A Low-Cost Scalable 32-Element 28-GHz Phased Array Transceiver for 5G Communication Links Based on a &lt;inline-formula&gt; &lt;tex-math notation="LaTeX"&gt;$2\times 2$ &lt;/tex-math&gt; &lt;/inline-formula&gt; Beamformer Flip-Chip Unit Cell

A Low-Cost Scalable 32-Element 28-GHz Phased Array Transceiver for 5G Communication Links Based on a <inline-formula> <tex-math notation="LaTeX">$2\times 2$ </tex-math> </inline-formula> Beamformer Flip-Chip Unit Cell