Array Antenna Elements

Fourikis, N.

doi:10.1016/b978-012262942-6/50005-6

Cited by 1 publication

(2 citation statements)

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“…As a result, an antenna array is the best candidate for achieving these goals. The sharing of electronic and antenna components in a monostatic configuration reduces the size and cost of synchronization between the transmitter and receiver, which is why the vast majority of radars are monostatic [1]. As a result, on a single platform, a coupling challenge exists between the transmitting and receiving antennas.…”

Section: Introductionmentioning

confidence: 99%

“…These expressions are in terms of the transmission coefficient S 21 and the matching coefficient S 11 . The first one (1) defines the mutual coupling between a transmitting antenna and a receiving antenna, and the second one (2) defines the receiving antenna loaded on its input impedance. It is obvious that the more mismatched the antennas are, the higher the coupling coefficient is.…”

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confidence: 99%

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An Advanced Array Configuration Antenna Based on Mutual Coupling Reduction

et al. 2023

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In this work, a microstrip antenna array that consists of 16 elements is designed at a frequency of 28 GHz, with a dimension of 35 mm × 33.5 mm and an operational bandwidth of 27.7–28.3 GHz. The idea is putting two antenna arrays next to each other on the same substrate and ground plane, as well as minimizing the overall size. This work presents a mutual coupling reduction for two arrays and studies the performance of the antennas through the suppression of surface wave propagation in a given frequency range. It proposed a new configuration for an artificial magnetic conductor (AMC) created by microstrip technology placed at a closed distance (0.3λ0) between the two antenna arrays. The improvement in the isolation between the two adjacent antenna arrays was studied according to the H-plane with a periodic unit cell of the AMC. The mutual coupling reduces to −40.0 dB at the operation frequency and isolation of 17 dB. The antenna array is also characterized by a good envelope correlation coefficient (ECC). The CST Microwave Studio electromagnetic solver was used to design, improve, and miniaturize the proposed configuration.

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%