Design of Microstrip Antenna Integrating 24 GHz and 77 GHz Compact High-Gain Arrays
The swift advancement of contemporary communication technology, along with the development of radar systems, has raised the requirements for antenna systems. In this work, an integrated array antenna operating in the 24 GHz and 77 GHz frequency bands is proposed. The microstrip antenna array element...
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2025-01-01
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| author | Junli Zhu Jingping Liu |
| author_facet | Junli Zhu Jingping Liu |
| author_sort | Junli Zhu |
| collection | DOAJ |
| description | The swift advancement of contemporary communication technology, along with the development of radar systems, has raised the requirements for antenna systems. In this work, an integrated array antenna operating in the 24 GHz and 77 GHz frequency bands is proposed. The microstrip antenna array element uses a width reduction approach to reduce its volume by 39.82%. By using corner series feeding, a 3 × 3 planar array is created. The arrays operating at 77 GHz and 24 GHz can produce gains of 14.19 dBi and 15.34 dBi, respectively, with sidelobe levels of less than −9.14 dB and −12.85 dB and cross-polarization levels of −29.26 dB and −40.52 dB. This design reduces the volume of the array, eliminates the need for a complex feeding network, minimizes feeding losses, and enhances the antenna’s gain, all while maintaining good sidelobe levels and cross-polarization performance. These improvements hold significant potential for broader application. Moreover, the simulation and measurement results are in close agreement. |
| format | Article |
| id | doaj-art-ed335ad042564747b42b0a923887b0ef |
| institution | Kabale University |
| issn | 1424-8220 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj-art-ed335ad042564747b42b0a923887b0ef2025-01-24T13:49:05ZengMDPI AGSensors1424-82202025-01-0125248110.3390/s25020481Design of Microstrip Antenna Integrating 24 GHz and 77 GHz Compact High-Gain ArraysJunli Zhu0Jingping Liu1School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, ChinaSchool of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, ChinaThe swift advancement of contemporary communication technology, along with the development of radar systems, has raised the requirements for antenna systems. In this work, an integrated array antenna operating in the 24 GHz and 77 GHz frequency bands is proposed. The microstrip antenna array element uses a width reduction approach to reduce its volume by 39.82%. By using corner series feeding, a 3 × 3 planar array is created. The arrays operating at 77 GHz and 24 GHz can produce gains of 14.19 dBi and 15.34 dBi, respectively, with sidelobe levels of less than −9.14 dB and −12.85 dB and cross-polarization levels of −29.26 dB and −40.52 dB. This design reduces the volume of the array, eliminates the need for a complex feeding network, minimizes feeding losses, and enhances the antenna’s gain, all while maintaining good sidelobe levels and cross-polarization performance. These improvements hold significant potential for broader application. Moreover, the simulation and measurement results are in close agreement.https://www.mdpi.com/1424-8220/25/2/481microstrip antennacorner-fedhigh gainminiaturized |
| spellingShingle | Junli Zhu Jingping Liu Design of Microstrip Antenna Integrating 24 GHz and 77 GHz Compact High-Gain Arrays Sensors microstrip antenna corner-fed high gain miniaturized |
| title | Design of Microstrip Antenna Integrating 24 GHz and 77 GHz Compact High-Gain Arrays |
| title_full | Design of Microstrip Antenna Integrating 24 GHz and 77 GHz Compact High-Gain Arrays |
| title_fullStr | Design of Microstrip Antenna Integrating 24 GHz and 77 GHz Compact High-Gain Arrays |
| title_full_unstemmed | Design of Microstrip Antenna Integrating 24 GHz and 77 GHz Compact High-Gain Arrays |
| title_short | Design of Microstrip Antenna Integrating 24 GHz and 77 GHz Compact High-Gain Arrays |
| title_sort | design of microstrip antenna integrating 24 ghz and 77 ghz compact high gain arrays |
| topic | microstrip antenna corner-fed high gain miniaturized |
| url | https://www.mdpi.com/1424-8220/25/2/481 |
| work_keys_str_mv | AT junlizhu designofmicrostripantennaintegrating24ghzand77ghzcompacthighgainarrays AT jingpingliu designofmicrostripantennaintegrating24ghzand77ghzcompacthighgainarrays |