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Linear Array Design with Switched Beams for Wireless Communications Systems
Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.
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2015 (English)In: International Journal of Antennas and Propagation, ISSN 1687-5869, E-ISSN 1687-5877, Vol. 2015, article id 278160Article in journal (Refereed) Published
Abstract [en]

This paper presents an analysis for optimal design of switched beamforming applied to a linear array for wireless communication systems. The beam switching scheme provides coverage of a given sector in azimuth and controls the sidelobe level simultaneously. The analysis was developed considering arrays composed of Quasi-Yagi elements. The model assumes a user moving in the azimuthal direction under a constant velocity and with an estimation of the signal-to-noise ratio (SNR) at the mobile user (MU). The radio base station applies the beam that yields the best performance during transmission. The decision is based on the feedback information received from the MU. The goal of the analysis is to determine the best trade-off between the array size and number of feedback bits necessary to maximize the SNR at the receiver. The results show that a compromise between the number of beam-pointing directions and the array size should be taken into consideration for a wireless communication system design.

Place, publisher, year, edition, pages
Hindawi , 2015. Vol. 2015, article id 278160
Keywords [en]
Antenna arrays, Balloons; Base stations, Directive antennas, Economic and social effects, Mobile telecommunication systems, Radio transmission, Wireless telecommunication systems
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:bth-6383DOI: 10.1155/2015/278160ISI: 000359221300001Local ID: oai:bth.se:forskinfoCA3ADC592B5BC4F3C1257E370032EC0BOAI: oai:DiVA.org:bth-6383DiVA, id: diva2:833884
Available from: 2015-04-30 Created: 2015-04-30 Last updated: 2023-02-16Bibliographically approved

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Machado, Renato

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