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| Auteurs principaux: | , , , |
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| Format: | Artículo Open Access |
| Publié: |
Wiley
2025
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| Accès en ligne: | https://onlinelibrary.wiley.com/doi/10.1002/mop.70201 |
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- Compact Dual‐Band Endfire Phased Array Antenna for 5G mm‐Wave Mobile Terminals Huidong Xu Changjiang Deng Zhewei Fu Rongrong Dong Microwave and Optical Technology Letters ABSTRACTIn this article, a compact 28/38 GHz dual‐band endfire phased array is presented for 5G millimeter‐wave (mm‐wave) mobile terminal applications. The unit cell is a planar dipole printed on a single substrate layer. Parasitic strips and etched slots are loadedon the dipole to construct different current paths in 28 GHz and 38 GHz, thus achieving dual‐band operation with a single radiator, leading to a small ground clearance of 1.6 mm. A 5‐element array with 5‐mm element spacing is fabricated. The measured ‐10 dB impedance bandwidths are 11.7% (26.9–30.2 GHz) and 13.1% (36.5–41.5 GHz) in the two operating bands with isolation higher than 16 dB. The measured peak gains attain 8.5 dBi and 10.4 dBi in the lower and upper bands. The phased array supports a beam scanning angle of –51° to + 50° at 28 GHz and –39° to +37° at 38 GHz. 10.1002/mop.70201 http://onlinelibrary.wiley.com/termsAndConditions#vor