propogation model

propogation model - International J ownal o f Soft...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
International Jownal of Soft Computing 3 (2): 88-92, 2008 ISSN: 1816-9503 © Medwell J oumals, 2008 Path Loss Models Comparison in Radio Mobile Communications Mohamed Ouwais Kabaou, Belgacem Rhaimi Chibani and Mohamed Naceur Abdelkrim Research Unit: Modelisation, Analyse et Commande des Systemes (MACS-ENIG), Ecole Nationale d'Ingenieurs de Gabes (ENIG), ENIG-6029 Gabes Abstract: The Telecommmrication word refers to field who lend a big help for users. This sector sustained continuously in a fullness without to carry on development. Third generation, the Mobile Station eMS) are developed and the mobile services are increased. In order to reach a best quality of service, we must consider a lot of parameters, how the transmitted signal is affected and plan the communication network. In this fact, the empirical path loss propagation models have important effect Radio Mobile systems and have found favour in both research and industrial commmrities owing to their speed of execution. This study present a comparison between empirical models. Key words: E1vfW, mobile radio ch31lllel, models, path loss models, commmrications INTRODUCTION In order to more exploiting and to validate their ideas, strategists and analysts cooperate permanently (Chibani, 2002). An appeal of Mobile Radio channels is in fact a result that needs and imposes rigorous study of ch31lllel characterization. This study will show what reasons could cause and make information losses in such ch31lllels. This will obviously, be useful for those concerned by a complete interface's modelling, the ch31lllel, between source and destination. Designs will arrive to make best decisions and even advising recommendations and directives for dimensioning exploited network (antennas heights, carrIers, network architecture, etc . .. ). With the aim of supply in a link between receiver and transmitter with a minimum erosion of the transmitted signal, a lot of techniques are used. Among solutions IS the Radio Mobile channel characterization. We are concentrate about this approach in other studies (Kabaou, 2006). In addition, it exist an other method for network planning, we quote in this study the propagation models. They are very useful for performing interferences studies as the deployment proceeds. We emphasized about the propagation models in this study and we describe the different categories. An example of this type are Standard University Interim (SUI) channel model, who are developed under IEEE 802.11 working group, COST-23l Hata, ECC-33 and Walfish Ikegami model. VARIOUS PROPAGATION MODELS One of the most important issues in the design, implementation and operation of land mobile system is the knowledge of the received signal and its fluctuations. Propagation models take into accOllllt the type of the environment, the materials. The propagation models can be broadly classified in 4 types: Statistical models.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/24/2009 for the course SCE Sysc5606 taught by Professor Roshdy during the Spring '09 term at Carleton CA.

Page1 / 5

propogation model - International J ownal o f Soft...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online