Mobile Phased Antenna Array @ 6 GHz with Digitally Tunable Capacitor Phase Shifters

Carla di Paola, Samantha Caporal Del Barrio, Shuai Zhang, Arthur S. Morris , Gert Frølund Pedersen

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Abstrakt

This paper evaluates the performance of the digitally tunable capacitor phase shifter, mounted on a phased antenna array, in the frequency range from 5 to 6 GHz. It is based on the WS1042, a single-chip, fully-integrated tunable RF capacitor featuring four high resolution, tunable MEMS capacitors under control of a MIPI RFFE serial interface. The design of the phased antenna array consists of four quarter wavelength dipoles printed on the short edge of an FR4 substrate. Simulations including 70° and 105° phase shift demonstrated that the array can steer a beam wider than 80° and 100° respectively with a maximum gain of 7 dBi. The measurements, carried out in the MVG SG24, confirm that the prototype allows to reach the same scan angle observed in the simulations, but highlight a significant decrease in gain of 5 dB, due to the loss introduced by the four phase shifters and the port divider.

OriginalsprogEngelsk
Titel13th European Conference on Antenna and Propagation (EuCAP)
Antal sider4
ForlagIEEE
Publikationsdato20 jun. 2019
Artikelnummer8739643
ISBN (Trykt)978-1-5386-8127-5
ISBN (Elektronisk)978-88-907018-8-7
StatusUdgivet - 20 jun. 2019
BegivenhedThe 13th European Conference on Antennas and Propagation - Krakow, Krakow, Polen
Varighed: 31 mar. 20195 apr. 2019
https://www.eucap2019.org/

Konference

KonferenceThe 13th European Conference on Antennas and Propagation
LokationKrakow
LandPolen
ByKrakow
Periode31/03/201905/04/2019
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