Chip Reference Antennas: Improving Millimeter-Wave On-Chip Antenna Measurements

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The adoption of millimeter wave phased arrays for a variety of applications has led to an increased need for on-chip antenna measurements

The antenna elements are tested via micro-probe connections due to their tiny dimensions. For typical wireless applications (e.g. 5G/NR or IEEE these phased arrays, are expected to provide near omni-directional coverage. Even with carefully designed spherical antenna measurement system, the micro-probe and its positioner provide blockage and errors due to scattering. Judicious design of reference antennas can significantly improve the quality of the overall measurement. 

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