Radio over 50 km Fiber and Joint 80 m FSO/Wireless Links Using Photonic Frequency Doubling for 5G. - Jan Bohata; Jan Spacil; Dong-Nhat Nguyen; Stanislav Zvanovec; Luis Vallejo; Beatriz Ortega (GLOBECOM, 2019)

Experimental Photonic 40 - 90 GHz Millimetre-Wave Signal Generation and 10 Gb/s 32-QAM Signal Transmission over Hybrid Fiber/FSO 5G Networks. - Luis Vallejo; Beatriz Ortega; Jan Bohata; Stanislav Zvanovec; Vicenç Almenar (ICTON, 2019)

Antenna Phased Array Beamforming at 26 GHz Using Optical True Time-Delay. - Jan Bohata; Tomás Lonský; Jan Spácil; Pavel Hazdra; Zdenek Hradecký; Matej Komanec; Stanislav Zvánovec; Luis Vallejo; Beatriz Ortega (CSNDSP, 2020)

Transmission of 2 bits/symbol over RoF and RoFSO links with different architectures for ubiquitous coverage. - Dong-Nhat Nguyen; Luis Vallejo; Jan Bohata; Stanislav Zvanovec; Beatriz Ortega; Zabih Ghassemlooy (CSNDSP, 2020)

Comparison of carrier suppressed and quadrature bias point external modulation for 40 GHz millimeter-wave photonic generation using a 16-QAM signal with directly modulated laser. - Luis Vallejo; Dong-Nhat Nguyen; Stanislav Zvanovec; Beatriz Ortega; Jan Bohata; Vicenç Almenar (CSNDSP, 2020)

Usability of a 5G Fronthaul Based on a DML and External Modulation for M-QAM Transmission Over Photonically Generated 40 GHz. - Luis Vallejo; Beatriz Ortega; Dong-Nhat Nguyen; Jan Bohata; Vicenç Almenar; Stanislav Zvanovec (IEEE Access, 2020)

Flexible Multiband Signal Transmission using a Directly Modulated Laser over Photonically Generated 40 GHz. - Luis Vallejo; Dong-Nhat Nguyen; Beatriz Ortega; Jan Bohata; Vicenç Almenar; Stanislav Zvanovec (EuCNC/6G Summit, 2021)

Multiband IFoF signal transmission based on DML with local photonic 40 GHz up conversion. - Luis Vallejo; Beatriz Ortega; Dong-Nhat Nguyen; Jan Bohata; José Mora; Stanislav Zvanovec (ISWCS, 2021)

Heterogeneous RoF, RoFSO and RF bidirectional links in n79 5G band. - Luis Vallejo; Jan Bohata; Dong-Nhat Nguyen; Beatriz Ortega; José Mora; Stanislav Zvánovec (CSNDSP, 2022)

Phase Modulation-based Fronthaul Network for 5G mmWave FR-2 Signal Transmission over Hybrid Links. - Marta Botella-Campos; Jan Bohata; Luis Vallejo; José Mora; Stanislav Zvanovec; Beatriz Ortega (EuCNC/6G Summit, 2023)

Remote mmW photonic local oscillator delivery for uplink down-conversion in DML-based optical hybrid C-RAN fronthaul. - Luis Vallejo; Jan Bohata; José Mora; Stanislav Zvanovec; Beatriz Ortega (J. Opt. Commun. Netw., 2023)

Performance Evaluation of Multi-Gb/s Sub-6 GHz Signals over Bidirectional Microwave Photonic Links for Urban and Rural Areas. - Jan Bohata; Dong-Nhat Nguyen; Luis Vallejo; Beatriz Ortega; José Mora; Stanislav Zvánovec (CSNDSP, 2024)

Full-Duplex Transmissions in Heterogeneous Fiber-FSO-Wireless Converged Access Networks at Ka-Band. - Luis Vallejo; José Mora; Beatriz Ortega; Wei Jin; Jaime Romero; Jianming Tang 001 (EuCNC/6G Summit, 2025)

Chaotic Digital Filter-based Physical Layer Security in Seamlessly Converged Fiber-mmWave Access Networks. - Jiaxiang He; Luis Vallejo; Wei Jin; Roger P. Giddings; Jianming Tang 001 (OFC, 2025)