Exploració per autor "Lagunas Hernandez, Miguel A."
Ara es mostren els items 92-111 de 184
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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 ... -
Método MLNq para arrays de alta resolución
(Universidad de Sevilla, 1984)
Text en actes de congrés
Accés obertSpectral analysis techniques are used to bearing estimation problem. Each one of this gives a different array beamforming. We show here a generalized normalized Maximum Likehood Method which present a high resolution ... -
MIMO channel metrics
(2006)
Text en actes de congrés
Accés obertSpace diversity processing when suitable either at the transmitter side or at the receiver side provides a reduction on the transmitted power for the same received signal quality. The paper discusses the importance of ... -
MMSE Joint Detection in frequency-selective wireless communication channels for DS-CDMA systems
(Institute of Electrical and Electronics Engineers (IEEE), 2000)
Text en actes de congrés
Accés obertIn digital mobile communication systems, two important problems arise, namely multiple access interference (MAI) and intersymbol interference (ISI). An attractive solution is the use of code division multiple access (CDMA) ... -
Multibeam adaptive array
(1988)
Text en actes de congrés
Accés obertTo achieve adaptive multibeamforming to allow reconfiguration in SSW-TDMA satellite communications, a system for narrow band adaptive multibeamforming is described in this work. The signal processor allows an unconstrained ... -
Multichannel recovery of quadrature components of bandpass signals
(1982-11)
Article
Accés obert -
Multitone tracking with coupled EKFs and high order learning
(1992)
Text en actes de congrés
Accés obertA multitone tracker is described using two basic principles in optimum frequency estimation: processing bandwidth depending on the distance from the estimate to the actual frequency values, and parallel estimates with ... -
Multiuser array beamforming based on a neural network mapping
(1994)
Text en actes de congrés
Accés obertThis paper addresses the problem of simultaneous multiuser service. To find a feasible solution to the collision problem, two time reference multibeamformer systems are developed (BPSK TRMB and frequency framing TRMB). ...
