Ultra-wideband Circularly Polarized Planar Array Antenna Using Single-Arm-Spiral Elements and Dielectric-based IMGW
Paper i proceeding, 2019

An ultra-wideband circularly polarized (CP) planar array antenna is proposed in this paper. Using the concept of tightly coupled array antenna, the single-arm spiral element obtains good impedance matching and axial ratio (AR) characteristics in an ultra-wide frequency range. The new single-arm spiral element has a single-arm feeding structure which can be easily connected with the feeding network throughout a via. The feeding network is achieved by using dielectric-based inverted microstrip gap waveguide (IMGW) technology. An 8 × 8 CP planar array is designed. The simulated results show that the proposed array achieves a relative impedance bandwidth of 52.8% from 17.87 to 30.7 GHz and 3-dB axial ratio bandwidth of 49.2% from 18.6 to 30.75 GHz.

circularly polarized

dielectric-based IMGW.

ultra-wideband

planar array antenna

Författare

Tianling Zhang

Xidian University

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Lei Chen

Xidian University

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Sadegh Mansouri Moghaddam

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Ashraf Uz Zaman

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Jian Yang

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

2019 International Symposium on Antennas and Propagation, ISAP 2019 - Proceedings

8963492

2019 International Symposium on Antennas and Propagation, ISAP 2019
Xian, China,

Ämneskategorier

Telekommunikation

Kommunikationssystem

Annan elektroteknik och elektronik

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2024-01-03