Effects of Equatorial Plasma Bubbles on Multi-GNSS Signals: A Case Study over South China.

Accurate Estimation of Height and Zonal Drift Velocity of Ionospheric Irregularities Using Two Pairs of Receivers and BeiDou Geostationary Satellites.

Analysis of the Ionospheric Irregularities and Phase Scintillation at Low and Middle Latitudes Based on Swarm Observations.

Characteristics of Medium-Scale Traveling Ionospheric Disturbances and Ionospheric Irregularities at Mid-Latitudes Revealed by the Total Electron Content Associated With the Beidou Geostationary Satellite.

Investigation of Daytime Total Electron Content Enhancements over the Asian-Australian Sector Observed from the Beidou Geostationary Satellite during 2016-2018.

An 11.2-mW 5-GHz CMOS Frequency Synthesizer with Low Power Prescaler for Zigbee Application.

Current reused Colpitts VCO and frequency divider with quadrature outputs.

A CMOS voltage controlled oscillator topology for suppression of flicker noise up-conversion.