Gutiérrez, J., et al. “Frequency-Domain Methodology for Measuring MIMO Channels Using a Generic Test Bed.”10.1109/TIM.2010.2082432__IEEE Trans. Instrum. Meas., vol. 60, no. 3, 2011, pp. 827–838, doi:10.1109/TIM.2010.2082432.

Ramírez, D., et al. “Experimental Validation of Interference Alignment Techniques Using a Multiuser MIMO Testbed.”10.1109/WSA.2011.5741921__Proc. Int. ITG Work. on Smart Antennas, 2011, doi:10.1109/WSA.2011.5741921.

Wahlberg, Patrik, and Peter J. Schreier. “Locally Stationary Harmonizable Complex Improper Stochastic Processes.”10.1111/j.1467-9892.2010.00682.x__J. Time Ser. Anal., vol. 32, no. 1, Blackwell Publishing Ltd, 2011, pp. 33–46, doi:10.1111/j.1467-9892.2010.00682.x.

Adali, Tülay, et al. “Complex-Valued Signal Processing: The Proper Way to Deal With Impropriety.”10.1109/TSP.2011.2162954__IEEE Trans. Signal Process., vol. 59, no. 11, 2011, pp. 5101–5125, doi:10.1109/TSP.2011.2162954.

Rüffer, B. S., and Fabian R. Wirth. “Stability Verification for Monotone Systems Using Homotopy Algorithms.”10.1007/s11075-011-9468-3__Numer. Algorithms, vol. 58, no. 4, 2011, pp. 529–543, doi:10.1007/s11075-011-9468-3.

Vazquez-Vilar, G., et al. “Recent Advances in Multiantenna Spectrum Sensing: Complexity, Noise Uncertainty, and Signal Rank Issues.” Int. Work. COST Action , 2011.

Ito, Hiroshi, et al. “A Small-Gain Theorem and Construction of Sum-Type Lyapunov Functions for Networks of IISS Systems.” Proc. IEEE American Contr. Conf., 2011, pp. 1971–1977.

Ramírez, D., et al. “Detection of Spatially Correlated Gaussian Time Series.”10.1109/TSP.2010.2053360__IEEE Trans. Signal Process., vol. 58, no. 10, 2010, pp. 5006–5015, doi:10.1109/TSP.2010.2053360.

Ramírez, D., et al. “Multiantenna Spectrum Sensing: The Case of Wideband Rank-One Primary Signals.”10.1109/SAM.2010.5606502__Proc. IEEE Sensor Array and Multichannel Signal Process. Work., 2010, doi:10.1109/SAM.2010.5606502.

Vía, J., et al. “Widely and Semi-Widely Linear Processing of Quaternion Vectors.”10.1109/ICASSP.2010.5495787__Proc. IEEE Int. Conf. Acoustics, Speech and Signal Process., 2010, doi:10.1109/ICASSP.2010.5495787.

Schreier, Peter J., and Louis L. Scharf. Statistical Signal Processing of Complex-Valued Data: The Theory of Improper and Noncircular Signals. Cambridge University Press, 2010.

Tong, Jun, and Li Ping. “Performance Analysis of Superposition Coded Modulation.”10.1016/j.phycom.2009.08.008__Physical Comm., vol. 3, no. 3, 2010, pp. 147–155, doi:10.1016/j.phycom.2009.08.008.

Wahlberg, Patrik, and Peter J. Schreier. “On Wiener Filtering of Certain Locally Stationary Stochastic Processes.”10.1016/j.sigpro.2009.09.013__Signal Process., vol. 90, no. 3, 2010, pp. 885–890, doi:10.1016/j.sigpro.2009.09.013.

Ramírez, D., et al. “Multiantenna Spectrum Sensing: Detection of Spatial Correlation Among Time-Series With Unknown Spectra.”10.1109/ICASSP.2010.5496151__Proc. IEEE Int. Conf. Acoustics, Speech and Signal Process., 2010, doi:10.1109/ICASSP.2010.5496151.

Vía, J., et al. “Properness and Widely Linear Processing of Quaternion Random Vectors.”10.1109/TIT.2010.2048440__IEEE Trans. Inform. Theory, vol. 56, no. 7, 2010, pp. 3502–3515, doi:10.1109/TIT.2010.2048440.

Tong, Jun, et al. “Iterative Soft Compensation for OFDM Systems with Clipping and Superposition Coded Modulation.”10.1109/TCOMM.2010.083110.09296__IEEE Trans. Comm., vol. 58, no. 10, 2010, pp. 2861–2870, doi:10.1109/TCOMM.2010.083110.09296.

Vía, J., et al. “Improperness Measures for Quaternion Random Vectors.”10.1109/MLSP.2010.5589225__Proc. IEEE Int. Work. Machine Learning for Signal Process., 2010, doi:10.1109/MLSP.2010.5589225.

Santamaría, Ignacio, et al. “Capacity Region of the Multiantenna Gaussian Broadcast Channel with Analog TX-RX Beamforming.” Proc. Int. ICST Conf. Comm. and Networking in China, 2010.

Schreier, Peter J., et al. “On ICA of Improper and Noncircular Sources.”10.1109/ICASSP.2009.4960395__Proc. IEEE Int. Conf. Acoustics, Speech and Signal Process., 2009, pp. 3561–3564, doi:10.1109/ICASSP.2009.4960395.

Wahlberg, Patrik, and Peter J. Schreier. “Gabor Discretization of the Weyl Product for Modulation Spaces and Filtering of Nonstationary Stochastic Processes.”10.1016/j.acha.2008.02.005__Appl. Comput. Harmon. Anal., vol. 26, no. 1, 2009, pp. 97–120, doi:10.1016/j.acha.2008.02.005.