seamcat software are shown. Method for pointtoarea predictions for terrestrial services in the frequency range 30 mhz to 4 000 mhz. Figures 5 and 6 present the distribution histograms of the mve for the. Therefore, we measured the radio propagation characteristics.
Law, snells law, free space dispersion, radiative transfer engine theory, itu. Radio propagation characteristics in the large city. This implementation is finished open with itup1546 to view gui interface. The combination and use of these practical approximation equations in a computer worksheet to duplicate the results of itu r p. In this paper, we focus on the prediction over sea propagation. Method for pointtoarea predictions for terrestrial services in the frequency range 30 mhz to 3 000 mhz. Pdf the compatibility of geneva 2006 frequency plan ge06 assignments and. Coverage area, field strength, field strength contour, microwave link. The method present here is based on the difference in calculations between measured values and simulated values, respecting this recommendation, provided by.
Exclusionprotection zones are defined by a single distance given the interference protection criterion simple source deployment with victim at or above the origin i. Method for pointtoarea predictions for terrestrial services in the frequency range. In that respec t, our approximation can be considered a worst case. Comparison of uhf measurements with the propagation model of. Wilson, chairman, itur study group 3 csiro astronomy and space science, po box 76, epping nsw australia abstract the radio frequency spectrum is shared by a everincreasing set of services with different requirements. In this paper, we try to solve this analysis problem of different two systems with different median path loss model. The following matlab project contains the source code and matlab examples used for itu r p. Method for pointtoarea predictions for terrestrial services in the frequency range 30 mhz to 3 000 mhz recommendation p. Propagation measurement workshop radio propagation. Propagation data and prediction methods required for the design of terrestrial lineofsight systems these two models can be combined together to produce a terrestrial propagation model that takes account of attenuation and fading. Pdf evaluation of radio over sea propagation based itur. Abstractin the present work, a precise optimization method is proposed for tuning the parameters of itu r p.