Reduction of multipath effect through a critical scattering zone in microcell environments

C.A. López Mir, a. , D.H. Covarrubias Rosales


In this work, we investigate a critical region (CR) in microcell elliptical environments, an area between the mobile and the base station (BS) containing multipaths whose angles and times of arrival possess the acceptable angle and delay spreads of the channel. The focus of the paper is to estimate the theoretical rates of multipath reduction expected from the CR. These rates illustrate the convenience of adjusting or not the antenna's beamwidth (aperture) according to the angle spread. Also, to confirm the model's results; the angle and time of arrival statistics deduced from the elliptical model are validated through simulation. Results closely agree with theoretical values expected from the model.


Multipath effect; microcell; critical region; statistical analysis; antenna aperture

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REVISTA MEXICANA DE FÍSICA, year 67, issue 2, March-April 2021. Bimonthly Journal published by Sociedad Mexicana de Física, A. C. Departamento de Física, 2º Piso, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad Universitaria, Alcaldía Coyacán, C.P. 04510 , Ciudad de México. Apartado Postal 70-348. Tel. (+52)55-5622-4946,, e-mail: Chief Editor: José Alejandro Ayala Mercado. INDAUTOR Certificate of Reserve: 04-2019-080216404400-203, ISSN: 2683-2224 (on line), 0035-001X (print), both granted by Instituto Nacional del Derecho de Autor. Responsible for the last update of this issue, Technical Staff of Sociedad Mexicana de Física, A. C., Fís. Efraín Garrido Román, 2º. Piso, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad Universitaria, Alcaldía Coyacán, C.P. 04510 , Ciudad de México. Date of last modification, March 1st., 2021.

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