Journal Papers

• R. Shrestha, T. N. Ha, P. Q. Viet, and D. Romero, "Radio map estimation: empirical validation and analysis," arXiv preprint arXiv:2310.11036, 2024.
• D. Romero, P. Q. Viet, and R. Shrestha, "Aerial base station placement via propagation radio maps," IEEE Trans. Commun., 2024.
• Pham Q. Viet and Daniel Romero, "Probabilistic roadmaps for aerial relay path planning," arXiv preprint arXiv:2310.11752v2, 2024.
• D. Romero, T. N. Ha, R. Shrestha, and M. Franceschetti, "Theoretical analysis of the radio map estimation problem," IEEE Trans. Wireless Commun., May 2024.
• R. Shrestha, D. Romero, and S. P. Chepuri, "Spectrum surveying: active radio map estimation with autonomous UAVs," IEEE Trans. Wireless Commun., Vol. 22, 2022. [ Code ] [ Video ]
• D. Romero and S.-J. Kim, "Radio map estimation: a data-driven approach to spectrum cartography," IEEE Signal Process. Mag., Vol. 39, 2022.
• P. Q. Viet and D. Romero, "Aerial base station placement: a tutorial introduction," IEEE Commun. Mag., Vol. 60, 2022.
• D. Romero, "Comments on "design of asymmetric shift operators for efficient decentralized subspace projection"," IEEE Trans. Signal Process., Vol. 70, Jun. 2022.
• M. Elnourani, S. Deshmukh, B. Beferull-Lozano, and D. Romero, "Robust sum-rate maximization for underlay device-to-device communications on multiple channels," IEEE Trans. Vehicular Tech., Vol. 71, Jan. 2022.
• Y. Teganya and D. Romero, "Deep completion autoencoders for radio map estimation," IEEE Trans. Wireless Commun., Vol. 21, 2021. [ Code ]
• B. Zaman, L. M. Lopez Ramos, D. Romero, and B. Beferull-Lozano, "Online topology identification from vector autoregressive time series," IEEE Trans. Signal Process., Vol. 69, 2021. [ Code ]
• D. Romero, S. Mollaebrahim, B. Beferull-Lozano, and C. Asensio-Marco, "Fast graph filters for decentralized subspace projection," IEEE Trans. Signal Process., Vol. 69, 2021. [ Code ] [ Video ]
• Y. Teganya, D. Romero, L. M. Lopez-Ramos, and B. Beferull-Lozano, "Location-free spectrum cartography," IEEE Trans. Signal Process., Vol. 67, Aug. 2019. [ Code ]
• D. Ramírez, D. Romero, J. Vía, R. López-Valcarce, and I. Santamaría, "Testing equality of multiple power spectral density matrices," IEEE Trans. Signal Process., Vol. 66, Dec. 2018.
• V. N. Ioannidis, D. Romero, and G. B. Giannakis, "Inference of spatio-temporal functions over graphs via multi-kernel kriged Kalman filtering," IEEE Trans. Signal Process., Vol. 66, Jun. 2018. [ Code ]
• D. Romero, D. Lee, and G. B. Giannakis, "Blind radio tomography," IEEE Trans. Signal Process., Vol. 66, Apr. 2018. [ Code ]
• L. Zhang, G. Wang, D. Romero, and G. B. Giannakis, "Randomized block Frank-Wolfe for convergent large-scale learning," IEEE Trans. Signal Process., Vol. 65, Dec. 2017.
• D. Romero, V. N. Ioannidis, and G. B. Giannakis, "Kernel-based reconstruction of space-time functions on dynamic graphs," IEEE J. Sel. Topics Signal Process., Vol. 11, Sep. 2017. [ Code ]
• D. Romero, S-J. Kim, G. B. Giannakis, and R. López-Valcarce, "Learning power spectrum maps from quantized power measurements," IEEE Trans. Signal Process., Vol. 65, May 2017.
• D. Romero, M. Ma, and G. B. Giannakis, "Kernel-based reconstruction of graph signals," IEEE Trans. Signal Process., Vol. 65, Feb. 2017.
• D. Romero, D. D. Ariananda, Z. Tian, and G. Leus, "Compressive covariance sensing: structure-based compressive sensing beyond sparsity," IEEE Signal Process. Mag., Vol. 33, Jan. 2016.
• D. D. Ariananda, D. Romero, and G. Leus, "Compressive periodogram reconstruction using uniform binning," IEEE Trans. Signal Process., Vol. 63, Aug. 2015.
• D. Romero, R. López-Valcarce, and G. Leus, "Compression limits for random vectors with linearly parameterized second-order statistics," IEEE Trans. Inf. Theory, Vol. 61, Mar. 2015.
• D. Romero and R. López-Valcarce, "Spectrum sensing for wireless microphone signals using multiple antennas," IEEE Trans. Veh. Technol., Vol. 63, Nov. 2014.
• J. Schmidt, D. Romero, and R. López-Valcarce, "Active interference cancellation for OFDM spectrum sculpting: linear processing is optimal," IEEE Commun. Lett., Vol. 18, Sep. 2014.
• D. Romero and G. Leus, "Wideband spectrum sensing from compressed measurements using spectral prior information," IEEE Trans. Signal Process., Vol. 61, Dec. 2013.

Conference Papers

• T. N. Ha, D. Romero, and R. López-Valcarce, "Radio maps for beam alignment in mmWave communications with location uncertainty," IEEE Veh. Technol. Conf. Workshop (Singapore), 2024.
• T. N. Ha and D. Romero, "Spoofing detection in the physical layer with graph neural networks," IEEE Vehicular Tech. Conf., Spring (Singapore), 2024.
• D. Romero, T. N. Ha, and P. Gerstoft, "Spoofing attack detection in the physical layer with robustness to user movement," IEEE Wireless Comm. Netw. Conf. (Dubai), 2024.
• D. Romero, T. N. Ha, R. Shrestha, and M. Franceschetti, "Analytical performance bounds for radio map estimation," IEEE Vehicular Tech. Conf., Spring (Singapore), 2024.
• P. Q. Viet and D. Romero, "Probabilistic roadmaps for aerial relay path planning," IEEE Glob. Commun. Conf. 2023.
• R. Shrestha, T. N. Ha, P. Q. Viet, and D. Romero, "Radio map estimation in the real-world: empirical validation and analysis," IEEE Conf. Antenna Meas. Appl. (Genoa, Italy), 2023.
• D. Romero, P. Q. Viet, and G. Leus, "Aerial base station placement leveraging radio tomographic maps," IEEE Int. Conf. Acoustics Speech Signal Process. (Singapore), 2022. [ Code ] [ Video ]
• P. Q. Viet and D. Romero, "Implicit channel charting with application to UAV-aided localization," IEEE Int. Workshop Signal Process. Advances Wireless Commun. (Oulu, Finland), 2022. [ Video ]
• J. Cardenas-Cartagena, B. Beferull-Lozano, M. Elnourani, and D. Romero, "Risk-aware particle filtering for state estimation in recirculating aquaculture systems," 2022 56th Asilomar Conference on Signals, Systems, and Computers 2022.
• S. Mollaebrahim, D. Romero, and B. Beferull-Lozano, "Fast decentralized linear functions via successive graph shift operators," IEEE Int. Conf. Acoustics, Speech and Signal Processing (Toronto, Canada), Jun. 2021. [ Video ]
• R. Jaiswal and D. Romero, "Implicit Wiener filtering for speech enhancement in non-stationary noise," Int. Conf. Information Science and Technology (Chengdu, China), May 2021.
• D. Romero, R. Shrestha, Y. Teganya, and S. P. Chepuri, "Aerial spectrum surveying: radio map estimation with autonomous UAVs," Proc. IEEE Int. Workshop Mach. Learn. Signal Process. (Espoo, Finland), Sep. 2020. [ Code ] [ Video ]
• Y. Teganya and D. Romero, "Data-driven spectrum cartography via deep completion autoencoders," Proc. IEEE Int. Conf. Commun. (Dublin, Ireland), Jul. 2020.
• M. Elnourani, S. Deshmukh, B. Beferull-Lozano, and D. Romero, "Robust transmit beamforming for underlay D2D communications on multiple channels," Proc. IEEE Int. Workshop Signal Process. Advances Wireless Commun. (Atlanta, USA), May 2020.
• D. Romero and G. Leus, "Non-cooperative aerial base station placement via stochastic optimization," Proc. IEEE Mobile Ad-hoc Sensor Netw. (Shenzhen, China), Dec. 2019. [ Code ] [ Video ]
• M. Elnourani, B. Beferull-Lozano, D. Romero, and S. Deshmukh, "Reliable underlay device-to-device communications on multiple channels," Proc. IEEE Int. Workshop Signal Process. Advances Wireless Commun. (Cannes, France), Jul. 2019.
• D. Ramírez, D. Romero, J. Vía, R. López-Valcarce, and I. Santamaría, "Locally optimal invariant detector for testing equality of two power spectral densities," Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (Calgary, Canada), 2018.
• M. Elnourani, M. Hamid, D. Romero, and B. Beferull-Lozano, "Underlay device-to-device communications on multiple channels," Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (Calgary, Canada), 2018.
• T. Weerasinghe, D. Romero, C. Asensio-Marco, and B. Beferull-Lozano, "Fast distributed subspace projection via graph filters," Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (Calgary, Canada), 2018.
• L. M. Lopez-Ramos, D. Romero, B. Zaman, and B. Beferull-Lozano, "Dynamic network identification from non-stationary vector auto-regressive time series," Proc. IEEE Global Conf. Signal Inf. Process. (Anaheim, CA), Nov. 2018.
• S. Mollaebrahim, C. Asensio-Marco, D. Romero, and B. Beferull-Lozano, "Decentralized subspace projection in large networks," Proc. IEEE Global Conf. Signal Inf. Process. (Anaheim, CA), Nov. 2018.
• Y. Teganya, L. M. Lopez-Ramos, D. Romero, and B. Beferull- Lozano, "Localization-free power cartography," Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (Calgary, Canada), Apr. 2018.
• D. D. Ariananda, D. Romero, and G. Leus, "Cooperative compressive power spectrum estimation in wireless fading channels," Int. Conf. Elect. Eng. Informat. (Banda Aceh, Indonesia), 2017.
• B. Zaman, L. M. López-Ramos, D. Romero, and B. Beferull-Lozano, "Online topology estimation for vector autoregressive processes in data networks," Proc. IEEE Int. Workshop Comput. Advan. Multi-Sensor Adapt. Process. (Curaçao, Dutch Antilles), Dec. 2017.
• R. López-Valcarce and D. Romero, "Defending surveillance sensor networks against data-injection attacks via trusted nodes," Proc. European Signal Process. Conf. (Kos, Greece), Aug. 2017.
• V. Ioannidis, D. Romero, and G. B. Giannakis, "Inference of spatiotemporal processes over graphs via kernel kriged Kalman filtering," Proc. European Signal Process. Conf. (Kos, Greece), Aug. 2017.
• D. Romero, D. Lee, and G. B. Giannakis, "Blind channel gain cartography," Proc. IEEE Global Conf. Signal Inf. Process. (Greater Washington, D. C.), Dec. 2016.
• V. N. Ioannidis, D. Romero, and G. B. Giannakis, "Kernel-based reconstruction of space-time functions via extended graphs," Proc. Asilomar Conf. Signal, Syst., Comput. Nov. 2016.
• R. López-Valcarce, D. Romero, J. Sala, and A. Pages-Zamora, "Distributed multivariate regression with unknown noise covariance in the presence of outliers: an MDL approach," Proc. IEEE Workshop Stat. Signal Process. (Palma de Mallorca, Spain), Jun. 2016.
• R. López-Valcarce and D. Romero, "Design of data-injection adversarial attacks against spatial field detectors," Proc. IEEE Workshop Stat. Signal Process. (Palma de Mallorca, Spain), Jun. 2016.
• L. Zhang, D. Romero, and G. B. Giannakis, "Fast convergent algorithms for multi-kernel regression," Proc. IEEE Workshop Stat. Signal Process. (Palma de Mallorca, Spain), Jun. 2016.
• D. Romero, M. Ma, and G. B. Giannakis, "Estimating signals over graphs via multi-kernel learning," Proc. IEEE Workshop Stat. Signal Process. (Palma de Mallorca, Spain), Jun. 2016.
• D. Romero, D. Berberidis, and G. B. Giannakis, "Quickest convergence of online algorithms via data selection," Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (Shanghai, China), Mar. 2016.
• D. Romero, S.-J. Kim, and G. B. Giannakis, "Stochastic semiparametric regression for spectrum cartography," Proc. IEEE Int. Workshop Comput. Advan. Multi-Sensor Adapt. Process. (Cancun, Mexico), Dec. 2015.
• R. López-Valcarce and D. Romero, "Attack detectors for data aggregation in clustered sensor networks," Proc. European Signal Process. Conf. (Nice, France), Aug. 2015.
• D. Romero, S.-J. Kim, R. López-Valcarce, and G. B. Giannakis, "Spectrum cartography using quantized observations," Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (Brisbane, Australia), Apr. 2015.
• D. Romero, S.-J. Kim, and G. B. Giannakis, "Online spectrum cartography via quantized measurements," Proc. Conf. Inf. Sci. Syst. (Baltimore, MD), Mar. 2015.
• J. F. Schmidt, D. Romero, and R. López-Valcarce, "Low-power active interference cancellation for OFDM spectrum sculpting," Proc. European Signal Process. Conf. (Lisbon, Portugal), 2014.
• D. D. Ariananda, D. Romero, and G. Leus, "Cooperative compressive power spectrum estimation," Proc. of IEEE Sensor Array Multichannel Signal Process. Workshop (A Corunha, Spain), Jun. 2014.
• D. Romero and R. López-Valcarce, "Nearly-optimal compression matrices for signal power estimation," Proc. IEEE Int. Workshop Signal Process. Advances Wireless Commun. (Toronto, Canada), Jun. 2014.
• D. D. Ariananda, D. Romero, and G. Leus, "Compressive angular and frequency periodogram reconstruction for multiband signals," Proc. IEEE Int. Workshop Comput. Advan. Multi-Sensor Adapt. Process. (San Martin, France), Dec. 2013.
• D. Romero and R. López-Valcarce, "Spectrum sensing in time-varying channels using multiple antennas," Proc. IEEE Int. Workshop Signal Process. Advances Wireless Commun. (Darmstadt, Germany), Jun. 2013.
• D. Romero, R. López-Valcarce, and G. Leus, "Compressive wideband spectrum sensing with spectral prior information," Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (Vancouver, Canada), May 2013.
• D. Romero and G. Leus, "Compressive covariance sampling," Proc. Inf. Theory Appl. Workshop (San Diego, CA), Feb. 2013.
• D. Romero, J. Vía, R. López-Valcarce, and I. Santamaría, "Detection of Gaussian signals in unknown time-varying channels," Proc. IEEE Workshop Stat. Signal Process. (Ann Arbor, MI), Aug. 2012.
• D. Romero and R. López-Valcarce, "Detection of unknown constant magnitude signals in time-varying channels," Proc. Cognitive Inf. Process. (Baiona, Spain), May 2012.
• D. Romero, R. López-Valcarce, and G. Leus, "Generalized matched filter detector for fast fading channels," Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (Kyoto, Japan), Mar. 2012.
• D. Romero and R. López-Valcarce, "Bandlimited or constant envelope? exploiting waveform properties in wireless microphone detection," Proc. IEEE Int. Workshop Comput. Advan. Multi-Sensor Adapt. Process. (San Juan, Puerto Rico), Dec. 2011.
• D. Romero and R. López-Valcarce, "Distributed spectrum sensing with multiantenna sensors under calibration errors," Proc. IEEE Int. Workshop Signal Process. Advances Wireless Commun. (San Francisco, CA), Jun. 2011.
• D. Romero and R. López-Valcarce, "Multiantenna detection of constant-envelope signals in noise of unknown variance," Proc. IEEE Int. Workshop Signal Process. Advances Wireless Commun. (San Francisco, CA), Jun. 2011.