Kyoung-Rok Cho

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About

Kyoung-Rok Cho is a prominent researcher in wireless communications and radio frequency engineering, with a particular focus on spectrum coexistence and interference mitigation in unlicensed bands. His seminal 2004 study, "Experiments on radio interference between wireless LAN and other radio devices on a 2.4 GHz ISM band" (39 citations), remains a foundational reference for understanding the challenges of deploying Wi-Fi alongside other low-power devices in the crowded 2.4 GHz ISM band. Cho’s work systematically characterizes interference scenarios between wireless LANs and systems like Bluetooth, cordless phones, and microwave ovens, providing critical experimental data that has informed both regulatory standards and practical network design. By quantifying the impact of co-channel and adjacent-channel interference on throughput and latency, his research has helped engineers develop more robust coexistence strategies. Cho’s contributions are particularly valuable for students and researchers exploring spectrum sharing, IoT connectivity, and next-generation wireless systems operating in unlicensed bands. His methodical approach to interference analysis continues to guide efforts to maximize spectral efficiency while minimizing disruption between heterogeneous radio devices.