A Wideband Narrow Beam 1x6 Linear Antenna Array for Automotive Radar and 5G Millimetre-Wave Applications
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arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866917454802845696 |
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| author | Saeed, Muhammad Asfar Nwajana, Augustine O. |
| author_facet | Saeed, Muhammad Asfar Nwajana, Augustine O. |
| contents | This paper presents the design and performance analysis of a 1x6 linear microstrip patch antenna array tailored for automotive radar and 5G millimetre-wave (mm-wave) applications. The proposed antenna array comprises six rectangular radiating patches with the primary patch excited using a microstrip feedline, while the remaining patches are interconnected through narrow microstrip lines with a width of 0.1 mm, enabling effective power distribution along the array. Optimal inter-element spacing facilitates constructive and destructive interference, enabling the formation of a narrow beam with enhanced directivity and a wide operational bandwidth. The high-gain radiation characteristics are achieved through the combined effects of the six-element linear configuration and precise impedance matching. Key performance metrics including reflection coefficient, current distribution, and radiation patterns have been analysed. Results demonstrate a reflection coefficient better than 10 dB across the target frequency range and a narrow beamwidth with high directivity, making the array suitable for high-resolution automotive radar and 5G mm-wave communications. Potential applications include vehicle-to-vehicle (V2V) radar sensing, lane change detection, blind spot monitoring at 28 GHz, and high-capacity point-to-point wireless backhaul links. The design offers a promising solution for compact, high-performance beamforming antenna systems in intelligent transportation and next-generation wireless networks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_01631 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A Wideband Narrow Beam 1x6 Linear Antenna Array for Automotive Radar and 5G Millimetre-Wave Applications Saeed, Muhammad Asfar Nwajana, Augustine O. Signal Processing This paper presents the design and performance analysis of a 1x6 linear microstrip patch antenna array tailored for automotive radar and 5G millimetre-wave (mm-wave) applications. The proposed antenna array comprises six rectangular radiating patches with the primary patch excited using a microstrip feedline, while the remaining patches are interconnected through narrow microstrip lines with a width of 0.1 mm, enabling effective power distribution along the array. Optimal inter-element spacing facilitates constructive and destructive interference, enabling the formation of a narrow beam with enhanced directivity and a wide operational bandwidth. The high-gain radiation characteristics are achieved through the combined effects of the six-element linear configuration and precise impedance matching. Key performance metrics including reflection coefficient, current distribution, and radiation patterns have been analysed. Results demonstrate a reflection coefficient better than 10 dB across the target frequency range and a narrow beamwidth with high directivity, making the array suitable for high-resolution automotive radar and 5G mm-wave communications. Potential applications include vehicle-to-vehicle (V2V) radar sensing, lane change detection, blind spot monitoring at 28 GHz, and high-capacity point-to-point wireless backhaul links. The design offers a promising solution for compact, high-performance beamforming antenna systems in intelligent transportation and next-generation wireless networks. |
| title | A Wideband Narrow Beam 1x6 Linear Antenna Array for Automotive Radar and 5G Millimetre-Wave Applications |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2605.01631 |