@article {952, title = {Partial-Duplex Amplify-and-Forward Relaying: Spectral Efficiency Analysis under Self-Interference}, journal = {IEEE Transactions on Wireless Communications}, volume = {18}, year = {2019}, month = {04/2019}, pages = { 2271-2285}, abstract = {
We propose a novel mode of operation for Amplify-and-
Forward relays in which the spectra of the relay input and
output signals partially overlap. This partial-duplex relaying mode
encompasses half- and full-duplex as particular cases. By viewing
the partial-duplex relay as a bandwidth-preserving Linear
Periodically Time-Varying system, a spectral efficiency analysis
under self-interference is developed. In contrast with previous
works, self-interference is regarded as a useful informationbearing
component rather than simply assimilated to noise. This
approach reveals that previous results regarding the impact of
self-interference on (full-duplex) relay performance are overly
pessimistic. Based on a frequency-domain interpretation of the
effect of self-interference, a number of suboptimal decoding
architectures at the destination node are also discussed. It is found
that the partial-duplex relaying mode may provide an attractive
tradeoff between spectral efficiency and receiver complexity.
}, keywords = {full-duplex, myrada, winter}, doi = {10.1109/TWC.2019.2902390}, author = {R. L{\'o}pez-Valcarce and C. Mosquera} } @conference {804, title = {Blind Satellite Inter-Gateway Interference Mitigation}, booktitle = {IEEE International Conference on Communications (ICC)}, year = {2015}, month = {2015}, keywords = {compass, satcom}, author = {J. Arnau and C. Mosquera} } @article {769, title = {Cram{\'e}r-Rao Bounds for SNR Estimation of Oversampled Linearly Modulated Signals}, journal = {IEEE Trans. Signal Processing}, volume = {63}, year = {2015}, month = {04/2015}, pages = {1675-1683}, chapter = {1675}, abstract = {
Most Signal-to-noise ratio (SNR) estimators use the
receiver matched filter output sampled at the symbol rate, an
approach which does not preserve all information in the analog
waveform due to aliasing. Thus, it is relevant to ask whether
avoiding aliasing could improve SNR estimation. To this end, we
compute the corresponding data-aided (DA) and non-data-aided
(NDA) Cram{\'e}r-Rao bounds (CRBs). We adopt a novel dual filter
framework, which is shown to be information-preserving under
suitable conditions and considerably simplifies the analysis. It is
shown that the CRB can be substantially reduced by exploiting
any available excess bandwidth, depending on the modulation
scheme, the SNR range, and the estimator (DA or NDA) type.
}, keywords = {adaptive signal processing, compass, Cram{\'e}r-Rao bound (CRB), dynacs, oversampling, Signal-to-noise ratio (SNR)}, doi = {10.1109/TSP.2015.2396013}, author = {R. L{\'o}pez-Valcarce and J. Villares and J. Riba and W. Gappmair and C. Mosquera} } @conference {806, title = {Frequency Reuse in Dual Satellite Settings: an Initial Evaluation of Full Duplex Operation}, booktitle = {IEEE International Conference on Communications (ICC)}, year = {2015}, keywords = {compass, full duplex, satcom}, author = {D. Marti{\~n}{\'a}n-Otero and C. Mosquera} } @inbook {805, title = {Multibeam Joint Detection}, booktitle = {Cooperative and Cognitive Satellite Systems}, year = {2015}, publisher = {Elsevier}, organization = {Elsevier}, keywords = {satcom}, author = {J. Arnau and R. de Lamare and C. Mosquera} } @article {744, title = {Performance of the Multibeam Satellite Return Link with Correlated Rain Attenuation}, journal = {IEEE Transactions on Wireless Communications}, year = {2014}, pages = {1-1}, abstract = {

Rain attenuation is among the major impairments for satellite systems operating in the K band and above. In this paper, we investigate the impact of spatially correlated rain attenuation on the performance of a multibeam satellite return link. For a comprehensive assessment, an analytical model for the antenna pattern that generates the beams is also proposed. We focus on the outage capacity of the link, and obtain analytical approximations at high and low SNR. The derived approximations provide insights on the effect of key system parameters {\textendash} like the inter-user distance, the satellite beam radius, or the rain intensity{\textendash} and simulation results show that it fits tightly to the Monte Carlo results. Additionally, the derived expressions can be easily particularized for the single-user case, providing some novel insights.

}, keywords = {Antennas, Approximation methods, Attenuation, Correlation, dynacs, Rain, satcom, Satellites, Signal to noise ratio}, doi = {10.1109/TWC.2014.2329682}, author = {Arnau, Jesus and Christopoulos, D. and Chatzinotas, S. and C. Mosquera and Ottersten, B.} } @conference {697, title = {Analytical Characterization of the Single Frequency Network Gain Using Effective SNR Metrics}, booktitle = {The Tenth International Symposium on Wireless Communication Systems 2013 (ISWCS 2013)}, year = {2013}, address = {Ilmenau, Germany}, abstract = {

The design of broadcasting networks operating in a single frequency way is challenging due to the difficulty of predicting the performance in a frequency selective channel, caused by natural multipath and echoes coming from different transmitters. In this paper we resort to the use of frame error rate prediction metrics (also known as effective SNR metrics) to characterize the performance gain (or loss) under different multipath and SNR regimes in a simplified scenario with two transmitters. The analysis shows clearly that receivers with a dominant line of sight reception and high SNR are more sensitive to the presence of echoes, while those users in low SNR or strong multipath conditions are easily enforced by the insertion of a second transmitter.

}, keywords = {broadcasting, dynacs, Effective SNR metrics, Single Frequency Network}, author = {Alberto Rico-Alvari{\~n}o and C. Mosquera} } @article {689, title = {MMSE Performance Analysis of Generalized Multibeam Satellite Channels}, journal = {Communications Letters, IEEE}, year = {2013}, pages = {1-4}, keywords = {dynacs, linear minimum mean square error receivers, multibeam satellites, Multiuser detection, return link, satcom}, doi = {10.1109/LCOMM.2013.052013.122658}, author = {Christopoulos, D. and J. Arnau and Chatzinotas, S. and C. Mosquera and Ottersten, B.} } @conference {698, title = {Statistical Cross Layer Adaptation in Fast Fading Mobile Satellite Channels}, booktitle = {Globecom 2013 - Symposium on Selected Areas in Communications (GC13 SAC)}, year = {2013}, address = {Atlanta, USA}, abstract = {

Link adaptation in mobile satellite channels is difficult because of the large propagation delays, the frequent signal blockage and the variation of the channel statistics. In this paper, we propose a cross-layer link adaptation strategy that exploits statistical, long-term CSI to increase the throughput when some retransmissions are available; this increase is obtained while meeting a target outage probability constraint. Our strategy takes as inputs the estimated packet error rates of the available modulation and coding schemes (MCS) and their rates; as an output, it returns the optimum sequence of MCS to be used. Results will also show that simple information acquisition strategies can still provide very good results.

}, keywords = {dynacs, fast fading channels, link adaptation, mobile satellite, satcom}, doi = {10.1109/GLOCOM.2013.6831502}, author = {Alberto Rico-Alvari{\~n}o and J. Arnau and C. Mosquera} } @article {651, title = {An Adaptive Feedback Canceller for Full-Duplex Relays Based on Spectrum Shaping}, journal = {IEEE J. Selected Areas in Communications}, volume = {30}, year = {2012}, month = {08/2012}, pages = {1566 - 1577}, abstract = {
Although full-duplex relaying schemes are appealing\ in order to improve spectral efficiency, simultaneous reception\ and transmission in the same frequency results in selfinterference,
distorting the retransmitted signal and making\ the relay prone to oscillation. Current feedback cancellation\ techniques by means of adaptive filters are hampered by the fact\ that the useful and interference signals are highly correlated. We\ present a new adaptive algorithm which effectively and blindly
restores the spectral shape of the desired signal. In contrast
with previous schemes, the novel adaptive feedback canceller has\ low complexity, does not introduce additional delay in the relay\ station, and partly compensates for multipath propagation.
}, keywords = {adaptive signal processing, dynacs, full duplex}, doi = {10.1109/JSAC.2012.120923}, author = {R. L{\'o}pez-Valcarce and Emilio Antonio-Rodr{\'\i}guez and C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {641, title = {Adaptive Transmission Techniques for Mobile Satellite Links}, booktitle = {30th AIAA International Communications Satellite Systems Conference (ICSSC)}, year = {2012}, address = {Ottawa, Canada}, keywords = {dynacs, satcom}, author = {Arnau, Jesus and Alberto Rico-Alvari{\~n}o and C. Mosquera} } @conference {638, title = {On the Effect of Echoes in Hybrid Terrestrial-Satellite Single Frequency Networks: Analysis and Countermeasures}, booktitle = {2012 6th Advanced Satellite Multimedia Systems Conference (ASMS) and 12th Signal Processing for Space Communications Workshop (SPSC) (ASMS/SPSC 2012)}, year = {2012}, address = {Baiona, Spain}, abstract = {

Hybrid Terrestrial Satellite Single Frequency Networks achieve large spectral efficiencies due to a higher frequency reuse, which is attained by transmitting the same waveform in the same frequency band from satellite and terrestrial transmitters. However, the presence of multiple transmitters propitiates the existence of the so-called SFN echoes, which can degrade the system performance even if they arrive within the OFDM guard interval. In this paper we characterize this effect by resorting to PER prediction metrics (or effective SNR metrics), and analyze two simple preprocessing schemes that mitigate this degradation: the use of Alamouti space-time codes, and a convenient prefiltering at the terrestrial transmitter.

}, keywords = {dynacs, Effective SNR, Hybrid Terrestrial- Satellite, satcom, Satellite OFDM, Single Frequency Network, Space-Time Coding}, doi = {10.1109/ASMS-SPSC.2012.6333071}, author = {Alberto Rico-Alvari{\~n}o and C. Mosquera} } @conference {642, title = {Multiuser Detection Performance in Multibeam Satellite Links under Imperfect CSI}, booktitle = {ASILOMAR 2012}, year = {2012}, address = {Pacific Grove, CA}, keywords = {dynacs, satcom}, doi = {10.1109/ACSSC.2012.6489048}, author = {Arnau, Jesus and C. Mosquera} } @conference {639, title = {Optimum Training for CSI Acquisition in Cognitive Radio Channels}, booktitle = {Asilomar Conference on Signals, Systems, and Computers}, year = {2012}, address = {Pacific Grove, CA}, keywords = {adaptive signal processing, cognitive radio, dynacs}, doi = {10.1109/ACSSC.2012.6488973}, author = {Alberto Rico-Alvari{\~n}o and C. Mosquera} } @article {645, title = {Overlay Cognitive Transmission in a Multicarrier Broadcast Network with Dominant Line of Sight Reception}, journal = {IEEE Transactions on Wireless Communications}, year = {2012}, keywords = {cognitive radio, dynacs, satcom}, doi = {10.1109/TWC.2012.092112.120257}, author = {Alberto Rico-Alvari{\~n}o and C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {633, title = {Overlay cognitive transmission in OFDM point to point systems exploiting primary feedback}, booktitle = {3rd International Workshop on Cognitive Information Processing (CIP) }, year = {2012}, month = {05/2012}, address = {Baiona, Galicia, Spain}, abstract = {

A secondary user that tries to reuse the spectrum allocated to a primary user can exploit the knowledge of the primary message to perform this task. In particular, the overlay\  cognitive radio paradigm postulates the use of a fraction of the available power at the secondary transmitter to convey the primary message, so the spectral efficiency of the primary\  system is increased, and, therefore, some transmission resources (time slots or frequency bands) can be released to the secondary transmission while the primary user rate is kept constant. The fraction of released resources can be incremented if some channel state information is available at the secondary transmitter. In this paper, we present a scenario where the secondary transmitter maximizes the primary link quality (measured in terms of Effective SNR), and obtains its channel state information by exploiting the primary user SNR-based feedback.

}, keywords = {cognitive radio, dynacs}, doi = {10.1109/CIP.2012.6232932}, author = {Alberto Rico-Alvari{\~n}o and C. Mosquera} } @proceedings {644, title = {Overlay Spectrum Reuse in a Broadcast Network: Covering the Whole Grayscale of Spaces}, journal = {IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN 2012)}, year = {2012}, address = {Bellevue, WA}, keywords = {cognitive radio, dynacs}, doi = {10.1109/DYSPAN.2012.6478172}, author = {Alberto Rico-Alvari{\~n}o and C. Mosquera} } @conference {634, title = {Overlay Spectrum Reuse in a Multicarrier Broadcast Network: Coverage Analysis}, booktitle = {The 13th IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2012)}, year = {2012}, address = {Cesme, Turkey}, abstract = {

A secondary cognitive user overlaying its message in a broadcast multicarrier network is studied. The secondary user exploits the primary message knowledge to convey its own information while preserving the primary user coverage area, determined by a bound on the BER, and taking into account the degradation due to the insertion of an echo in a dominant line of sight environment. The results are compared with those obtained when the coverage area is defined in capacity terms, and regardless of the degradation caused by the secondary replica of the primary message.

}, keywords = {cognitive radio, dynacs}, doi = {10.1109/SPAWC.2012.6292889}, author = {Alberto Rico-Alvari{\~n}o and C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {635, title = {Overlay Spectrum Reuse in a Multicarrier Broadcast Network: Single Receiver Analysis}, booktitle = {The 13th IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2012)}, year = {2012}, address = {Cesme, Turkey}, abstract = {

The overlay cognitive radio paradigm presents a framework where a secondary user exploits the knowledge of the primary user{\textquoteright}s message to improve spectrum utilization. A multicarrier broadcast network is one of the scenarios where this knowledge is possible: the secondary user could join a single frequency network and, therefore, gain access to the primary message. However, if the primary signal is received with a strong line of sight component, its relaying from the secondary transmitter does not suffice to ensure the primary user quality of service. In this paper we study the scenario where a secondary transmitter maximizes its own transmission rate, keeping the quality of a primary receiver over a given threshold. The analytical results, based on bit error rate bounds, are verified by means of software simulations and hardware tests.

}, keywords = {cognitive radio, dynacs}, doi = {10.1109/SPAWC.2012.6292890}, author = {Alberto Rico-Alvari{\~n}o and C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {640, title = {Performance Analysis of Multiuser Detection for Multibeam Satellites Under Rain Fading}, booktitle = {2012 6th Advanced Satellite Multimedia Systems Conference (ASMS) and 12th Signal Processing for Space Communications Workshop (SPSC) (ASMS/SPSC 2012)}, year = {2012}, address = {Baiona, Spain}, abstract = {

Multibeam satellite systems are nowadays widely employed, and their use is expected to grow in the next decades. This has raised the interest for signal processing techniques able to mitigate the interference among beams, since they could enable a much more aggressive spectrum reuse. From an engineering point of view, the design of the system must be no longer based on the capabilities provided by the usual physical layer; it should take into account the presence of these interference canceling techniques, predict their performance as accurately as possible -even under a number of impairments and non-idealities- and design accordingly in order to fully exploit them. In this paper, we investigate the effect of a practical impairment of great importance, namely, the attenuation due to the rain, on the performance of a return link which performs MMSE interference canceling. Analytical expressions are derived for a number of performance measures based on the statistical characterization of the rain attenuation.

}, keywords = {dynacs, hybrid beamforming, multibeam satellites., Multiuser detection, rain fading, satcom}, doi = {10.1109/ASMS-SPSC.2012.6333078}, author = {Arnau, Jesus and C. Mosquera} } @article {636, title = {Performance study of multiuser interference mitigation schemes for hybrid broadband multibeam satellite architectures}, journal = {EURASIP Journal on Wireless Communications and Networking}, volume = {2012}, year = {2012}, pages = {132}, issn = {1687-1499}, doi = {10.1186/1687-1499-2012-132}, url = {http://jwcn.eurasipjournals.com/content/2012/1/132}, author = {Arnau, Jesus and Bertrand Devillers and C. Mosquera and Ana P{\'e}rez-Neira} } @conference {Rico2011, title = {On the Co-existence of Primary and Secondary Transmitters in a Broadcast Network}, booktitle = {International Conference on Cognitive Radio and Advanced Spectrum Management}, year = {2011}, address = {Barcelona, Catalonia, Spain}, keywords = {Broadcast, cognitive radio, Overlay, Single Frequency Network}, author = {Alberto Rico-Alvari{\~n}o and C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {Arna1112:Hybrid, title = {Hybrid Space-Ground Processing for High-Capacity Multi-beam Satellite Systems}, booktitle = {IEEE GLOBECOM}, year = {2011}, note = {Selected Areas in Communications Symposium - Satellite \& Space Communications Track (GC{\textquoteright}11 - SAC - SSC)}, month = {dec}, address = {Houston, Texas, USA}, author = {Arnau, Jesus and Michael Bergmann and Enzo Alberto Candreva and Giovanni Emanuele Corazza and Riccardo {De Gaudenzi} and Bertrand Devillers and Wilfried Gappmair and Francesco Lombardo and C. Mosquera and Ana P{\'e}rez-Neira and Ilaria Thibault and Alessandro Vanelli-Coralli} } @conference {Devi1112:Joint, title = {Joint Linear Precoding and Beamforming for the Forward Link of Multi-Beam Broadband Satellite Systems}, booktitle = {IEEE GLOBECOM}, year = {2011}, note = {Selected Areas in Communications Symposium - Satellite \& Space Communications Track (GC{\textquoteright}11 - SAC - SSC)}, address = {Houston, Texas, USA}, author = {Bertrand Devillers and Ana Isabel Perez and C. Mosquera} } @article {JayaweeraVazquezMosquera2010, title = {Dynamic spectrum leasing (DSL): A new paradigm for spectrum sharing in cognitive radio networks}, journal = {IEEE Transactions on Vehicular Technology}, volume = {59}, number = {5}, year = {2010}, pages = {2328-2339}, keywords = {cognitive radio, DSL, dynamic spectrum access, dynamic spectrum leasing, dynamic spectrum sharing, game theory, power control}, author = {Sudhaman K. Jayaweera and Gonzalo V{\'a}zquez-Vilar and C. Mosquera} } @conference {ElHowayekJayaweeraHakimVazquezMosquera2010, title = {Dynamic Spectrum Leasing (DSL) in Dynamic Channels}, booktitle = {ICC Workshop on Cognitive Radio Interfaces and Signal Processing (ICC CRISP)}, year = {2010}, month = {May 23}, address = {Cape Town, South Africa}, keywords = {cognitive radio, DSL, dynamic spectrum leasing, game theory, Rayleigh fading, time-varying channels, time-varying secondary system}, author = {Georges El-Howayek and Sudhaman K. Jayaweera and Kamrul Hakim and Gonzalo V{\'a}zquez-Vilar and C. Mosquera} } @article {HakimJayaweeraHowayekMosqueraTWC2010, title = {Efficient Dynamic Spectrum Sharing in Cognitive Radio Networks: Centralized Dynamic Spectrum Leasing (C-DSL)}, journal = {IEEE Transactions on Wireless Communications}, volume = {9}, number = {9}, year = {2010}, pages = {2956-2967}, author = {Kamrul Hakim and Sudhaman K. Jayaweera and Georges El-Howayek and C. Mosquera} } @article {MosqueraValcarceJayaweera2010, title = {Joint NDA Estimation of Carrier Frequency/Phase and SNR for Linearly Modulated Signals}, journal = {IEEE Signal Processing Letters}, volume = {17}, number = {5}, year = {2010}, month = {05/2010}, pages = {517-520}, keywords = {Carrier offset estimation, Cramer-Rao lower bound, expectation-maximization algorithm, SNR estimation}, author = {Wilfried Gappmair and R. L{\'o}pez-Valcarce and C. Mosquera} } @conference {PaperASMS2010, title = {Performance Analysis of Distributed Tracking with Consensus on Noisy Time-Varying Graphs}, booktitle = {Advanced Satellite Multimedia Systems Conference (ASMA)}, year = {2010}, pages = {395-400}, address = {Cagliari, Italy}, keywords = {connectivity graph, distributed local Kalman filtering, distributed tracking, distributed tracking with consensus, graph topology, network theory (graphs), noisy communications links, noisy time-varying graphs, performance analysis, telecommunication links, telecommunication network topology, time-varying network topology, time-varying systems}, author = {Yongxiang Ruan and Sudhaman K. Jayaweera and C. Mosquera} } @article {GonzaloCarlosSudharman2010, title = {Primary User Enters the Game: Performance of Dynamic Spectrum Leasing in Cognitive Radio Networks}, journal = {IEEE Transactions on Wireless Communications}, year = {2010}, author = {Gonzalo V{\'a}zquez-Vilar and C. Mosquera and Sudhaman K. Jayaweera} } @conference {dalgaard-icip10, title = {On the Role of Differentiation for Resampling Detection}, booktitle = {IEEE International Conference on Image Processing (ICIP)}, year = {2010}, month = {September}, publisher = {IEEE}, organization = {IEEE}, address = {Hong Kong, China}, keywords = {cyclostationarity, Image forensics, interpolation, prefiltering, resampling detection, watermarking}, author = {Nahuel Dalgaard and C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @article {Alvarez-Diaz-TSP-10, title = {SNR Estimation for Multilevel Constellations Using Higher-Order Moments}, journal = {IEEE Transactions on Signal Processing}, volume = {58}, number = {3, Part 2}, year = {2010}, month = {March}, pages = {1515{\textendash}1526}, keywords = {Blind estimation, higher-order statistics, Moments-based estimation, SNR estimation}, author = {Marcos {\'A}lvarez-D{\'\i}az and R. L{\'o}pez-Valcarce and C. Mosquera} } @article {MosqueraValcarceJayaweera2009, title = {Stepsize Sequence Design for Distributed Average Consensus}, journal = {IEEE Signal Processing Letters}, volume = {17}, number = {2}, year = {2010}, month = {Feb}, pages = {169-172}, author = {C. Mosquera and R. L{\'o}pez-Valcarce and Sudhaman K. Jayaweera} } @conference {dvazquez-icip10, title = {Two-dimensional Statistical Test for the Presence of Almost Cyclostationarity on Images}, booktitle = {IEEE International Conference on Image Processing (ICIP)}, year = {2010}, month = {09/2010}, pages = {1745-1748}, publisher = {IEEE}, organization = {IEEE}, address = {Hong Kong, China}, abstract = {

In this work, we study the presence of almost cyclostationary fields in images for the detection and estimation of digital forgeries. The almost periodically correlated fields in the two-dimensional space are introduced by the necessary interpolation operation associated with the applied spatial transformation. In this theoretical context, we extend a statistical time-domain test for presence of cyclostationarity to the two-dimensional space. The proposed method allows us to estimate the scaling factor and the rotation angle of resized and rotated images, respectively. Examples of the output of our method are shown and comparative results are presented to evaluate the performance of the two-dimensional extension.

}, keywords = {cyclostationarity, Image forensics, interpolation, resampling factor estimation, spatial transformation, watermarking}, doi = {10.1109/ICIP.2010.5652513}, author = {David V{\'a}zquez-Pad{\'\i}n and C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {VazquezValcarceMosqueraPrelcic2010, title = {Wideband Spectral Estimation from Compressed Measurements Exploiting Spectral a priori Information in Cognitive Radio Systems}, booktitle = {IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)}, year = {2010}, month = {March 14-19}, address = {Dallas, U.S.A.}, keywords = {cognitive radio, compressive sampling, Spectral estimation}, author = {Gonzalo V{\'a}zquez-Vilar and R. L{\'o}pez-Valcarce and C. Mosquera and Nuria Gonz{\'a}lez-Prelcic} } @article {ValcarceMosqueraTCOM08, title = {Cramer-Rao Lower Bound and EM Algorithm for Envelope-Based SNR Estimation of Nonconstant Modulus Constellations}, journal = {IEEE Transactions on Communications}, volume = {57}, number = {6}, year = {2009}, month = {june}, pages = {1622 - 1627}, author = {Wilfried Gappmair and R. L{\'o}pez-Valcarce and C. Mosquera} } @conference {JayaweeraMosqueraAsilomar2009, title = {A Dynamic Spectrum Leasing (DSL) Framework for Spectrum Sharing in Cognitive Radio Networks}, booktitle = {Asilomar Conference on Signals, Systems and Computers}, year = {2009}, author = {Sudhaman K. Jayaweera and C. Mosquera} } @conference {paperBroadbandWorkshop2009, title = {A Unified Framework for Dynamic Spectrum Leasing (DSL) in Cognitive Radios}, booktitle = {IEEE Broadband Wireless Access Workshop}, year = {2009}, note = {colocated with Globecom}, author = {Sudhaman K. Jayaweera and Kamrul Hakim and C. Mosquera} } @conference {Mosquera08a, title = {Distributed Estimation: Do Not Trust Gossips}, booktitle = {Sensor, Signal and Information Processing (SenSIP) Workshop}, year = {2008}, address = {Sedona (Arizona)}, keywords = {distributed estimation, sensor network}, author = {C. Mosquera and Sudhaman K. Jayaweera} } @conference {Mosquera08c, title = {Distributed Estimation with Noisy Exchanges}, booktitle = {IEEE International Workshop on Signal Processing Advances in Wireless Communications}, year = {2008}, address = {Recife, Brazil}, keywords = {distributed estimation, sensor network}, author = {C. Mosquera and R. L{\'o}pez-Valcarce and Sudhaman K. Jayaweera} } @article {MosqueraSPL08, title = {Distributed Sequential Estimation with Noisy, Correlated Observations}, journal = {IEEE Signal Processing Letters}, volume = {15}, year = {2008}, author = {Sudhaman K. Jayaweera and C. Mosquera} } @conference {Mosquera08b, title = {Entangled Kalman Filters for Cooperative Estimation}, booktitle = {IEEE Sensor Array and Multichannel Signal Processing Workshop}, year = {2008}, address = {Darmstadt (Germany)}, keywords = {distributed estimation, sensor network}, author = {C. Mosquera and Sudhaman K. Jayaweera} } @conference {ValcarceMosquera08a, title = {Maximum Likelihood SNR Estimation for Asynchronously Oversampled OFDM Signals}, booktitle = {IEEE International Workshop on Signal Processing Advances in Wireless Communications}, year = {2008}, address = {Recife, Brazil}, keywords = {estimation, ML, OFDM, SNR}, author = {R. L{\'o}pez-Valcarce and C. Mosquera} } @conference {GappmairCNSDSP08, title = {ML and EM Algorithm for non-data-aided SNR Estimation of Linearly Modulated Signals}, booktitle = {International Symposium on Communication Systems, Networks and Signal Processing (CNSDSP)}, year = {2008}, pages = {530-534}, keywords = {EM, ML, SNR estimation}, author = {Wilfried Gappmair and R. L{\'o}pez-Valcarce and C. Mosquera} } @article {MosqueraTSP07, title = {Non-Data-Aided Symbol Rate Estimation of Linearly Modulated Signals}, journal = {IEEE Transactions on Signal Processing}, year = {2008}, month = {February}, author = {C. Mosquera and Sandro Scalise and R. L{\'o}pez-Valcarce} } @article {PerezMosqueraTIFS08, title = {Quantization-Based Data-Hiding Robust to Linear Time-Invariant Filtering}, journal = {IEEE Transactions on Information Forensics and Security}, volume = {3}, number = {2}, year = {2008}, month = {June}, pages = {137-152}, keywords = {data-hiding, watermarking}, author = {Fernando P{\'e}rez-Gonz{\'a}lez and C. Mosquera} } @conference {ASMS08, title = {SNR Estimation with Heterogeneous Frames}, booktitle = {Advanced Satellite Mobile Systems Conference}, year = {2008}, month = {August 26-28}, address = {Bologna, Italy}, author = {Marcos {\'A}lvarez-D{\'\i}az and R. L{\'o}pez-Valcarce and C. Mosquera} } @book {Artes07book, title = {Comunicaciones Digitales}, year = {2007}, month = {May}, publisher = {Pearson - Prentice Hall}, organization = {Pearson - Prentice Hall}, author = {Antonio Art{\'e}s-Rodr{\'\i}guez and Fernando P{\'e}rez-Gonz{\'a}lez and Jes{\'u}s Cid-Sueiro and R. L{\'o}pez-Valcarce and C. Mosquera and Fernando P{\'e}rez-Cruz} } @inbook {Mosquera07sat, title = {Digital Satellite Communications}, year = {2007}, publisher = {Springer}, organization = {Springer}, chapter = {Parameter Estimation and Synchronization}, author = {C. Mosquera and M. L. Boucheret and M. Bousquet and S. Cioni and Wilfried Gappmair and R. Pedone and Sandro Scalise and P. Skoutaridis and M. Villanti} } @inbook {Pedone07sat, title = {Digital Satellite Communications}, year = {2007}, publisher = {Springer}, organization = {Springer}, chapter = {Theoretical Background}, author = {R. Pedone and G. Albertazzi and P.T. Mathiopoulos and C. Mosquera and N. Sagias and M. Villanti} } @conference {ValcarceSPAWC07, title = {Iterative Envelope-Based SNR Estimation for Non-Constant Modulus Constellations}, booktitle = {IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC)}, year = {2007}, keywords = {EM, SNR, synchronization}, author = {R. L{\'o}pez-Valcarce and C. Mosquera and Wilfried Gappmair} } @conference {IWSSC07, title = {Non-Linear Interference Mitigation for Broadband Multimedia Satellite Systems}, booktitle = {International Workshop on Satellite and Space Communications (IWSSC)}, year = {2007}, month = {September 13-14}, address = {Salzburg, Austria}, author = {Marcos {\'A}lvarez-D{\'\i}az and Nicolas Courville and C. Mosquera and Gianluigi Liva and Giovanni Emanuele Corazza} } @conference {MosqueraIWSSC07, title = {Satellite Communications: Research Trends and Open Issues}, booktitle = {International Workshop on Satellite and Space Communications (IWSSC)}, year = {2007}, keywords = {satellite communications}, author = {Alessandro Vanelli-Coralli and Giovanni Emanuele Corazza and G.K. Karagiannidis and P.T. Mathiopoulos and D.S. Michalopoulos and C. Mosquera and S. Papaharalabos and Sandro Scalise} } @article {ValcarceCL07, title = {Sixth-Order Statistics-Based Non-Data-Aided SNR Estimation}, journal = {IEEE Communications Letters}, volume = {11}, number = {4}, year = {2007}, month = {April}, pages = {351-353}, author = {R. L{\'o}pez-Valcarce and C. Mosquera} } @conference {uvigo:gaussphase, title = {Blind carrier phase estimation for non-equiprobable constellations}, booktitle = {IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC)}, year = {2006}, address = {Cannes, France}, keywords = {Digital Communications, phase estimation, signal shaping, synchronization, Tomlinson-Harashima precoding}, author = {R. L{\'o}pez-Valcarce and C. Mosquera} } @conference {spie05:dftrdm, title = {High-rate quantization data hiding robust to arbitrary linear filtering attacks}, booktitle = {Security, Steganography, and Watermarking of Multimedia Contents}, series = {Proc. of SPIE}, volume = {5306}, year = {2006}, month = {January}, pages = {592-601}, publisher = {SPIE}, organization = {SPIE}, address = {San Jose, California, USA}, keywords = {data-hiding, watermarking}, author = {Fernando P{\'e}rez-Gonz{\'a}lez and C. Mosquera and Marcos {\'A}lvarez-D{\'\i}az and Reginald Lagendijk}, editor = {Edward J. Delp and Ping W. Wong} } @article {abrardo06, title = {Improving the performance of RDM watermarking by means of trellis coded quantisation}, journal = {IEE Proceedings on Information Security}, volume = {153}, number = {3}, year = {2006}, month = {September}, pages = {107-114}, keywords = {data-hiding, watermarking}, author = {Andrea Abrardo and Mauro Barni and Fernando P{\'e}rez-Gonz{\'a}lez and C. Mosquera} } @conference {Mosquera06, title = {Symbol-Rate Estimation for DVB-S2 Broadcasting}, booktitle = {International Workshop on Signal Processing for Space Communications (SPSC)}, year = {2006}, keywords = {DVB, symbol rate, synchronization}, author = {C. Mosquera and Sandro Scalise and R. L{\'o}pez-Valcarce} } @conference {Alvarez06, title = {Trellis Shaping Techniques for Satellite Telecommunication Systems}, booktitle = {International Workshop on Satellite and Space Communications (IWSSC)}, year = {2006}, month = {September}, address = {Legan{\'e}s, Spain}, keywords = {Digital Communications, precoding, satellite communications}, author = {Marcos {\'A}lvarez-D{\'\i}az and Neri, Massimo and C. Mosquera and Giovanni Emanuele Corazza} } @conference {spie05:rdm, title = {Ensuring Gain Invariance in High-Rate Data-Hiding}, booktitle = {Security, Steganography, and Watermarking of Multimedia Contents}, series = {Proc. of SPIE}, volume = {5306}, year = {2005}, month = {January}, pages = {592-601}, publisher = {SPIE}, organization = {SPIE}, address = {San Jose, California, USA}, keywords = {data-hiding, watermarking}, author = {Fernando P{\'e}rez-Gonz{\'a}lez and C. Mosquera and Mauro Barni and Andrea Abrardo}, editor = {Edward J. Delp and Ping W. Wong} } @article {uvigo:tsp-rdm, title = {Rational Dither Modulation: a high-rate data-hiding method robust to gain attacks}, journal = {IEEE Transactions on Signal Processing}, volume = {53}, number = {10}, year = {2005}, note = {Third supplement on secure media}, month = {October}, pages = {3960-3975}, keywords = {data-hiding, watermarking}, author = {Fernando P{\'e}rez-Gonz{\'a}lez and C. Mosquera and Mauro Barni and Andrea Abrardo} } @conference {uvigo:bias, title = {Bias analysis and removal of a microphone array based road traffic speed estimator}, booktitle = {European Signal Processing Conference (EUSIPCO)}, year = {2004}, address = {Vienna, Austria}, keywords = {microphone arrays, speed estimation, traffic monitoring}, author = {R. L{\'o}pez-Valcarce and D. Hurtado and C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @article {uvigo:speedestjnl, title = {Estimation of road vehicle speed using two omnidirectional microphones: a maximum likelihood approach}, journal = {EURASIP Journal of Applied Signal Processing}, volume = {2004}, number = {8}, year = {2004}, month = {August}, pages = {1059{\textendash}1077}, keywords = {microphone arrays, speed estimation, traffic monitoring}, author = {R. L{\'o}pez-Valcarce and C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {Mosquera04a, title = {POLI-MAS: Power-Line Multichannel Audio System}, booktitle = {International Symposium on Power Line Communications and Its Applications (ISPLC)}, year = {2004}, keywords = {audio, multichannel, PLC}, author = {Fernando J. Mato-M{\'e}ndez and C. Mosquera} } @conference {mmsp04:rdm, title = {Rational Dither Modulation: a novel data-hiding method robust to value-metric attacks}, booktitle = {IEEE International Workshop on Multimedia Signal Processing}, year = {2004}, month = {29 Sept - 1 Oct}, pages = {139-142}, address = {Siena, Italy}, keywords = {data-hiding, watermarking}, author = {Fernando P{\'e}rez-Gonz{\'a}lez and Mauro Barni and Andrea Abrardo and C. Mosquera} } @conference {Mosquera03c, title = {Feedback Timing Synchronization for IF-Sampled Systems}, booktitle = {International Workshop on Signal Processing for Space Communications (SPSC)}, year = {2003}, keywords = {PLC}, author = {C. Mosquera and M. Cacheda} } @conference {Mosquera03b, title = {Indoor Image Acquisition and Distribution System}, booktitle = {International Symposium on Power Line Communications and Its Applications (ISPLC)}, year = {2003}, keywords = {PLC}, author = {D. Fondo and M. Cacheda and C. Mosquera} } @conference {Mosquera03a, title = {A low complexity all-digital DS-SS transceiver for power-line communications}, booktitle = {International Symposium on Power Line Communications and Its Applications (ISPLC)}, year = {2003}, keywords = {DS-SS, modem, PLC}, author = {M. Ferreiro and M. Cacheda and C. Mosquera} } @conference {uvigo:speedest, title = {Road vehicle speed estimation from a two-microphone array}, booktitle = {IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)}, volume = {2}, year = {2002}, pages = {1321{\textendash}1324}, address = {Orlando, FL, USA}, keywords = {microphone arrays, speed estimation, traffic monitoring}, author = {Fernando P{\'e}rez-Gonz{\'a}lez and R. L{\'o}pez-Valcarce and C. Mosquera} } @conference {Mosquera02, title = {Spectral characterization of feedback linear periodically time-varying systems}, booktitle = {IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)}, year = {2002}, keywords = {burst, inversion, LPTV, PLL}, author = {C. Mosquera and Sandro Scalise and G. Taricco} } @article {Mosquera01c, title = {Adaptive IIR Filters for Active Noise Control}, journal = {International Journal of Acoustics and Vibration}, volume = {6}, year = {2001}, pages = {3-10}, keywords = {ANC, IIR, SPR}, author = {C. Mosquera and J.A. G{\'o}mez and Fernando P{\'e}rez-Gonz{\'a}lez and M. Sobreira and E. Alexandre} } @article {Mosquera01b, title = {Algebraic solution to the robust SPR problem for two polynomials}, journal = {Automatica}, volume = {37}, year = {2001}, month = {may}, keywords = {robust, SPR}, author = {C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {Prelcic01a, title = {A Channel Model for the Galician Low Voltage Main Network}, booktitle = {International Symposium on Power Line Communications and Its Applications (ISPLC)}, year = {2001}, month = {April}, address = {Malmo, Sweden}, author = {Nuria Gonz{\'a}lez-Prelcic and C. Mosquera and Norberto Degara-Quintela and A. Currais} } @article {Mosquera01a, title = {On the strengthened robust SPR problem for discrete-time systems}, journal = {Automatica}, volume = {37}, year = {2001}, month = {apr}, pages = {625-628}, keywords = {robust, SPR, strengthened}, author = {C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @article {Mosquera01d, title = {Time-transfer performance in burst-mode communication systems}, journal = {IEEE Journal on Selected Areas in Communications}, volume = {19}, year = {2001}, month = {dec}, pages = {2310-2319}, keywords = {burst, PLL, synchronization}, author = {C. Mosquera and Sandro Scalise and G. Taricco and G. Garofalo and D. Giunta} } @conference {Mosquera_Scalise01, title = {Time-transfer performance in burst-mode communication systems}, booktitle = {International Workshop on Digital Signal Processing Techniques for Space Communications (DSP)}, year = {2001}, keywords = {burst, PLL, synchronization}, author = {C. Mosquera and Sandro Scalise and G. Taricco and D. Giunta} } @article {Mosquera00, title = {Convergence analysis of the multiple-channel filtered-U recursive LMS algorithm for active noise control}, journal = {Signal Processing}, volume = {80}, year = {2000}, pages = {849-856}, keywords = {ANC, FuRLMS, SPR}, author = {C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @article {uvigo:polyjnl, title = {Hyperstable adaptive IIR algorithms with polyphase structures: analysis and design}, journal = {IEEE Transactions on Signal Processing}, volume = {47}, number = {7}, year = {1999}, month = {July}, pages = {2043{\textendash}2046}, keywords = {adaptive IIR filters, system identification}, author = {R. L{\'o}pez-Valcarce and C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {uvigo:polycnf, title = {Hyperstable polyphase adaptive IIR filters}, booktitle = {IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)}, volume = {4}, year = {1999}, pages = {1841{\textendash}1844}, address = {Phoenix, AZ, USA}, keywords = {adaptive IIR filters, system identification}, author = {C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez and R. L{\'o}pez-Valcarce} } @conference {Mosquera_Perez99, title = {IIR adaptive filters for active noise control}, booktitle = {International Congress on Sound and Vibration}, year = {1999}, address = {Copenhagen, Denmark}, keywords = {ANC, IIR, SPR}, author = {C. Mosquera and J.A. G{\'o}mez and Fernando P{\'e}rez-Gonz{\'a}lez and M. Sobreira} } @article {Mosquera99, title = {The robust SPR problem: design algorithms and new applications}, journal = {Signal Processing}, volume = {76}, year = {1999}, pages = {269-283}, keywords = {robust, SPR}, author = {C. Mosquera and L. Leyra and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {Mosquera98d, title = {An approach to the robust SPR problem through interpolation and avoidance: connections with the robust stability problem}, booktitle = {American Control Conference}, year = {1998}, keywords = {avoidance, interpolation, robust, SPR}, author = {C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @article {uvigo:notebias, title = {On the bias of the modified output error algorithm}, journal = {IEEE Transactions on Automatic Control}, volume = {43}, number = {9}, year = {1998}, month = {September}, pages = {1261{\textendash}1262}, keywords = {adaptive IIR filters, system identification}, author = {C. Mosquera and R. L{\'o}pez-Valcarce and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {Mosquera98b, title = {Filtered error adaptive IIR algorithms and their application to active noise control}, booktitle = {IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)}, year = {1998}, keywords = {adaptive, IIR, SPR}, author = {C. Mosquera and J.A. G{\'o}mez and Fernando P{\'e}rez-Gonz{\'a}lez} } @mastersthesis {Mosquera98, title = {Relaxation of the SPR condition with applications to the convergence of adaptive recursive algorithms}, year = {1998}, school = {University of Vigo, Spain}, type = {phd}, author = {C. Mosquera} } @inbook {Mosquera_Perez98d, title = {The Simultaneous Strict Positive Real Problem: Similarities with the Simultaneous Stability Problem and Applications in Adaptive Recursive Algorithms}, booktitle = {Mathematics in Signal Processing}, year = {1998}, pages = {139-148}, publisher = {Oxford University Press}, organization = {Oxford University Press}, keywords = {robust, SPR}, author = {C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez}, editor = {J.G. McWhirter and I.K. Proudler} } @conference {Mosquera98c, title = {On the strengthened robust SPR problem for discrete-time systems}, booktitle = {American Control Conference}, year = {1998}, author = {C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @article {MosqueraPerez97b, title = {An Algorithm for Interpolation with Positive Rational Functions on the Imaginary Axis}, journal = {Automatica}, volume = {33}, year = {1997}, pages = {2277-2280}, keywords = {interpolation, SPR}, author = {C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} } @inbook {Mosquera_Perez97a, title = {Analysis and Synthesis Tools for Robust SPRness}, booktitle = {Intelligent methods in signal processing and communications}, year = {1997}, pages = {147-171}, publisher = {Birkhauser}, organization = {Birkhauser}, keywords = {robust, SPR}, author = {C. Mosquera and Juan R. Hern{\'a}ndez and Fernando P{\'e}rez-Gonz{\'a}lez}, editor = {A. Figueiras and D. Docampo and Fernando P{\'e}rez-Gonz{\'a}lez} } @conference {Perez_Mosquera96, title = {Characterization and Algebraic Solution to the Extreme-Point Robust SPR Problem}, booktitle = {IFAC World Congress}, year = {1996}, pages = {391-396}, address = {San Francisco, CA, USA}, keywords = {robust, SPR}, author = {Fernando P{\'e}rez-Gonz{\'a}lez and C. Mosquera} } @conference {Perez_Mosquera95, title = {Algebraic LTI Filter Synthesis for Simultaneously Making a Convex Combination of Discrete-Time Plants SPR}, booktitle = {IEEE Conference on Decision and Control (CDC)}, year = {1995}, pages = {780-781}, address = {New Orleans, LA}, keywords = {robust, SPR}, author = {Fernando P{\'e}rez-Gonz{\'a}lez and C. Mosquera} }