https://scholars.lib.ntu.edu.tw/handle/123456789/606953
標題: | An x-band cmos digital phased array radar from hardware to software | 作者: | Wu Y.-M Chou H.-C Ke C.-Y Wang C.-C Li C.-T Chang L.-H Su B Chu T.-S Wang Y.-J. BORCHING SU |
關鍵字: | Antenna-in-package (AiP);Complementary metal-oxide-semiconductor (CMOS);Digital array radar;Digital beamforming (DBF);Phased array;Pulsed radar;Radar signal detection;System-on-chip (SoC);Transceiver;X-band;Antenna phased arrays;Beam forming networks;Beamforming;CMOS integrated circuits;Dielectric devices;Metals;Microwave antennas;MOS devices;Oxide semiconductors;Pulsed lasers;Radar antennas;Radio transceivers;Remote sensing;Signal detection;Tracking radar;Antenna in packages;Antenna-in-package;Array radars;Complementary metal-oxide-semiconductor;Digital arrays;Digital beamforming;Phased-arrays;Pulsed radars;Radar signal detections;System-on-chip;X bands | 公開日期: | 2021 | 卷: | 21 | 期: | 21 | 來源出版物: | Sensors | 摘要: | Phased array technology features rapid and directional scanning and has become a promis-ing 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 utiliz-ing 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 tech-nique. 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 mm3 . 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. ? 2021 by the authors. Licensee MDPI, Basel, Switzerland. |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85118476296&doi=10.3390%2fs21217382&partnerID=40&md5=696ffa5972a9ff40f8d907d3a4ac991a https://scholars.lib.ntu.edu.tw/handle/123456789/606953 |
ISSN: | 14248220 | DOI: | 10.3390/s21217382 |
顯示於: | 電機工程學系 |
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