Directive Yagi–Uda dielectric resonator antennas

✍ Scribed by Ahmed A. Kishk

• Book ID: 102517316
• Publisher: John Wiley and Sons
• Year: 2005
• Tongue: English
• Weight: 135 KB
• Volume: 44
• Category: Article
• ISSN: 0895-2477
• DOI: 10.1002/mop.20664

✦ Synopsis

Single-mode dielectric resonator antennas (DRA) can achieve around 5-dB gain. To achieve a more directive pattern, a Yagi-Uda arrangement is proposed. To avoid using many DRA elements, the elements are made of one piece and the elements are connected through a small nick comprised of the same materials. The antenna is placed on a ground plane and excited by a coaxial probe. The radiation patterns shows that the radiation patterns become more directive and the an-tenna gain is increased, as compared to the single-disc resonator.