Emerging GaN Technologies for Next-Generation Millimeter-Wave Applications
Farid Medjdoub, K. Shinohara, Fabian Thome, Jeong‐Sun Moon, Eduardo M. Chumbes, Matthew Guidry, Umesh K. Mishra, Enrico Zanoni, Matteo Meneghini, Gaudenzio Meneghesso, James W. Pomeroy, Terirama Thingujam, Martin Kuball
Abstract
Advanced millimeter-wave (mm-wave) transceiver systems, including future mm-wave 5G and 6G mobile networks, are of great interest to support high-data-rate communications (e.g., 10 Gb/s or higher) and backhaul communications with >50 Gb/s. Since the E band and beyond can also support multigigahertz bandwidths, there is also growing interest in phased-array implementations. With its inherent integration advantage, SiGe phased arrays were demonstrated at the W band <xref ref-type="bibr" rid="ref1" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">[1]</xref>, with the latest result of a >10-Gb/s data rate <xref ref-type="bibr" rid="ref2" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">[2]</xref>. In the case of point-to-point wireless links, III–V technologies [e.g., a pseudomorphic high-electron mobility transistor (pHEMT)] have also been utilized in full-duplex W-band links with a peak data rate of 10 Gb/s <xref ref-type="bibr" rid="ref2" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">[2]</xref>.