![]() ![]() | VASQUEZ-PERALVO, J. A., MERLANO DUNCAN, J. C., EAPPEN, G., SINGH, V., PALISETTY, R., & GONZALEZ RIOS, J. L. (In press). Wide-Beamwidth Circular Polarized Antenna for Diversity Combining Applications. In J. A. VASQUEZ-PERALVO, J. C. MERLANO DUNCAN, G. EAPPEN, V. SINGH, R. PALISETTY, ... J. L. GONZALEZ RIOS, Global Communications Conference, Rio de Janeiro, 4 - 9 December 2022. IEEE. ![]() |
![]() ![]() | GONZALEZ RIOS, J. L., Martínez-Marrero, L., LAGUNAS, E., KRIVOCHIZA, J., GARCES SOCARRAS, L. M., Palisetty, R., MERLANO DUNCAN, J. C., & CHATZINOTAS, S. (2024). Doppler Shift in Precoded Cooperative Multi-Gateway Satellite Systems: Effects and Mitigation. In 2024 IEEE Wireless Communications and Networking Conference (WCNC). IEEE. doi:10.1109/wcnc57260.2024.10570931 ![]() |
![]() ![]() | HA, V. N., MERLANO DUNCAN, J. C., LAGUNAS, E., QUEROL, J., & CHATZINOTAS, S. (2024). Energy-Efficient Precoding and Feeder-Link-Beam Matching Design for Bent-Pipe SATCOM Systems. In Energy-Efficient Precoding and Feeder-Link-Beam Matching Design for Bent-Pipe SATCOM Systems. Washington, United States: IEEE. ![]() |
![]() ![]() | Liz Martínez Marrero, MERLANO DUNCAN, J. C., Jorge Luis González, KRIVOCHIZA, J., CHATZINOTAS, S., OTTERSTEN, B., & Adriano Camps. (2023). Accurate Phase Synchronization for Precoding-Enabled GEO Multibeam Satellite Systems. IEEE Open Journal of the Communications Society. doi:10.1109/OJCOMS.2023.3341621 ![]() |
![]() ![]() | VASQUEZ-PERALVO, J. A.* , CHATZINOTAS, S.* , MERLANO DUNCAN, J. C.* , & GONZALEZ RIOS, J. L.*. (2023). 2.5D Inductive Intertwined Frequency Selective Surface For Pass-Band Applications. In 2023 International Workshop on Antenna Technology, iWAT 2023. Institute of Electrical and Electronics Engineers Inc. doi:10.1109/iWAT57058.2023.10171701 ![]() * These authors have contributed equally to this work. |
![]() ![]() | PALISETTY, R., EAPPEN, G., SINGH, V., GARCES SOCARRAS, L. M., HA, V. N., VASQUEZ-PERALVO, J. A., GONZALEZ RIOS, J. L., MERLANO DUNCAN, J. C., Wallace Alves Martins, CHATZINOTAS, S., OTTERSTEN, B., Stephen King, Salvatore D’Addio, & Piero Angeletti. (2023). FPGA Implementation of Efficient 2D-FFT Beamforming for On-Board Processing in Satellites. In FPGA Implementation of Efficient 2D-FFT Beamforming for On-Board Processing in Satellites. New York, United States: IEEE. doi:10.1109/VTC2023-Fall60731.2023.10333351 ![]() |
![]() ![]() | LAUR, J., Luis, D., Viladegut, A., Giangaspero, V. F., Lani, A., GONZALEZ RIOS, J. L., QUEROL, J., VASQUEZ-PERALVO, J. A., MERLANO DUNCAN, J. C., HEIN, A., & THOEMEL, J. (02 October 2023). Radio Communication Blackout Mitigation: Ray Tracing Analysis and Signal Characterization Including Experimental Validation for Non-magnetized Plasmas [Paper presentation]. AEC 2023 - 10th EUCASS - 9th CEAS, Lausanne, Switzerland. doi:10.13009/EUCASS2023-487 |
![]() ![]() | MONZON BAEZA, V., Steven Kisseleff, GONZALEZ RIOS, J. L., VASQUEZ-PERALVO, J. A., Carlos Mosquera, Roberto López Valcarce, Tomás Ramírez, Pablo Losada Sanisidro, MERLANO DUNCAN, J. C., & CHATZINOTAS, S. (2023). Overview of Use Cases in Single Channel Full Duplex Techniques for Satellite Communication. KA and Broadband Communications Conference 2023. doi:10.48550/arXiv.2310.00151 ![]() |
![]() ![]() | PALISETTY, R., GARCES SOCARRAS, L. M., CHAKER, H., SINGH, V., EAPPEN, G., Martins, W. A., HA, V. N., VASQUEZ-PERALVO, J. A., GONZALEZ RIOS, J. L., MERLANO DUNCAN, J. C., CHATZINOTAS, S., OTTERSTEN, B., Coskun, A., King, S., D’Addio, S., & Angeletti, P. (05 September 2023). FPGA Implementation of Efficient Beamformer for On-Board Processing in MEO Satellites [Paper presentation]. IEEE PIMRC 2023. doi:10.1109/pimrc56721.2023.10294011 ![]() |
![]() ![]() | MAHIN ZAEEM, R., MERLANO DUNCAN, J. C., Martins, W. A., HA, V. N., CHATZINOTAS, S., & OTTERSTEN, B. (05 September 2023). Resource Allocation and User Scheduling Design for User-Centric Cell-Free Massive MIMO Systems [Paper presentation]. 2023 IEEE 34th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Toronto, Canada. doi:10.1109/pimrc56721.2023.10293858 ![]() |
![]() ![]() | MERLANO DUNCAN, J. C., HA, V. N., KRIVOCHIZA, J., PALISETTY, R., EAPPEN, G., VASQUEZ-PERALVO, J. A., Martins, W. A., CHATZINOTAS, S., & OTTERSTEN, B. (2023). Harnessing the Power of Swarm Satellite Networks with Wideband Distributed Beamforming. In in Proceeding of IEEE PIMRC 2023. United States: IEEE. doi:10.1109/pimrc56721.2023.10294061 ![]() |
![]() ![]() | VASQUEZ-PERALVO, J. A.* , EAPPEN, G.* , CHATZINOTAS, S.* , & MERLANO DUNCAN, J. C. (05 September 2023). Satellite Swarms for Narrow Beamwidth Applications [Paper presentation]. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Toronto, Canada. doi:10.1109/pimrc56721.2023.10293859 ![]() * These authors have contributed equally to this work. |
![]() ![]() | VASQUEZ-PERALVO, J. A.* , QUEROL, J.* , LAGUNAS, E.* , Baeza, V. M., FONTANESI, G., CHATZINOTAS, S.* , ORTIZ GOMEZ, F. D. G.* , GONZALEZ RIOS, J. L.* , GARCES SOCARRAS, L. M.* , & MERLANO DUNCAN, J. C.*. (31 July 2023). Flexible Beamforming for Direct Radiating Arrays in Satellite Communications. IEEE Access, 11, 79684 - 79696. doi:10.1109/ACCESS.2023.3300039 ![]() * These authors have contributed equally to this work. |
![]() ![]() | Chikosman, L., OLIVARES MENDEZ, M. A., MERLANO DUNCAN, J. C., KUMAR, S., SHEEMAR, C. K., CHATZINOTAS, S., RANA, L., HEIN, A., DRIF, Y., VARADARAJULU, S., JAFFER, G., SKRZYPCZYK, E., NIK, A., VAN DER MEER, D., VASQUEZ-PERALVO, J. A., PALISETTY, R., COLOMA CHACON, S., CHOVET, L., BERA, A., ... THOEMEL, J. (2023). System Analysis of Lunar Computations Communication Architectures [Poster presentation]. Space Resources Week, Luxembourg, Luxembourg. |
![]() ![]() | GONZALEZ RIOS, J. L., Vazquez, D., Moreno, R., MERLANO DUNCAN, J. C., Jensen, O. K., CHATZINOTAS, S., & OTTERSTEN, B. (2023). Stacked-Cascode Current Steering Architecture for Gallium Nitride Variable-Gain LNAs. In IEEE 14th Latin American Symposium on Circuits and Systems (LASCAS 2023). IEEE. doi:10.1109/LASCAS56464.2023.10108284 ![]() |
![]() ![]() | HA, V. N., Nguyen, T. T., LAGUNAS, E., MERLANO DUNCAN, J. C., & CHATZINOTAS, S. (2022). GEO Payload Power Minimization: Joint Precoding and Beam Hopping Design. In Proceedings of IEEE Global Communications Conference GLOBECOM 2022 (pp. 1-6). ![]() |
![]() ![]() | HA, V. N., ABDULLAH, Z., EAPPEN, G., MERLANO DUNCAN, J. C., PALISETTY, R., GONZALEZ RIOS, J. L., ALVES MARTINS, W., CHOU, H.-P., VASQUEZ-PERALVO, J. A., GARCES SOCARRAS, L. M., CHAKER, H., & CHATZINOTAS, S. (2022). Joint Linear Precoding and DFT Beamforming Design for Massive MIMO Satellite Communication. In IEEE Global Communications Conference GLOBECOM 2022. ![]() |
![]() ![]() | MARTINEZ MARRERO, L., HAQIQATNEJAD, A., MERLANO DUNCAN, J. C., CHATZINOTAS, S., & OTTERSTEN, B. (2022). Multiuser-MISO Precoding under Channel Phase Uncertainty in Satellite Communication Systems. IEEE Open Journal of Vehicular Technology. doi:10.1109/OJVT.2022.3221841 ![]() |
![]() ![]() | SINGH, V., SOLANKI, S., EAPPEN, G., PALISETTY, R., VU, T. X., MERLANO DUNCAN, J. C., CHATZINOTAS, S., & OTTERSTEN, B. (10 October 2022). On the Performance of Cache-Free/Cache-Aided STBC-NOMA in Cognitive Hybrid Satellite-Terrestrial Networks. IEEE Wireless Communications Letters, 11 (12), 2655-2659. doi:10.1109/LWC.2022.3213367 ![]() |
![]() ![]() | PALISETTY, R., EAPPEN, G., GONZALEZ RIOS, J. L., MERLANO DUNCAN, J. C., DOMOUCHTSIDIS, S., CHATZINOTAS, S., OTTERSTEN, B., Cortazar, B., Daddio, S., & Angeletti, P. (2022). Area-Power Analysis of FFT Based Digital Beamforming for GEO, MEO, and LEO Scenarios. In Area-Power Analysis of FFT Based Digital Beamforming for GEO, MEO, and LEO Scenarios. HELSINKI, Finland: IEEE. doi:10.1109/VTC2022-Spring54318.2022.9861037 ![]() |
![]() ![]() | MARTINEZ MARRERO, L., MERLANO DUNCAN, J. C., QUEROL, J., KUMAR, S., KRIVOCHIZA, J., SHARMA, S. K., CHATZINOTAS, S., Camps, A., & OTTERSTEN, B. (22 April 2022). Architectures and Synchronization Techniques for Distributed Satellite Systems: A Survey. IEEE Access, 10, 45375-45409. doi:10.1109/ACCESS.2022.3169499 ![]() |
![]() ![]() | MARTINEZ MARRERO, L., MERLANO DUNCAN, J. C., QUEROL, J., MATURO, N., KRIVOCHIZA, J., CHATZINOTAS, S., & OTTERSTEN, B. (10 April 2022). Differential Phase Compensation in Over-the-air Precoding Test-bed for a Multi-beam Satellite [Paper presentation]. IEEE Wireless Communications and Networking Conference (WCNC), Austin, TX, United States. doi:10.1109/WCNC51071.2022.9771918 |
![]() ![]() | VASQUEZ-PERALVO, J. A., MERLANO DUNCAN, J. C., CHATZINOTAS, S., & Rigelsford, J. (2022). Triangular Intertwined Frequency Selective Surface. In J. A. VASQUEZ-PERALVO, J. C. MERLANO DUNCAN, S. CHATZINOTAS, ... J. Rigelsford, International symposium on antennas and propagation. IEEE. doi:10.1109/ISAP53582.2022.9998685 ![]() |
![]() ![]() | THOEMEL, J., QUEROL, J., BOKAL, Z., MERLANO DUNCAN, J. C., GHOLAMIAN, M., KODHELI, O., KUMAR, S., MARTINEZ LUNA, C., MATURO, N., RANA, L., CHATZINOTAS, S., OLIVARES MENDEZ, M. A., VAN DAM, T., ABDALLA, A., DOCHE, J., ATRACHE, H., PALISETTY, R., Chacon, S., & OTTERSTEN, B. (2021). Solar-Aerodynamic Formation Flight for 5G Experiments. Proceedings of the 12th European CubeSatSymposium. |
![]() ![]() | QUEROL, J., MERLANO DUNCAN, J. C., MARTINEZ MARRERO, L., KRIVOCHIZA, J., KUMAR, S., MATURO, N., Camps, A., CHATZINOTAS, S., & OTTERSTEN, B. (15 July 2021). A Cubesat-ready Phase Synchronization Digital Payload for Coherent Distributed Remote Sensing Missions [Poster presentation]. 2021 International Geoscience and Remote Sensing Symposium (IGARSS). |
![]() ![]() | MARTINEZ MARRERO, L., MERLANO DUNCAN, J. C., QUEROL, J., CHATZINOTAS, S., Camps, A., & OTTERSTEN, B. (June 2021). A design strategy for phase synchronization in Precoding-enabled DVB-S2X user terminals [Paper presentation]. 2021 IEEE International Conference on Communications (ICC): SAC Satellite and Space Communications Track. |
![]() ![]() | QUEROL, J., ABDALLA, A., BOKAL, Z., MERLANO DUNCAN, J. C., GHOLAMIAN, M., KODHELI, O., KRIVOCHIZA, J., KUMAR, S., MARTINEZ LUNA, C., MATURO, N., RANA, L., THOEMEL, J., CHATZINOTAS, S., OLIVARES MENDEZ, M. A., VAN DAM, T., & OTTERSTEN, B. (19 April 2021). 5G-SpaceLab [Poster presentation]. 2021 Space Resources Week, Luxembourg. |
![]() ![]() | KRIVOCHIZA, J., MERLANO DUNCAN, J. C., QUEROL, J., MATURO, N., MARTINEZ MARRERO, L., Andrenacci, S., & Krause, J. (2021). End-to-end Precoding Validation over a Live GEO Satellite Forward Link. IEEE Access. doi:10.1109/ACCESS.2021.3064980 ![]() |
![]() ![]() | HAQIQATNEJAD, A., KRIVOCHIZA, J., MERLANO DUNCAN, J. C., CHATZINOTAS, S., & OTTERSTEN, B. (16 February 2021). Design Optimization for Low-Complexity FPGA Implementation of Symbol-Level Multiuser Precoding. IEEE Access, 9, 30698-30711. doi:10.1109/ACCESS.2021.3059936 ![]() |
![]() ![]() | KODHELI, O., LAGUNAS, E., MATURO, N., SHARMA, S. K., MYSORE RAMA RAO, B. S., MENDOZA MONTOYA, J. F., MERLANO DUNCAN, J. C., Spano, D., CHATZINOTAS, S., KISSELEFF, S., QUEROL, J., LEI, L., X. Vu, T., & Goussetis, G. (2021). Satellite Communications in the New Space Era: A Survey and Future Challenges. IEEE Communications Surveys and Tutorials, 23 (1), 70-109. doi:10.1109/COMST.2020.3028247 ![]() |
![]() ![]() | MERLANO DUNCAN, J. C., MARTINEZ MARRERO, L., QUEROL, J., KUMAR, S., Camps, A., CHATZINOTAS, S., & OTTERSTEN, B. (2021). A Remote Carrier Synchronization Technique for Coherent Distributed Remote Sensing Systems. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 14, 1909-1922. doi:10.1109/JSTARS.2020.3046776 ![]() |
![]() ![]() | KISSELEFF, S., LAGUNAS, E., Krivochiza, J., QUEROL, J., Maturo, N., MARTINEZ MARRERO, L., MERLANO DUNCAN, J. C., & CHATZINOTAS, S. (2021). Centralized Gateway Concept for Precoded Multi-beam GEO Satellite Networks. In VTC2021-Fall Workshop on Evolution of Non-Terrestrial Networks Toward 6G, Sept. 2021. ![]() |
![]() ![]() | MERLANO DUNCAN, J. C., QUEROL, J., MARTINEZ MARRERO, L., KRIVOCHIZA, J., Camps, A., CHATZINOTAS, S., & OTTERSTEN, B. (2020). SDR IMPLEMENTATION OF A TESTBED FOR SYNCHRONIZATION OF COHERENT DISTRIBUTED REMOTE SENSING SYSTEMS. Proceedings of IEEE International Geoscience and Remote Sensing Symposium 2020. doi:10.1109/JSTARS.2020.3046776 ![]() |
![]() ![]() | MERLANO DUNCAN, J. C., QUEROL, J., MATURO, N., KRIVOCHIZA, J., SPANO, D., NORSHAHIDA, S., MARTINEZ MARRERO, L., CHATZINOTAS, S., & OTTERSTEN, B. (2019). Hardware Precoding Demonstration in Multi-Beam UHTS Communications under Realistic Payload Characteristics. Proceedings of the 37th International Communications Satellite Systems Conference. ![]() |
![]() ![]() | MARTINEZ MARRERO, L., MERLANO DUNCAN, J. C., QUEROL, J., CHATZINOTAS, S., Camps Carmona, A. J., & OTTERSTEN, B. (October 2019). EFFECTS OF MULTIPLE OSCILLATOR PHASE NOISE IN PRECODING PERFORMANCE [Paper presentation]. 37th International Communications Satellite Systems Conference (ICSSC2019), Okinawa, Japan. |
![]() ![]() | MERLANO DUNCAN, J. C., QUEROL, J., Camps, A., CHATZINOTAS, S., & OTTERSTEN, B. (2019). ARCHITECTURES AND SYNCHRONIZATION TECHNIQUES FOR COHERENT DISTRIBUTED REMOTE SENSING SYSTEMS. 2019 IEEE International Geoscience and Remote Sensing Symposium (IGARSS). ![]() |
![]() ![]() | KRIVOCHIZA, J., MERLANO DUNCAN, J. C., CHATZINOTAS, S., & OTTERSTEN, B. (August 2019). M-QAM Modulation Symbol-Level Precoding for Power Minimization: Closed-Form Solution [Paper presentation]. 16th International Symposium on Wireless Communication Systems ISWCS2019. |
![]() ![]() | KRIVOCHIZA, J., MERLANO DUNCAN, J. C., ANDRENACCI, S., CHATZINOTAS, S., & OTTERSTEN, B. (2019). FPGA Acceleration for Computationally Efficient Symbol-Level Precoding in Multi-User Multi-Antenna Communication Systems. IEEE Access. doi:10.1109/ACCESS.2019.2894181 ![]() |
![]() ![]() | MATURO, N., MERLANO DUNCAN, J. C., KRIVOCHIZA, J., QUEROL, J., SPANO, D., CHATZINOTAS, S., & OTTERSTEN, B. (2019). Demonstrator of Precoding Technique for a Multi-Beams Satellite System. In 2019 8th International Workshop on Tracking, Telemetry and Command Systems for Space Applications (TTC) (pp. 1-8). doi:10.1109/TTC.2019.8895466 ![]() |
KRIVOCHIZA, J., MERLANO DUNCAN, J. C., ANDRENACCI, S., CHATZINOTAS, S., & OTTERSTEN, B. (December 2018). Closed-Form Solution for Computationally Efficient Symbol-Level Precoding [Paper presentation]. IEEE Global Communications Conference 2018, Abu Dhabi, United Arab Emirates. |
![]() ![]() | MERLANO DUNCAN, J. C., KRIVOCHIZA, J., ANDRENACCI, S., CHATZINOTAS, S., & OTTERSTEN, B. (October 2018). Hardware Demonstration of Precoded Communications in Multi-Beam UHTS Systems [Paper presentation]. 36th International Communications Satellite Systems Conference (ICSSC), Niagara Falls, Canada. |
![]() ![]() | KRIVOCHIZA, J., MERLANO DUNCAN, J. C., ANDRENACCI, S., CHATZINOTAS, S., & OTTERSTEN, B. (June 2018). Computationally and Energy Efficient Symbol-Level Precoding Communications Demonstrator. Physical Communication, 28, 108-115. doi:10.1016/j.phycom.2018.03.009 ![]() |
![]() ![]() | Politis, C., MALEKI, S., MERLANO DUNCAN, J. C., KRIVOCHIZA, J., CHATZINOTAS, S., & OTTERSTEN, B. (2018). SDR Implementation of a Testbed for Real-Time Interference Detection with Signal Cancellation. IEEE Access. doi:10.1109/ACCESS.2018.2825885 ![]() |
![]() ![]() | MERLANO DUNCAN, J. C., KRIVOCHIZA, J., ANDRENACCI, S., CHATZINOTAS, S., OTTERSTEN, B., & KRIVOCHIZA, J. (2017). Computationally Efficient Symbol-Level Precoding Communications Demonstrator. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. ![]() |
![]() ![]() | MERLANO DUNCAN, J. C., SHARMA, S. K., CHATZINOTAS, S., OTTERSTEN, B., & Wang, X. (2017). Multi-antenna based one-bit spatio-temporal wideband sensing for cognitive radio networks. Proceedings of IEEE International Conference on Communications (ICC) 2017, 1-7. doi:10.1109/ICC.2017.7996737 ![]() |