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mmWave Flat Panel Phased Array Antenna Module With Enhanced Scanning Coverage
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DOI：10.1109/ACCESS.2024.3493385.png)
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Abstract
En 中文
A compact mmWave phased array antenna module (PAAM) with wide beamwidth radiators to ensure seamless mmWave communication is proposed in this article. Unlike the typical PAAM consisting of patch-type elements with limited half power beamwidth (HPBW) around 90 degrees, the proposed PAAM is configured by balanced multipole elements with extended HPBW in both E- and H-planes. Due to the extended HPBW of the proposed antenna element, the proposed PAMM can steer main beams for wider angles with lower side lobe levels. First, a single mmWave wide HPBW antenna element was fabricated and verified at 28 GHz, showing the measured HPBW of 148.3 degrees and 141.3 degrees in E- and H- planes, respectively. The measured HPBW of the proposed antenna showed more than 96% inrease in both planes, comparing with the conventional patch at 28 GHz. Moreover, 1 x 4 PAAM was fabricated by integrating the antenna array directly with a 4-channel beamforming IC to further verify the mmWave communications at 28 GHz with minimized blind spots. With 64-QAM over-the-air (OTA) test, the proposed PAAM showed the measured error vector magnitude (EVM) less than 7.1% at +/- 75 degrees ranges while the conventional patch-based PAAM showed the measured EVM of 27.8% at +/- 75 degrees.
Keywords:
Antennas
Millimeter wave communication
Antenna arrays
Phased arrays
Dipole antennas
Patch antennas
Autonomous robots
Aperture antennas
Antenna measurements
Array signal processing
mmWave antenna
phased array antenna module
wide angle scanning array
wide beamwidth antenna
Journal
IF:
3.6
Papers:
9.8W
Citations:
29.4W