28 GHz Circular Polarized Fan-out Antenna Array with Wide-angle Beam-steering [Elektronisk resurs]
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Aziz, Imran (författare)
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Hanning, Johanna (författare)
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Öjefors, Erik (författare)
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Wu, Dapeng (författare)
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Dancila, Dragos (författare)
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Uppsala universitet Teknisk-naturvetenskapliga vetenskapsområdet (utgivare)
- Publicerad: 2021
- Engelska.
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Ingår i: International Journal of RF and Microwave Computer-Aided Engineering. - 1096-4290.
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Sammanfattning
Ämnesord
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- The article presents 28 GHz circular polarized antenna arrays designed in an embedded wafer level ball grid array (eWLB) package for 5G applications. The antenna arrays are realized on a re-distribution layer (RDL) in the fan-out region of the chip package. Two separate but identical arrays perform RX and TX operations where a crossed dipole is used as a building block of the array. These 4-element arrays have <−10 dB impedance bandwidth covering 25.3–29.8 GHz (4.5 GHz bandwidth) while presenting 10 dBi maximum realized gain. The measurement results show <3 dB axial ratio in the band 26–29.5 GHz, and the main beam can be steered in ±50° in the azimuth plane when array elements are fed by appropriate phases from the chip. The radio frequency module provides 31 dBm maximum equivalent isotropic radiated power (EIRP).
Ämnesord
- Engineering and Technology (hsv)
- Electrical Engineering, Electronic Engineering, Information Engineering (hsv)
- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv)
- Teknik och teknologier (hsv)
- Elektroteknik och elektronik (hsv)
- Annan elektroteknik och elektronik (hsv)
- Engineering Science with specialization in Microwave Technology (uu)
- Teknisk fysik med inriktning mot mikrovågsteknik (uu)
Genre
- government publication (marcgt)
Indexterm och SAB-rubrik
- antenna array
- antenna-in-package
- beam-steering
- crossed dipole
- fan-out array
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International Journal of RF and Microwave Computer-Aided Engineering