Junjun Qiu

A 39-GHz 64-Element Phased-Array Transceiver With Built-In Phase and Amplitude Calibrations for Large-Array 5G NR in 65-nm CMOS

Yun Wang, Rui Wu, Jian Pang et al. · IEEE Journal of Solid-State Circuits · 2020 · 213 citations · Full text

Large-array 5G, Phase Calibration, Millimeter Wave Technology +12

A 28-GHz CMOS Phased-Array Beamformer Utilizing Neutralized Bi-Directional Technique Supporting Dual-Polarized MIMO for 5G NR

Jian Pang, Zheng Li, Ryo Kubozoe et al. · IEEE Journal of Solid-State Circuits · 2020 · 173 citations · Full text

Millimeter Wave Technology, Engineering, Millimeter-wave Mimo Systems +6

21.1 A 28GHz CMOS Phased-Array Beamformer Utilizing Neutralized Bi-Directional Technique Supporting Dual-Polarized MIMO for 5G NR

Jian Pang, Li Zheng, Ryo Kubozoe et al. · 2019 · 63 citations

Wireless Communications, Millimeter Wave Technology, Engineering +8

A Fully Synthesizable Fractional-<i>N</i> MDLL With Zero-Order Interpolation-Based DTC Nonlinearity Calibration and Two-Step Hybrid Phase Offset Calibration

Bangan Liu, Yuncheng Zhang, Junjun Qiu et al. · IEEE Transactions on Circuits and Systems I Regular Papers · 2020 · 48 citations · Full text

Fractional-order System, Clock Recovery, Data Converter +7

A <i>Ka</i>-Band SATCOM Transceiver in 65-nm CMOS With High-Linearity TX and Dual-Channel Wide-Dynamic-Range RX for Terrestrial Terminal

Yun Wang, Dongwon You, Xi Fu et al. · IEEE Journal of Solid-State Circuits · 2021 · 39 citations · Full text

Wireless Communications, Polarization Multiplexing, Engineering +11