Exploració per tema "Senyal, Teoria del (Telecomunicació)"
Ara es mostren els items 21-40 de 368
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A rain and scintillation Ka-band channel simulator
(ESA, 2008)
Text en actes de congrés
Accés obertThis paper describes the implementation of a Ka-band satellite channel simulator with emphasis on the synthesis of scintillation processes. The problem becomes one of generating a given probability density function, ... -
A real-time FPGA-based implementation of a high-performance MIMO-OFDM mobile WiMAX transmitter
(2011)
Text en actes de congrés
Accés obertThe Multiple Input Multiple Output (MIMO)-Orthogonal Frequency Division Multiplexing (OFDM) is considered a key technology in modern wireless-access communication systems. The IEEE 802.16e standard, also denoted as ... -
A real-time FPGA-based implementation of a high-performance MIMO-OFDM transceiver featuring a closed-loop communication scheme
(Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper we present the FPGA implementation of a multi-antenna Orthogonal Frequency-Division Multiplexing (OFDM) transmitter and receiver featuring a closed-loop (CL) communication scheme. The PHY-layer development ... -
A real-time FPGA-based mobile WiMAX transceiver supporting multi-antenna configurations
(IEEE, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents the design, implementation and experimental validation of a real-time FPGA-based mobile WiMAX baseband transceiver. Three different antenna configuration schemes were implemented and tested, namely ... -
A robust maximin approach for MIMO communications with imperfect channel state information based on convex optimization
(2006-01)
Article
Accés obertThis paper considers a wireless communication system with multiple transmit and receive antennas, i.e., a multiple-input-multiple-output (MIMO) channel. The objective is to design the transmitter according to an imperfect ... -
A self-organized spectrum assignment strategy in next generation OFDMA networks providing secondary spectrum access
(2009)
Text en actes de congrés
Accés obertThis paper proposes a Self-organized Spectrum Assignment strategy in the context of next generation multicell Orthogonal Frequency Division Multiple Access networks. The proposed strategy is able to dynamically find ... -
A signal subspace framewok of nonlinearly constrained solutions
(Elsevier, 1990)
Text en actes de congrés
Accés obert -
A Small Baseline DIFSAR Approach for Investigating Deformations on Full Resolution SAR Interferograms
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2004-07-31)
Article
Accés obertThis paper presents a differential synthetic aperture radar (SAR) interferometry (DIFSAR) approach for investigating deformation phenomena on full-resolution DIFSAR interferograms. In particular, our algorithm extends ... -
A taxonomy and survey of SCTP research
(2012-08)
Article
Accés restringit per política de l'editorialThe Stream Control Transmission Protocol (SCTP) is a relatively recent general-purpose transport layer protocol for IP networks that has been introduced as a complement to the well-established TCP and UDP transport protocols. ... -
Adaptació de la plataforma dinamomètrica per l'anàlisi de la sortida de tacs en l'atletisme
(Universitat Politècnica de Catalunya, 2016-06-08)
Treball Final de Grau
Accés obertAquest projecte comença amb la voluntat pròpia de que estigués relacionat amb l’esport. Per poder-ho realitzar millor és va fer amb simultaneïtat les pràctiques i el projecte en el Centre d’Alt Rendiment (CAR) de Sant ... -
Adaptive sampling for fast sparsity pattern recovery
(2011)
Text en actes de congrés
Accés obertIn this paper we propose a low complexity adaptive algorithm for lossless compressive sampling and reconstruction of sparse signals. Consider a sparse non-negative real signal x containing only k << n non-zero values. ... -
Aerosol lidar intercomparison in the framework of SPALINET-The Spanish lidar network: methodology and results
(IEEE Press. Institute of Electrical and Electronics Engineers, 2009-10)
Article
Accés obertAbstract—A group of eight Spanish lidars was formed in order to extend the European Aerosol Research Lidar Network–Advanced Sustainable Observation System (EARLINET-ASOS)project. This study presents intercomparisons at the ... -
Aerosol stratification characterization of an astronomical site by means of a backscatter lidar at the Roque de los Muchachos Observatory
(2009)
Text en actes de congrés
Accés obertThe Roque de los Muchachos Observatory, located on the island of La Palma in the Canary Islands, is home of many astronomical facilities. In the context of the Extremely Large Telescope Design Study, an intensive lidar ... -
Albayzin 2010 Evaluation campaign: speaker diarization
(2010)
Comunicació de congrés
Accés obertIn this paper we present the evaluation results for the task of speaker diarization in broadcast news domain as part of the Albayzin 2010 evaluation campaign of language and speech technologies. The evaluation data was ... -
An adaptive design of an all-zero spectral estimator
(Institute of Electrical and Electronics Engineers (IEEE), 1981)
Text en actes de congrés
Accés obert -
An analytical model for GMPLS control plane resilience quantification
(2009-12)
Article
Accés obertThis paper concentrates on the resilience of the Generalized Multi-Protocol Label Switching (GMPLS) enabled control plane. To this end, the problem of control plane resilience in GMPLS-controlled networks is firstly stated ... -
An application of reinforcement learning for efficient spectrum usage in next-generation mobile cellular networks
(2010-07)
Article
Accés obertThis paper proposes reinforcement learning as a foundational stone of a framework for efficient spectrum usage in the context of nextgeneration mobile cellular networks. The objective of the framework is to efficiently use ... -
An improved interference alignment scheme for frequency selective channels
(2008)
Text en actes de congrés
Accés obertIn this paper, the achievable rate of a K-user interference channel with single antenna at individual node is studied. Interference alignment and zero forcing are applied at the transmitter and receiver, respectively. ... -
Analog joint source channel coding using space-filling curves and MMSE decoding
(2009)
Text en actes de congrés
Accés obertWe investigate the performance of a discrete-time all-analog-processing joint sourcechannel coding system for the transmission of i.i.d. Gaussian and Laplacian sources over AWGN channels. In the encoder, two samples of ... -
Analysis and evaluation of decentralized multiaccess Mac for ad-hoc networks
(2003)
Text en actes de congrés
Accés obertIn mobile ad-hoc radio networks, terminals are mobile and heterogeneous, the architecture of the network is continuously changing, communication links are packet oriented and radio resources are scarce. Therefore, ...