An X-Band CMOS Digital Phased Array Radar from Hardware to Software
Phased array technology features rapid and directional scanning and has become a promising approach for remote sensing and wireless communication. In addition, element-level digitization has increased the feasibility of complicated signal processing and simultaneous multi-beamforming processes. Howe...
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MDPI AG
2021
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oai:doaj.org-article:c2e08ea043f44a87bab3e6e992238a972021-11-11T19:19:03ZAn X-Band CMOS Digital Phased Array Radar from Hardware to Software10.3390/s212173821424-8220https://doaj.org/article/c2e08ea043f44a87bab3e6e992238a972021-11-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/7382https://doaj.org/toc/1424-8220Phased array technology features rapid and directional scanning and has become a promising approach for remote sensing and wireless communication. In addition, element-level digitization has increased the feasibility of complicated signal processing and simultaneous multi-beamforming processes. However, the high cost and bulky characteristics of beam-steering systems have prevented their extensive application. In this paper, an X-band element-level digital phased array radar utilizing fully integrated complementary metal-oxide-semiconductor (CMOS) transceivers is proposed for achieving a low-cost and compact-size digital beamforming system. An 8–10 GHz transceiver system-on-chip (SoC) fabricated in 65 nm CMOS technology offers baseband filtering, frequency translation, and global clock synchronization through the proposed periodic pulse injection technique. A 16-element subarray module with an SoC integration, antenna-in-package, and tile array configuration achieves digital beamforming, back-end computing, and dc–dc conversion with a size of 317 × 149 × 74.6 mm<sup>3</sup>. A radar demonstrator with scalable subarray modules simultaneously realizes range sensing and azimuth recognition for pulsed radar configurations. Captured by the suggested software-defined pulsed radar, a complete range–azimuth figure with a 1 km maximum observation range can be displayed within 150 ms under the current implementation.Yue-Ming WuHao-Chung ChouCheng-Yung KeChien-Cheng WangChien-Te LiLi-Han ChangBorching SuTa-Shun ChuYu-Jiu WangMDPI AGarticleantenna-in-package (AiP)complementary metal-oxide-semiconductor (CMOS)digital beamforming (DBF)digital array radarphased arraypulsed radarChemical technologyTP1-1185ENSensors, Vol 21, Iss 7382, p 7382 (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
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EN |
| topic |
antenna-in-package (AiP) complementary metal-oxide-semiconductor (CMOS) digital beamforming (DBF) digital array radar phased array pulsed radar Chemical technology TP1-1185 |
| spellingShingle |
antenna-in-package (AiP) complementary metal-oxide-semiconductor (CMOS) digital beamforming (DBF) digital array radar phased array pulsed radar Chemical technology TP1-1185 Yue-Ming Wu Hao-Chung Chou Cheng-Yung Ke Chien-Cheng Wang Chien-Te Li Li-Han Chang Borching Su Ta-Shun Chu Yu-Jiu Wang An X-Band CMOS Digital Phased Array Radar from Hardware to Software |
| description |
Phased array technology features rapid and directional scanning and has become a promising approach for remote sensing and wireless communication. In addition, element-level digitization has increased the feasibility of complicated signal processing and simultaneous multi-beamforming processes. However, the high cost and bulky characteristics of beam-steering systems have prevented their extensive application. In this paper, an X-band element-level digital phased array radar utilizing fully integrated complementary metal-oxide-semiconductor (CMOS) transceivers is proposed for achieving a low-cost and compact-size digital beamforming system. An 8–10 GHz transceiver system-on-chip (SoC) fabricated in 65 nm CMOS technology offers baseband filtering, frequency translation, and global clock synchronization through the proposed periodic pulse injection technique. A 16-element subarray module with an SoC integration, antenna-in-package, and tile array configuration achieves digital beamforming, back-end computing, and dc–dc conversion with a size of 317 × 149 × 74.6 mm<sup>3</sup>. A radar demonstrator with scalable subarray modules simultaneously realizes range sensing and azimuth recognition for pulsed radar configurations. Captured by the suggested software-defined pulsed radar, a complete range–azimuth figure with a 1 km maximum observation range can be displayed within 150 ms under the current implementation. |
| format |
article |
| author |
Yue-Ming Wu Hao-Chung Chou Cheng-Yung Ke Chien-Cheng Wang Chien-Te Li Li-Han Chang Borching Su Ta-Shun Chu Yu-Jiu Wang |
| author_facet |
Yue-Ming Wu Hao-Chung Chou Cheng-Yung Ke Chien-Cheng Wang Chien-Te Li Li-Han Chang Borching Su Ta-Shun Chu Yu-Jiu Wang |
| author_sort |
Yue-Ming Wu |
| title |
An X-Band CMOS Digital Phased Array Radar from Hardware to Software |
| title_short |
An X-Band CMOS Digital Phased Array Radar from Hardware to Software |
| title_full |
An X-Band CMOS Digital Phased Array Radar from Hardware to Software |
| title_fullStr |
An X-Band CMOS Digital Phased Array Radar from Hardware to Software |
| title_full_unstemmed |
An X-Band CMOS Digital Phased Array Radar from Hardware to Software |
| title_sort |
x-band cmos digital phased array radar from hardware to software |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/c2e08ea043f44a87bab3e6e992238a97 |
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