Results 81 to 90 of about 2,082 (227)

A Wideband Circularly Polarised Magneto‐Electric Dipole Antenna Array With a Series Sequential Phase Feed Network

The Journal of Engineering, Volume 2025, Issue 1, January/December 2025.
A printed circularly polarised antenna array is presented that utilizes the inherent good bandwidth and stable gain of magneto‐electric dipoles in combination with the wideband benefits of a sequential rotation feed technique. The proposed antenna has a simple geometry using two substrates and does not require any additional cavity or parasitic ...
Elmien Coetzer, Johan Joubert, Johann Wilhelm Odendaal   +2 more
wiley   +1 more source

3D‐printed heterogeneous isotropic–anisotropic dielectric resonator for singly fed dual‐band circularly polarised antennas

IET Microwaves, Antennas & Propagation
The design of three‐dimensional (3D)‐printed heterogeneous ceramics exhibiting isotropic and anisotropic dielectric permittivities at microwave frequencies is studied for dielectric resonator antenna (DRA) applications.
Bruno deAraùjo, Christophe Morlaas, Romain Pascaud, Alexandre Chabory, Marjorie Grzeskowiak, Gautier Mazingue   +5 more
doaj   +1 more source

Gain Improvement of Bidirectional Substrate‐Integrated Waveguide‐Based Circular Cavity‐Backed Hexagonal Split Ring‐Shaped Slotted Antenna Using Metamaterial as Superstrate

International Journal of Antennas and Propagation, Volume 2025, Issue 1, 2025.
A low profile substrate‐integrated waveguide (SIW)‐based circular cavity‐backed slotted antenna is proposed at an operating frequency of 5.42 GHz for wireless applications in U‐NII‐2B band in the TM010 fundamental mode. Two hexagonal split ring‐shaped slots of 7 and 4 mm radius are placed on the patch as well as on the ground plane, resulting in ...
Rimi Sengupta, Ayan Chatterjee, Soumen Banerjee, Susanta Kumar Parui, Monojit Mitra, Trushit Upadhyaya   +5 more
wiley   +1 more source

Single Feed Aperture-Coupled Wideband Dielectric Resonator Antenna with Circular Polarization for Ku-Band Applications

International Journal of Antennas and Propagation, 2012
A novel single feed aperture-coupled wideband dielectric resonator antenna (DRA) exhibiting righ-handed circular polarization (RHCP) operating in the Ku-band frequency range is presented.
Joshua M. Patin, Satish K. Sharma
doaj   +1 more source

Investigation of a Rectangular Dielectric Resonator Antenna Working in Higher Order Modes Using Perturbation Theory

International Journal of Antennas and Propagation, Volume 2025, Issue 1, 2025.
Dielectric resonator antennas (DRAs) operating in higher order modes provide wideband, enhanced gain, and circularly polarized performance. This paper presents a simple perturbation theory for predicting the resonant frequency of higher order modes in perturbed rectangular DRAs (RDRAs).
Neetu, Sachin Kumar, Binod Kumar Kanaujia, Sandeep Kumar Palaniswamy, Gaurav Varshney, Rajashik Paul   +5 more
wiley   +1 more source

Design of the Wide Dual-Band Rectangular Souvenir Dielectric Resonator Antenna

IEEE Access, 2019
Design of the wide dual-band rectangular souvenir dielectric resonator antenna (DRA) is discussed. The proposed wide dual-band rectangular DRA was excited by using a U-slot.
Xiao Sheng Fang, Shuang Ming Chen
doaj   +1 more source

Offset Aperture-Coupled Double-Cylinder Dielectric Resonator Antenna with Extended Wideband [PDF]

, 2017
YesA compact dielectric resonator antenna for ultra-wideband vehicular communication applications is proposed. Two cylindrical dielectric resonators are asymmetrically located with respect to the center of an offset rectangular coupling aperture, through
Abd-Alhameed, Raed A., Benabdelaziz, F., Elfergani, Issa T., Lashab, Mohamed, Noras, James M., Rodriguez, Jonathan, Sayad, D., Sayidmarie, Khalil H., Zebiri, Chemseddine   +8 more
core   +1 more source

Broadband Lumped Mirror Array mmWave Antenna for Wireless and Defense Systems

Journal of Electrical and Computer Engineering, Volume 2025, Issue 1, 2025.
This article introduces a novel lumped mirror array mmWave antenna designed for multiband microwave applications, including 5G, satellite communication, and defense systems. The antenna operates over a broad frequency range from 4.7 to 67.63 GHz, offering excellent impedance bandwidth of 70.4%. Developed on an FR‐4 substrate with dimensions of 160 × 70 
Manish Varun Yadav, Lanston Pramith Fernandes, Swati Varun Yadav, Tanweer Ali, Dinesh Yadav, Vikas Singh, Kirti Panwar bhati, Shonak Bansal   +7 more
wiley   +1 more source

Compact Right‐Handed Circularly Polarized V‐Shaped Patch Array Antenna for Nanosatellites

Journal of Electrical and Computer Engineering, Volume 2025, Issue 1, 2025.
Nanosatellites have opened up significant opportunities for small and medium enterprises and academic institutions in space technology, driving demand for compact, high‐performance antennas. This study presents a miniaturized, right‐handed circularly polarized (RHCP) V‐shaped patch array antenna, integrated with a matched feeding network, tailored for ...
Haider Ali, Dawar Awan, Inam Bari, Wajahat Ullah Khan Tareen, Umar Farooq Khattak, Nikita Goel, Manish Varun Yadav, Shonak Bansal   +7 more
wiley   +1 more source

A Dual-Band Multiple Input Multiple Output Frequency Agile Antenna for GPSL1/Wi-Fi/WLAN2400/LTE Applications

International Journal of Antennas and Propagation, 2016
A novel dual-band, single element multiple input multiple output (MIMO) dielectric resonator antenna (DRA) with a modest frequency tuning ability is presented in this communication. The proposed antenna operates at GPS L1/Bluetooth/Wi-Fi/LTE2500/WLAN2400
Sajid Aqeel, M. H. Jamaluddin, Aftab Ahmad Khan, Rizwan Khan, M. R. Kamarudin, Jalil-ur-Rehman Kazim, Owais Owais   +6 more
doaj   +1 more source