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Abbas, S.M., Ali, R.L., Nawaz, H., Saleem, I. and Khan, S.A. (2012) Microstrip Antenna Array for Beamforming Systems. Journal of Przeglad Elektrotechniczny, 11, 170-173.

has been cited by the following article:

  • TITLE: Beamforming and Angle-of-Arrival Estimation of Square Planar Antenna Array

    AUTHORS: R. Elsamnty, A. M. Attiya, E. A. F. Abdallah, A. H. Ammar

    KEYWORDS: Indoor Communications, Antenna Array, Directional Planar Antenna, Angle of Arrival Estimation, Adaptive Beamforming

    JOURNAL NAME: Open Journal of Antennas and Propagation, Vol.4 No.2, May 25, 2016

    ABSTRACT: This paper presents a dual-band planar antenna array for ISM band applications (2.4 GHz and 2.45 GHz). This antenna is proposed for indoor applications and enables adaptive beamforming and angle of arrival (AOA) estimation. An adaptive beamforming algorithm is applied for a planar antenna array, which is able to steer its main beam and nulls in azimuth and elevation planes over a wide frequency band. Planar antenna array operates as a spatial filter in 3D space, processing the received signals with weighting schemes. A planar antenna array is designed for AOA estimation in azimuth and elevation planes by using MUltiple SIgnal Classification (MUSIC) based on subspace algorithm. The Base Station (BS) equipped with this planar antenna is preferred to be at the center position on the room ceiling to cover all sectors of the room. It is designed to use four directional triangular elements arranged to form a square planar antenna array. Planar antenna with four elliptical slotted triangular elements (PAFESTE) is used to obtain optimal directivity in four directions in azimuth plane with specific orientation of 30? in elevation plane. It is characterized by half power beamwidth in elevation plane of about 60? and half power beamwidth in azimuth plane of about 90?.