This paper presents a scalable 28 GHz beamforming system for 5G automotive connectivity, based on 2×2 TRX beamforming core chips and patch antenna arrays. In particular, the design of two key elements of the system is presented, namely the patch antenna and the power amplifier. The antenna has a gain of 7.5 dB. At 28 GHz the power amplifier delivers a maximum output power of 13.5 dBm, with an output referred P1dB of 13 dBm, a gain of 21.8 dB and peak PAE of 15.3%. Exploiting these results, the proposed system can deliver an EIRP of 34.5 dBm with a full 360-degree coverage of the azimuth angle.
A 28 GHz Scalable Beamforming System for 5G Automotive Connectivity: An Integrated Patch Antenna and Power Amplifier Solution / Aluigi, L.; Orecchini, G.; Larcher, L.. - (2018), pp. 1-3. (Intervento presentato al convegno 2018 IEEE MTT-S International Microwave Workshop Series on 5G Hardware and System Technologies, IMWS-5G 2018 tenutosi a UCD, irl nel 2018) [10.1109/IMWS-5G.2018.8484325].
A 28 GHz Scalable Beamforming System for 5G Automotive Connectivity: An Integrated Patch Antenna and Power Amplifier Solution
Aluigi L.;Orecchini G.;Larcher L.
2018
Abstract
This paper presents a scalable 28 GHz beamforming system for 5G automotive connectivity, based on 2×2 TRX beamforming core chips and patch antenna arrays. In particular, the design of two key elements of the system is presented, namely the patch antenna and the power amplifier. The antenna has a gain of 7.5 dB. At 28 GHz the power amplifier delivers a maximum output power of 13.5 dBm, with an output referred P1dB of 13 dBm, a gain of 21.8 dB and peak PAE of 15.3%. Exploiting these results, the proposed system can deliver an EIRP of 34.5 dBm with a full 360-degree coverage of the azimuth angle.
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