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- Title
Mutual Coupling Reduction between Finite Spaced Planar Antenna Elements Using Modified Ground Structure.
- Authors
Sadiq, Muhammad Shahzad; Ruan, Cunjun; Nawaz, Hamza; Abbasi, M. Ali Babar; Nikolaou, Symeon
- Abstract
In this paper, a modified ground structure capable of reducing mutual coupling to provide isolation between adjacent antenna elements is presented. The proposed modified ground structure is a combination of a strategically located ground slot, asymmetric partial ground and a substrate-integrated pin wall. The use of the modified ground structure causes a more than 28 dB (measured value) mutual coupling reduction. The modified ground structure has been optimized and validated with a finite spaced planar 2 × 1 antenna array operating at 4.16 GHz, intended for unmanned aerial vehicle radar altimeter applications. The patch antennas built with the MGS exhibit high gain (greater than 6 dBi throughout the operational band), along with inter-element coupling as low as −65 dB. Mutual coupling reduction at lower contours is beneficial for altimeter applications.
- Subjects
PLANAR antennas; ANTENNA arrays; MICROSTRIP antenna arrays; DRONE aircraft
- Publication
Electronics (2079-9292), 2021, Vol 10, Issue 1, p19
- ISSN
2079-9292
- Publication type
Article
- DOI
10.3390/electronics10010019