Title :
A new solution expressed in terms of UTD coefficients for multiple diffractions by buildings considering spherical-wave incidence
Author :
Rodríguez, José-Víctor ; Molina-Garcia-Pardo, Jose-Maria ; Juan-Llacer, Leandro
Author_Institution :
Dpto. Tecnologias de la Informacion y las Comunicaciones, Univ. Politecnica de Cartagena, Murcia, Spain
Abstract :
A new solution expressed in terms of uniform theory of diffraction (UTD) coefficients for the prediction of the multiple diffraction produced by an array of perfectly conducting buildings considering spherical-wave incidence is presented. Buildings are supposed to have rectangular cross sections and the mentioned solution, validated with numerical results from technical literature, is obtained by a recursion relation so that a successive use of UTD, diffraction in the transition zone is avoided, achieving an easier final formulation which significantly reduces the computing time over existing solutions. The result could find application in the planning of microcellular mobile radio systems to predict a more realistic path loss.
Keywords :
conducting bodies; electromagnetic wave diffraction; microcellular radio; radiowave propagation; telecommunication network planning; UTD coefficients; microcellular mobile radio systems; multiple diffractions; path loss; perfectly conducting buildings; planning; recursion relation; spherical-wave incidence; uniform theory of diffraction; Cellular networks; Hospitals; Land mobile radio; Microwave antenna arrays; Optical diffraction; Optical propagation; Path planning; Physical theory of diffraction; Signal analysis; UHF propagation;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2005 IEEE
Print_ISBN :
0-7803-8883-6
DOI :
10.1109/APS.2005.1551325