1. Tesi Doctoral. LÁZARO GUILLÉN, ANTONIO RAMON (Director) ; GIRBAU SALA, DAVID (Codirector) Doctorant: Marc Lázaro Martí (2023). Long-Range backscattering ring communications for next generation IoT applications.
2. Tesi Doctoral. LÁZARO GUILLÉN, ANTONIO RAMON (Director) ; GIRBAU SALA, DAVID (Codirector) Doctorant: Marti Boada Navarro (2021). BATTERY-LESS NEAR FIELD COMMUNICATIONS (NFC) SENSORS FOR INTERNET OF THINGS (IoT) APPLICATIONS.
3. Tesi Doctoral. LÁZARO GUILLÉN, ANTONIO RAMON (Director) ; GIRBAU SALA, DAVID (Codirector) Doctorant: Stefano Milici (2018). ANALYSIS OF WIRELESS BODY-CENTRIC MEDICAL SENSORS FOR REMOTE HEALTHCARE. Urv.
4. Tesi Doctoral. LÁZARO GUILLÉN, ANTONIO RAMON (Director) ; GIRBAU SALA, DAVID (Codirector) Doctorant: Javier Lorenzo Galera (2017). ADVANCED WIRELES SYSTEMS FOR IDENTIFICATION, SENSING AND LOCALIZATION.
5. Proposta de Tesi Doctoral. GIRBAU SALA, DAVID (Director) ; LÁZARO GUILLÉN, ANTONIO RAMON (Director) Doctorant: Angel Ramos Felix (2015). Application of ultra-wide band technology to RFID and wireless sensors. Universitat Rovira i Virgili.
6. Tesi Doctoral. LÁZARO GUILLÉN, ANTONIO RAMON (Autor o Coautor) ; Antonio Lázaro Guillén (Director) Doctorant: Bogdan Mihai Nae (2011). Compact modelatge de rf and noise behavior de multi-gate mosfets. Universitat Rovira i Virgili.
7. Tesis Doctoral. LÁZARO GUILLÉN, ANTONIO RAMON (Director) Doctorando: David Girbau Sala (2006). Mems switches and capacitors for microwave communication systems. Universitat Politècncia de Catalunya.
8. Tesi Doctoral. LLAÇAR GUILLÉN, ANTONIO RAMON (Director) Doctorand: María del Carmen Maya (2003). Mesura de paràmetres de soroll de dispositius actius, basada en font adaptada. Universitat Politècncia de Catalunya