Exploració per autor "Lagunas Hernandez, Miguel A."
Ara es mostren els items 85-104 de 184
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Improved ML cross-spectral estimation
(1986)
Text en actes de congrés
Accés obertThis work deals with the use of dedicated filters for cross-spectrum estimation. Basically, the ML cross-spectral estimator can be obtained as the natural extension of the Normalized Maximurn Likelihood procedure, reported ... -
Iterative algorithm for the estimation of distributed sources localization parameters
(Institute of Electrical and Electronics Engineers (IEEE), 2001)
Text en actes de congrés
Accés restringit per política de l'editorialWe present a novel algorithm for the estimation of the direction of arrival and angular distribution parameters of sources that, as a result from the scattering effects, cannot be considered as punctual. The algorithm ... -
Joint array combining and MLSE for single-user receivers in multipath Gaussian multiuser channels
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-09-30)
Article
Accés obertThe well-known structure of an array combiner along with a maximum likelihood sequence estimator (MLSE) receiver is the basis for the derivation of a space-time processor presenting good properties in terms of co-channel ... -
Joint beamforming and Viterbi equalizer in wireless communications
(Institute of Electrical and Electronics Engineers (IEEE), 1997)
Text en actes de congrés
Accés obertThe presence of a sequence detector in the baseline architecture for base stations for mobile communications has become a standard. Also the use of coding allows the baseband detector to work at very low signal to noise ... -
Joint direction of arrival and array shape tracking for multiple moving targets
(Institute of Electrical and Electronics Engineers (IEEE), 1997)
Text en actes de congrés
Accés obertAn algorithm for the joint tracking of source DOAs and sensor positions is presented to address the problem of DOA tracking in the presence sensor motion. Initial maximum likelihood estimates of source DOAs and sensor ... -
Joint probability density function estimation by spectral estimate methods
(Institute of Electrical and Electronics Engineers (IEEE), 1996)
Text en actes de congrés
Accés obertThe estimation of probability density functions (PDFs) of a given random variable (r.v.) is involved in topics related to codification, speech or whenever a short record of data is available but a greater amount is needed. ... -
Joint temporal-spatial reference beamforming: EIG beamforming
(2010)
Text en actes de congrés
Accés obertTraditional methods for beamforming can be grouped in two families, the time reference beamformer and the spatial reference beamforming. Nevertheless, the increasing demand on receivers for location systems and high bandwidth ... -
Known Input Power Spectrum in Adaptive L.M.S. and A. G. Algorithms
(1986)
Text en actes de congrés
Accés obertThis work deals with the use of previous or colateral information to improve the behaviour of adaptive algorithms. The study is made on gradient-baseq methods due te the relatively simple and good performances that they ... -
Known input power spectrum in adaptive L.M.S. and A.G. algorithms
(1986)
Text en actes de congrés
Accés obertThis work deals with the use of previous or colateral information to improve the behaviour of adaptive algorithms. The study is made on gradient-baseq methods due te the relatively simple and good performances that they ... -
Least squares null space variational characterization for nonminimum norm solutions
(1989)
Text en actes de congrés
Accés obertThe least-squares estimation problem with non-minimum-norm constraints on the unknown model parameters is considered. Contrary to the quadratic-constraint least-squares solutions the approach presented does not necessarily ... -
Licensing open spectrum systems
(Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper studies how the spectrum regulation could change in the future open spectrum communication systems. Due to their huge success in short-range communication systems (WiFi, Zigbee, ...), broader area telecommunication ... -
Line tracking performance of a least squares adaptive lattice algorithm
(1983)
Text en actes de congrés
Accés obertThe work shows the performance of an algorithm for adaptive lattice structures in line tracking. The algorithm introduces some modifications in the classical LMS procedure, which theoretical background can be viewed in ... -
Line tracking with an adaptive lattice algorithm
(1983)
Text en actes de congrés
Accés obertThe work shows the performance of an algorithm for adaptive lattice structures in line tracking. The algorithm introduces some modifications in the classical LMS procedure, which theoretical background can be viewed in ... -
Linear precoding in multibeam satellite under licensed shared access
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialDue to the scarcity of the spectrum, there is a current tendency to offer novel shared access licenses in order to increase the overall spectral efficiency. Under this context, license shared access (LSA) has appeared as ... -
LoRa modulation for split learning
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertIn this paper we introduce a task-oriented communication design for split learning (SL) over a communication channel. Our approach involves the Expressive Neural Network (ENN), a novel neural network featuring adaptive ... -
LoRa-based over-the-air computing for Sat-IoT
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertSatellite Internet of Things (Sat-IoT) is a novel framework in which satellites integrate sensing, communication and computing capabilities to carry out task-oriented communications. In this paper we propose to use the ... -
Low-complexity resource allocation with rate balancing for the MISO-OFDMA broadcast channel
(2012-12)
Article
Accés restringit per política de l'editorialThis paper presents a low-complexity algorithm for multiuser scheduling and resource allocation in the Multiple Input Single Output (MISO) downlink channel with Orthogonal Frequency Division Multiple Access (OFDMA). The ... -
Low-complexity soft-output MIMO detection in FBMC/OQAM systems
(2014)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper focuses on soft-output detection when coded spatial data multiplexing schemes are combined with filter bank multicarrier systems based on the offset quadrature amplitude modulation (FBMC/OQAM). Due to the ... -
Measuring true spectral density from ML filters (NMLM and q-NMLM spectral estimates)
(Institute of Electrical and Electronics Engineers (IEEE), 1984)
Text en actes de congrés
Accés obertStarting from the classical procedure reported by Capon for power level estimation from ML filters, the authors present how this method can be modifyed in order to obtain a power spectral density estimate. The basic idea ... -
Memoryless predistortion of nonlinear amplifiers based on Fourier series based models
(Institute of Electrical and Electronics Engineers (IEEE), 1996)
Text en actes de congrés
Accés obertIn order to maximise the efficiency of the RF amplifier located in a transmitter, for instance in both analog and digital terrestrial TV links, it is forced to work near saturation thus introducing an undesirable nonlinear ...
