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All Journal International Journal of Electrical and Computer Engineering Bulletin of Electrical Engineering and Informatics
Mohamed Essaaidi
Mohammed V University
Computer Science & IT Electrical & Electronics Engineering

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Analysis and design of a compact ultra-wideband antenna with WLAN and X-band satellite notch Mohssine El Ouahabi; Aziz Dkiouak; Alia Zakriti; Mohamed Essaaidi; Hanae Elftouh
International Journal of Electrical and Computer Engineering (IJECE) Vol 10, No 4: August 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (976.978 KB) | DOI: 10.11591/ijece.v10i4.pp4261-4269

Abstract

A compact design of ultra-wideband (UWB) antenna with dual band-notched characteristics based on split-ring resonators (SRR) are investigated in this paper. The wider impedance bandwidth (from 2.73 to 11.34 GHz) is obtained by using two symmetrical slits in the radiating patch and another slit in the partial ground plane. The dual band-notch rejection at WLAN and X-band downlink satellite communication system are obtained by inserting a modified U-strip on the radiating patch at 5.5 GHz and embedding a pair of rectangular SRRs on both sides of the microstrip feed line at 7.5 GHz, respectively. The proposed antenna is simulated and tested using CST MWS high frequency simulator and exhibits the advantages of compact size, simple design and each notched frequency band can be controlled independently by using the SRR geometrical parameters. Therefore, the parametric study is carried out to understand the mutual coupling between the dual band-notched elements. To validate simulation results of our design, a prototype is fabricated and good agreement is achieved between measurement and simulation. Furthermore, a radiation patterns, satisfactory gain, current distribution and VSWR result at the notched frequencies make the proposed antenna a suitable candidate for practical UWB applications.
1×16 Rectangular dielectric resonator antenna array for 24 Ghz automotive radar system Abderrahim Haddad; Mohssin Aoutoul; Mohamed Essaaidi; Khalid Sabri; Abdelaziz Khoukh; Youssef Errami; Anas Had; Fadwa El Moukhtafi; Redouane Jouali
Bulletin of Electrical Engineering and Informatics Vol 11, No 4: August 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v11i4.3068

Abstract

This paper presents the design of a 1×16-elements RDRA array for anti-collision radar SRR application at 24 GHz. A single RDRA with high dielectric constant of 41, fed by a simple microstrip line feeding technique, is initially designed to operate around 24 GHz. The RDRA element is further used within an array network structure made up of 16 linear antenna elements to cover the same frequency band. The simulated 1×16 RDRA array can reach a high gain, up to18.6 dB, very high radiation efficiency (97%), and ensure enough directional radiation pattern properties for radar applications with a 3-dB angular beam width of 6°. To validate our design, RDRA array’ radiation pattern computed results are compared to an equivalent fabricated patch antenna array reported in the literature.
Co-Authors Abdelaziz Khoukh Abderrahim Haddad Alia Zakriti Anas Had Aziz Dkiouak Fadwa El Moukhtafi Hanae Elftouh Khalid Sabri Mohssin Aoutoul Mohssine El Ouahabi Redouane Jouali Youssef Errami