1. Excellent knowledge of 3GPP/IEEE 802.11 standard and radio architecture.
2. Experience in defining RFFE architecture, detail specifications for supporting ENDC, CA, and MIMO.
3. Knowledge of cellular/GPS/WiFi/BT coexistence and it’s tradeoff with RFIC for harmonic, noise, interference and isolation.
4. Experience in defining detailed specifications for Power Amplifiers/FEMs/Diversity Rx/Antenna Tuning & the accompanying 3GPP validation requirements.
5. Knowledge of Tx power control and Rx gain control including algorithm concept and accuracy spec.
6. Knowledge of key RFFE components – including envelope tracking (ET) and antenna tuning (AT).