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A New 2x2 Microstrip Patch Sub-array for 60GHz Wideband Planar Antenna with Ridge Gap Waveguide Distribution Layer

Ashraf Uz Zaman (Institutionen för signaler och system, Antennsystem) ; Per-Simon Kildal (Institutionen för signaler och system, Antennsystem)
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015 (2015)
[Konferensbidrag, refereegranskat]

We propose a two layer planar antenna where a ridge gap waveguide corporate distribution network feeds a subarray of 2×2 radiating microstrip patch elements. There exists a coupling slot in the ground plane of the substrate layer which allows the excitation of the microstrip patch elements from the ridge gap waveguide layer. The ground plane of the substrate also serves the purpose of top metal layer for the ridge gap waveguide section. The proposed antenna is operating over 15% relative bandwidth covering 56-66 GHz frequency range with -12 dB reflection coefficient. The simulated directivity of the 2×2 element array is 11.5dbi at the center of the band. The simulated directivity for the 16×16 element array using the infinite array approach is found to be 28.7dBi.

Nyckelord: Single-layer structure, microstrip patch array, waveguide slot-array, corporate feed network, gap waveguides

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Denna post skapades 2015-12-09. Senast ändrad 2016-09-22.
CPL Pubid: 227756


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Institutioner (Chalmers)

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


Informations- och kommunikationsteknik
Elektroteknik och elektronik

Chalmers infrastruktur