All Stories

  1. Robust Energy-Efficient Analog Beamforming Under Short Packets and Per-Antenna Power Constraints

    Article • IEEE Transactions on Wireless Communications, September 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  2. Full-Duplex Techniques for Satellite Communications: Feasibility Analysis and Roadmap

    Article • IEEE Open Journal of the Communications Society, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  3. On the Solution to a Class of Multi-Functional Beamforming Problems

    Article • IEEE Wireless Communications Letters, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  4. Sidelobe Suppression for Multicarrier Signals via Structured Spectral Precoding

    Article • IEEE Transactions on Communications, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  5. Frequency-Selective Hybrid Beamforming For Mmwave Full-Duplex

    Article • June 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  6. Joint Precoder and Window Design for OFDM Sidelobe Suppression

    Article • IEEE Communications Letters, December 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  7. Full-Duplex mmWave MIMO With Finite-Resolution Phase Shifters

    Article • IEEE Transactions on Wireless Communications, November 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  8. Orthogonal precoding with memory for sidelobe suppression in OFDM

    Article • August 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  9. General Form of the Power Spectral Density of Multicarrier Signals

    Article • IEEE Communications Letters, August 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  10. Hybrid Beamforming Designs for Frequency-Selective mmWave MIMO Systems With Per-RF Chain or Per-Antenna Power Constraints

    Article • IEEE Transactions on Wireless Communications, August 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  11. Memory Tricks: Improving Active Interference Cancellation for Out-of-Band Power Reduction in OFDM

    Article • September 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  12. Analog Beamforming for Full-Duplex mmWave Communication with Low-Resolution Phase Shifters

    Article • June 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  13. Mask-Compliant Orthogonal Precoding for Spectrally Efficient OFDM

    Article • IEEE Transactions on Communications, March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  14. Full-Duplex mmWave Communication with Hybrid Precoding and Combining

    Article • January 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  15. Robustness analysis of beamforming based designs for mmWave Full-Duplex Amplify-and-Forward relays

    Article • December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  16. Energy-Efficient Analog Beamforming with Short Packets in Millimeter-Wave MIMO Systems

    Article • November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  17. Two-level frame precoding with non-cooperative gateways

    Article • EURASIP Journal on Wireless Communications and Networking, July 2020, Springer Science + Business Media

    Roberto Lopez-Valcarce

  18. Optimal Window Design for W-OFDM

    Article • May 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  19. Low-Rank Data Matrix Recovery With Missing Values And Faulty Sensors

    Article • September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  20. Ofdm Spectral Precoding With Per-Subcarrier Distortion Constraints

    Article • September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  21. Analog beamforming for Full-Duplex Millimeter Wave Communication

    Article • August 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  22. Beamformer design for Full-Duplex Amplify-and-Forward Millimeter Wave relays

    Article • August 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  23. Solving Self-Interference Issues in a Full-Duplex Radio Transceiver

    Article • August 2019, MDPI AG

    Roberto Lopez-Valcarce

  24. Flexible Spectral Precoding for Sidelobe Suppression in OFDM Systems

    Article • May 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  25. Frequency-selective Hybrid Precoding and Combining for Mmwave Mimo Systems with Per-antenna Power Constraints

    Article • May 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  26. Maximally stationary window design for overlap-add based random vibration synthesis

    Article • Mechanical Systems and Signal Processing, May 2019, Elsevier

    Roberto Lopez-Valcarce

  27. Partial-Duplex Amplify-and-Forward Relaying: Spectral Efficiency Analysis Under Self-Interference

    Article • IEEE Transactions on Wireless Communications, April 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  28. Expectation–maximisation based distributed estimation in sensor networks

    Article • March 2019, the Institution of Engineering and Technology (the IET)

    Roberto Lopez-Valcarce

  29. MMSE Filter Design for Full-duplex Filter-and-forward MIMO Relays under Limited Dynamic Range

    Article • Signal Processing, March 2019, Elsevier

    Roberto Lopez-Valcarce

  30. Testing Equality of Multiple Power Spectral Density Matrices

    Article • IEEE Transactions on Signal Processing, December 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  31. Distributed Precoding Systems in Multi-Gateway Multibeam Satellites: Regularization and Coarse Beamforming

    Article • IEEE Transactions on Wireless Communications, October 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  32. Distributed Precoding Systems in Multi-Gateway Multibeam Satellites

    Article • October 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Roberto Lopez-Valcarce

  33. Defending surveillance sensor networks against data-injection attacks via trusted nodes

    Article • August 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  34. FER Estimation in a Memoryless BSC With Variable Frame Length and Unreliable ACK/NAK Feedback

    Article • IEEE Transactions on Wireless Communications, June 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  35. Learning Power Spectrum Maps From Quantized Power Measurements

    Article • IEEE Transactions on Signal Processing, May 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  36. CDMA-based acoustic local positioning system for portable devices with multipath cancellation

    Article • Digital Signal Processing, March 2017, Elsevier

    Roberto Lopez-Valcarce

  37. Wideband full-duplex MIMO relays with blind adaptive self-interference cancellation

    Article • Signal Processing, January 2017, Elsevier

    Roberto Lopez-Valcarce

  38. Online EM-based distributed estimation in sensor networks with faulty nodes

    Article • August 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  39. Bandwidth allocation in partial duplex relaying

    Article • July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  40. Design of data-injection adversarial attacks against spatial field detectors

    Article • June 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  41. Attack detectors for data aggregation in clustered sensor networks

    Article • August 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  42. Multipath cancellation in broadband acoustic local positioning systems

    Article • May 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  43. Distributed tls estimation under random data faults

    Article • April 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  44. Spectrum cartography using quantized observations

    Article • April 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  45. A greedy topology design to accelerate consensus in broadcast wireless sensor networks

    Article • Information Processing Letters, March 2015, Elsevier

    Roberto Lopez-Valcarce

  46. Improving area coverage of wireless sensor networks via controllable mobile nodes: A greedy approach

    Article • Journal of Network and Computer Applications, February 2015, Elsevier

    Roberto Lopez-Valcarce

  47. Detecting misreporting attacks to the proportional fair scheduler

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Jorge F. Schmidt, Roberto Lopez-Valcarce

  48. Spectrum Sensing for Wireless Microphone Signals Using Multiple Antennas

    Article • IEEE Transactions on Vehicular Technology, November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  49. Active Interference Cancellation for OFDM Spectrum Sculpting: Linear Processing Is Optimal

    Article • IEEE Communications Letters, September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Jorge F. Schmidt, Roberto Lopez-Valcarce

  50. Antenna competition to boost Active Interference Cancellation in cognitive MIMO-OFDM

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Jorge F. Schmidt, Roberto Lopez-Valcarce

  51. Nearly-optimal compression matrices for signal power estimation

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  52. How to implement doubly-stochastic matrices for consensus-based distributed algorithms

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  53. SINR optimization in wideband full-duplex MIMO relays under limited dynamic range

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  54. OFDM spectrum sculpting with active interference cancellation: Keeping spectral spurs at bay

    Article • May 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Jorge F. Schmidt, Roberto Lopez-Valcarce

  55. Distributed Total Least Squares estimation over networks

    Article • May 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  56. Choose Your Subcarriers Wisely: Active Interference Cancellation for Cognitive OFDM

    Article • IEEE Journal on Emerging and Selected Topics in Circuits and Systems, December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Jorge F. Schmidt, Roberto Lopez-Valcarce

  57. Spectrum sensing in time-varying channels using multiple antennas

    Article • June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  58. A Diffusion-Based EM Algorithm for Distributed Estimation in Unreliable Sensor Networks

    Article • IEEE Signal Processing Letters, June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  59. Adaptive self-interference cancellation in wideband full-duplex decode-and-forward MIMO relays

    Article • June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  60. Compressive wideband spectrum sensing with spectral prior information

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  61. A diffusion-based distributed em algorithm for density estimation in wireless sensor networks

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  62. Autocorrelation-based adaptation rule for feedback equalization in wideband full-duplex amplify-and-forward MIMO relays

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  63. Cancelling self-interference in full-duplex relays without angle-of-arrival information

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  64. On the design of a novel two-objective harmony search approach for distance- and connectivity-based localization in wireless sensor networks

    Article • Engineering Applications of Artificial Intelligence, February 2013, Elsevier

    Roberto Lopez-Valcarce

  65. An Adaptive Feedback Canceller for Full-Duplex Relays Based on Spectrum Shaping

    Article • IEEE Journal on Selected Areas in Communications, September 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  66. A novel heuristic approach for distance- and connectivity-based multihop node localization in wireless sensor networks

    Article • Soft Computing, August 2012, Springer Science + Business Media

    Roberto Lopez-Valcarce

  67. Detection of Gaussian signals in unknown time-varying channels

    Article • August 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  68. A two-objective evolutionary approach based on topological constraints for node localization in wireless sensor networks

    Article • Applied Soft Computing, July 2012, Elsevier

    Roberto Lopez-Valcarce

  69. Adaptive self-interference suppression for full-duplex relays with multiple receive antennas

    Article • June 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  70. Multiantenna GLR Detection of Rank-One Signals With Known Power Spectrum in White Noise With Unknown Spatial Correlation

    Article • IEEE Transactions on Signal Processing, June 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  71. Detection of unknown constant magnitude signals in time-varying channels

    Article • May 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  72. Generalized matched filter detector for fast fading channels

    Article • March 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  73. Design of universal multicoset sampling patterns for compressed sensing of multiband sparse signals

    Article • March 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  74. Multiantenna Spectrum Sensing Exploiting Spectral a priori Information

    Article • IEEE Transactions on Wireless Communications, December 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  75. Spectrum Sensing Exploiting Guard Bands and Weak Channels

    Article • IEEE Transactions on Signal Processing, December 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  76. Bandlimited or constant envelope? Exploiting waveform properties in Wireless Microphone detection

    Article • December 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  77. A study on the application of different two-objective evolutionary algorithms to the node localization problem in wireless sensor networks

    Article • November 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  78. On the application of a hybrid Harmony Search algorithm to node localization in anchor-based Wireless Sensor Networks

    Article • November 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  79. Spatial rank estimation in cognitive radio networks with uncalibrated multiple antennas

    Article • October 2011, ACM (Association for Computing Machinery)

    Roberto Lopez-Valcarce

  80. An Effective Metaheuristic Approach to Node Localization in Wireless Sensor Networks

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  81. Solving the node localization problem in WSNs by a two-objective evolutionary algorithm and local descent

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  82. Detection of Rank-$P$ Signals in Cognitive Radio Networks With Uncalibrated Multiple Antennas

    Article • IEEE Transactions on Signal Processing, August 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  83. Distributed spectrum sensing with multiantenna sensors under calibration errors

    Article • June 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  84. Multiantenna detection of constant-envelope signals in noise of unknown variance

    Article • June 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  85. Detection diversity of multiantenna spectrum sensors

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  86. Multiantenna detection under noise uncertainty and primary user's spatial structure

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  87. Blind ℓ1-norm-based phase estimation for cross-QAM robust to finite precision effects

    Article • Signal Processing, November 2010, Elsevier

    Roberto Lopez-Valcarce

  88. Multicarrier equalization by subchannel SINR maximization

    Article • November 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  89. Frequency estimation of real-valued single-tone in colored noise using multiple autocorrelation lags

    Article • Signal Processing, July 2010, Elsevier

    Roberto Lopez-Valcarce

  90. Multiantenna spectrum sensing for Cognitive Radio: overcoming noise uncertainty

    Article • June 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  91. Closed-form real single-tone frequency estimator based on a normalized IIR notch filter

    Article • Signal Processing, June 2010, Elsevier

    Roberto Lopez-Valcarce

  92. Joint NDA Estimation of Carrier Frequency/Phase and SNR for Linearly Modulated Signals

    Article • IEEE Signal Processing Letters, May 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  93. A finite interval constant modulus criterion for multicarrier channel shortening

    Article • April 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  94. Multiantenna spectrum sensing: Detection of spatial correlation among time-series with unknown spectra

    Article • March 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  95. SNR Estimation for Multilevel Constellations Using Higher-Order Moments

    Article • IEEE Transactions on Signal Processing, March 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  96. Stepsize Sequence Design for Distributed Average Consensus

    Article • IEEE Signal Processing Letters, February 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  97. Blind channel shortening algorithm based on correlation property of multicarrier signals

    Article • November 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  98. Equivalent fullband implementation of subband subspace methods for frequency estimation

    Article • November 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  99. Cramer-Rao lower bound and EM algorithm for envelope-based SNR estimation of nonconstant modulus constellations

    Article • IEEE Transactions on Communications, June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  100. SNR Estimation with Heterogeneous Frames

    Article • August 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  101. Distributed estimation with noisy exchanges

    Article • July 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  102. Maximum Likelihood SNR estimation for asynchronously oversampled OFDM signals

    Article • July 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  103. ML and EM algorithm for non-data-aided SNR estimation of linearly modulated signals

    Article • July 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Zabih Ghassemlooy, Roberto Lopez-Valcarce

  104. Non-Data-Aided Symbol Rate Estimation of Linearly Modulated Signals

    Article • IEEE Transactions on Signal Processing, February 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  105. Iterative envelope-based SNR estimation for nonconstant modulus constellations

    Article • June 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  106. Sixth-Order Statistics-Based Non-Data-Aided SNR Estimation

    Article • IEEE Communications Letters, April 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  107. Blind Carrier Phase Estimation for Non-Equiprobable Constellations

    Article • July 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  108. Toward a Theory of Multirate Nonlinear Systems

    Article • July 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  109. Second-order blind algorithms for adaptive recursive linear equalizers: analysis and lattice implementation

    Article • International Journal of Adaptive Control and Signal Processing, January 2006, Wiley

    Roberto Lopez-Valcarce

  110. Realizable minimum mean-squared error channel shorteners

    Article • IEEE Transactions on Signal Processing, November 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  111. Blind Input, Initial State, and System Identification of SIMO Laguerre Systems

    Article • IEEE Transactions on Signal Processing, December 2004, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  112. Minimum Delay Spread TEQ Design in Multicarrier Systems

    Article • IEEE Signal Processing Letters, August 2004, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  113. Estimation of Road Vehicle Speed Using Two Omnidirectional Microphones: A Maximum Likelihood Approach

    Article • EURASIP Journal on Advances in Signal Processing, July 2004, Springer Science + Business Media

    Roberto Lopez-Valcarce

  114. Realizable Linear and Decision Feedback Equalizers: Properties and Connections

    Article • IEEE Transactions on Signal Processing, March 2004, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  115. Cost minimisation interpretation of fourth power phase estimator and links to multimodulus algorithm

    Article • Electronics Letters, February 2004, the Institution of Engineering and Technology (the IET)

    Roberto Lopez-Valcarce

  116. An algorithm for unit-norm equation error system identification based on the method of multipliers

    Article • IEEE Transactions on Signal Processing, December 2003, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  117. Second-order statistical properties of nonlinearly distorted phase-shift keyed (PSK) signals

    Article • IEEE Communications Letters, July 2003, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  118. Subband hyperstable adaptive iir filters

    Article • IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing, July 2003, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  119. Analysis of the prewhitened constant modulus cost function

    Article • May 2002, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  120. Blind equalization of nonlinear channels from second-order statistics

    Article • IEEE Transactions on Signal Processing, December 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  121. Efficient reinitialization of the prewhitened constant modulus algorithm

    Article • IEEE Communications Letters, December 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  122. Equalization and interference cancellation in linear multiuser systems based on second-order statistics

    Article • IEEE Transactions on Signal Processing, September 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  123. Adaptive lattice IIR filtering revisited: convergence issues and new algorithms with improved stability properties

    Article • IEEE Transactions on Signal Processing, April 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  124. Blind channel equalization with colored sources based on second-order statistics: a linear prediction approach

    Article • IEEE Transactions on Signal Processing, January 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  125. Some properties of the matrix exponential

    Article • IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing, January 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  126. Exponential asymptotic stability of time-varying inverse prediction error filters

    Article • IEEE Transactions on Signal Processing, July 2000, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  127. Some remarks on the lattice form of the Steiglitz-McBride iteration

    Article • IEEE Signal Processing Letters, November 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  128. Hyperstable adaptive IIR algorithms with polyphase structures: analysis and design

    Article • IEEE Transactions on Signal Processing, July 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  129. A new proof for the stability of equation-error models

    Article • IEEE Signal Processing Letters, June 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  130. Stable estimates in equation error identification: An open problem

    Article • January 1999, Springer Science + Business Media

    Roberto Lopez-Valcarce

  131. On the stability of equation-error estimates of all-pole systems

    Article • IEEE Signal Processing Letters, October 1998, Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  132. New schemes and theoretical analysis of the master-slave family of recursive identification algorithms

    Article • Signal Processing, April 1997, Elsevier

    Roberto Lopez-Valcarce

  133. Analysis of a first-order adaptive recursive predictor

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce

  134. Second order statistics based blind channel equalization with correlated sources

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Roberto Lopez-Valcarce