Publications Scientifiques

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    A 2.3-14 GHz UWB planar octagonal antenna with modified ground plane
    (Wiley Periodicals, 2013) Bitchikh, M.; Aksas, R.; Azrar, Arab; Kimouche, H.
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    UWB coplanar waveguide octagonal antenna
    (Springer, 2016) Bitchikh, Mounira; Azrar, Arab; Aksas, Rabia
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    Combating multiple access interference in wireless communication systems employing smart antennas
    (IEEE, 2009) Recioui, Abdelmadjid; Bentarzi, Hamid; Azrar, Arab; Dehmas, Mokrane; Challal, Mouloud
    Smart Antennas constitute a promising technology in wireless communication systems as they mitigate multiple access interference through spatial filtering. One basic building block of smart antennas is the antenna array itself. This latter generates a wide range of aspects that can be the subject of deep investigations namely their geometry, physical parameters, feeding techniques etc... Hence, it is important to investigate whether certain array geometry will enable optimal performance. In this work, the effect of the array geometry choice on the interference rejection capability is investigated. Linear and circular array geometries are considered with mutual coupling between real antenna elements taken into account. Assessment of both geometries is done through a figure of merit that takes into account the rejection capability and radiation characteristics of the array
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    New UWB antenna design for wireless communications
    (2012) Bithikh, M.; Aksas, R.; Kimouche, H.; Azrar, A.
    The presented work in this article concerns a new ultra-wideband antenna design with an octagonal configuration and reduced dimensions. Different prototypes have been simulated and implemented in the form of monopoles. These prototypes have shown an admissible agreement between simulations and measurements and ultra-wide bands running from 3.1 to 14 GHz for wireless applications. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:692–697, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26666