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V-band high efficiency corporate-fed 8×8 slot array antenna with ETSI class II radiation pattern based on gap technology

Abbas Vosoogh (Institutionen för signaler och system, Antennsystem) ; Per-Simon Kildal (Institutionen för signaler och system, Antennsystem)
2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016, Puerto Rico, 26 June - 1 July 2016 p. 803-804. (2016)
[Konferensbidrag, refereegranskat]

A multilayer gap waveguide 8×8 slot array antenna with high efficiency for 60 GHz applications is presented in this paper. The proposed antenna is composed of three unconnected metal layers. A ridge gap waveguide corporate distribution network feeds a radiation layer with 4×4 cavity-backed slot subarrays. The co-polar radiation pattern and sidelobe levels of the antenna are improved by using a simple slot-tilting method to fulfill the radiation pattern requirement of the ETSI 302 standard for fixed radio links. The fabricated prototype has a relative bandwidth of 12 % with input reflection coefficient better than -10 dB. The E- and H-planes radiation patterns satisfy the ETSI class II co-polar sidelobe envelope over 57-65 GHz frequency band. The measured total aperture efficiency is better than 65% over the operating frequency band.

Nyckelord: cavity antenna array , gap waveguide , high efficiency , mmilimeter wave , slot array antenna

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Denna post skapades 2016-12-21. Senast ändrad 2017-02-17.
CPL Pubid: 246435


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Institutioner (Chalmers)

Institutionen för signaler och system, Antennsystem (2014-2017)


Informations- och kommunikationsteknik

Chalmers infrastruktur

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Towards Gap Waveguide Array Antenna for Millimeter Wave Applications