<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>A simple model of 1x4 linear array of microstrip antennas was used to analyse the influence of phase difference between antenna elements on the performance of beamforming at 8.9 GHz. Simulations with full wave CST Studio were performed over a number of phase sets. Among them we identified the most constructive and the most destructive cases based on the maximum gain, the total efficiency and the polarization. It resulted that [0;0;0;0] phase case provided 10.6 dB higher gain, 46.5% higher efficiency and much more spatial uniformity of polarization along the propagation path than the [0;180;0;180] case. Field strength computations and vector representations proved the complexity of beamforming when one also takes into account the mutual coupling of the elements.</p>
</abstract>

A simple model of 1x4 linear array of microstrip antennas was used to analyse the influence of phase difference between antenna elements on the performance of beamforming at 8.9 GHz. Simulations with full wave CST Studio were performed over a number of phase sets. Among them we identified the most constructive and the most destructive cases based on the maximum gain, the total efficiency and the polarization. It resulted that [0;0;0;0] phase case provided 10.6 dB higher gain, 46.5% higher efficiency and much more spatial uniformity of polarization along the propagation path than the [0;180;0;180] case. Field strength computations and vector representations proved the complexity of beamforming when one also takes into account the mutual coupling of the elements.

The Influence of Inter-Element Phase Difference on the Beamforming and Spatial Electromagnetic Field Distribution of a Quad Microstrip Patch Antenna Array in the X Band

International conference KNOWLEDGE-BASED ORGANIZATION

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A simple model of 1x4 linear array of microstrip antennas was used to analyse the influence of phase difference between antenna elements on the performance of...

The Influence of Inter-Element Phase Difference on the Beamforming and Spatial Electromagnetic Field Distribution of a Quad Microstrip Patch Antenna Array in the X Band

Publié en ligne: 06 juil. 2022

Pages: 58 - 62

DOI: https://doi.org/10.2478/kbo-2022-0088

Mots clés
microstrip patch, delta phase, beamforming, vector field, 8.9 GHz

© 2022 Valentina-Mariana Lupu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Influence of Inter-Element Phase Difference on the Beamforming and Spatial Electromagnetic Field Distribution of a Quad Microstrip Patch Antenna Array in the X Band

Publié en ligne: 06 juil. 2022

Pages: 58 - 62

DOI: https://doi.org/10.2478/kbo-2022-0088

Mots clésmicrostrip patch, delta phase, beamforming, vector field, 8.9 GHz

© 2022 Valentina-Mariana Lupu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
microstrip patch, delta phase, beamforming, vector field, 8.9 GHz