Browsing by Subject "Modulation (Electronics)"
Now showing items 1-20 of 51
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3D polarized modulation: system analysis and performance
(2018-06-26)
Article
Open AccessIn this paper we present a novel modulation technique for dual polarization communication systems, which reduces the error rate compared with the existent schemes. This modulation places the symbols in a 3D constellation, ... -
Adaptive generalized space shift keying (GSSK) modulation for MISO channels: a new method for high diversity and coding gains
(2012)
Conference report
Open AccessGeneralized Space Shift Keying (GSSK) modulation is a recently proposed low-complexity concept for Multiple-Input- Multiple-Output (MIMO) wireless systems. GSSK modulation is a generalized version of Space Shift Keying ... -
A fast OFDM-CDMA user demultiplexing architecture
(Institute of Electrical and Electronics Engineers (IEEE), 2000)
Conference report
Open AccessA fast algorithm based on a butterfly structure is presented that demultiplexes the symbols of a particular type of MC-MA (multi-carrier multiple-access) modulation previously proposed for indoor radio communications. A ... -
A modified voltage balancing sorting algorithm for the modular multilevel converter: Evaluation for staircase and phase-disposition PWM
(2015-08-01)
Article
Open Access -
A modified voltage balancing sorting algorithm for the modular multilevel converter: Evaluation for staircase and phase-disposition PWM
(2014)
Conference report
Restricted access - publisher's policyThis paper introduces a low complexity implementation of the voltage balancing sorting algorithm to reduce the switching frequency of the power devices in modular multilevel converters (MMCs). Two modulation techniques are ... -
Anàlisis de diferents tècniques de modulació en un convertidor de tres nivells
(Universitat Politècnica de Catalunya, 2018-05)
Bachelor thesis
Open AccessEn el següent projecte de final de grau, realitzarem la posada en marxa de conversor NPC del laboratori d’electrònica de potència, de la Universitat Politècnica de Catalunya, facultat ESEIAAT, a l’edifici TR2. Farem una ... -
A resource management scheme for multi-user GFDM with adaptive modulation in frequency selective fading channels
(Universitat Politècnica de Catalunya, 2016-05-03)
Bachelor thesis
Open Access
Covenantee: Technische Universität DresdenThis final project focus on designing and evaluating a resource management scheme for a multi-user generalized frequency division multiplexing (GFDM) system, when a frequency selective fading channel and adaptive modulation ... -
Cantilever dynamics in amplitude modulation AFM: continuous and discontinuous transitions
(2010-06-21)
Article
Open AccessTransitions between the attractive and the repulsive force regimes for amplitude modulation atomic force microscopy (AFM) can be either discontinuous, with a corresponding jump in amplitude and phase, or continuous and ... -
Capacitor voltage balancing in a three-level-converter-based energy storage system
(2013-10-01)
Article
Restricted access - publisher's policyThis paper discusses a grid-connected energy storage system based on two three-level (3L) converters: a DC-DC one and a neutral-point-clamped inverter. When compared to a system using standard two-level converters, the ... -
Capacity analysis of WCC-FBMC/OQAM systems
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Conference report
Restricted access - publisher's policyThis paper evaluates the capacity of weighted circularly convolved FBMC/OQAM systems. A rigorous mathematical model is derived to calculate the increase of capacity that can be obtained thanks to the lattice structure of ... -
Current balancing strategy in parallel-connected legs of power inverters
(EPE Association, 2009-10-31)
Conference lecture
Open AccessThe parallel connection of inverter legs is a way to increase the output currents and thus the converter rated power. The connection is made by inductors and a critical issue is to achieve balanced currents among the legs. ... -
Current-balancing technique for interleaved voltage source inverters with magnetically coupled legs connected in parallel
(Institute of Electrical and Electronics Engineers (IEEE), 2015-03-01)
Article
Open AccessConnecting legs in parallel in a voltage source inverter is a way to increase the output current and, thus, its rated power. The connection can be made using either coupled or uncoupled inductors, and achieving an even ... -
Desenvolupament de la modulació SHE en un inversor NPC de 3 nivells
(Universitat Politècnica de Catalunya, 2011-03)
Master thesis (pre-Bologna period)
Open AccessEn el present projecte final de carrera s’ha treballat en l’aplicació de la modulació Selective Harmonic Elimination en inversors de tres nivells de la topologia Neutral Point Clamped. La modulació Selective Harmonic ... -
Design and implementation of a radio wake up reciber
(Universitat Politècnica de Catalunya, 2018-06)
Bachelor thesis
Restricted access - confidentiality agreementWi-Fi is the facto standard protocol for most indoor personal communication devices. Despite this, its usage in IoT solutions is limited, mainly due to the high cost and elevated power consumption of Wi-Fi transceivers. ... -
Design of a modular instrument with reconfigurable Input/Output for test and measurement
(Universitat Politècnica de Catalunya, 2018-02)
Master thesis
120 months embargoThe purpose of this Master Thesis is the study of the capabilities offered by the National Instruments sbRIO-9651 System-On-Module, to determine if it?s suitable for the implementation of automatic test equipment instruments. ... -
Development of a short-range inductive coupled system for high-rate data transmission
(Universitat Politècnica de Catalunya, 2017-06)
Bachelor thesis
Open Access
Covenantee: Hochschule AalenThe project is based on the creation of an inductive link for data transmission at a 10Mbps rate. Firstly, the frequency response of the link of coupled inductors is analysed, and it is decided, with minimum attenuation ... -
Digital Beamforming Implementation on an FPGA Platform
(Universitat Politècnica de Catalunya, 2007-07)
Master thesis (pre-Bologna period)
Open AccessThe objective of the work presented is to implement a Digital Beamforming (DBF) platform for an antenna array receiver designed for the S-DMB system. Our project deals with the design of antenna arrays from a hardware ... -
Diode-clamped multilevel converters with integrable gate-driver power-supply circuits
(2009)
Conference lecture
Open AccessThis paper presents a novel modulation for a two-stage dc-ac power converter with high-frequency isolation installed in a photovoltaic stand-alone system. The presented modulation, which is designed for the converter ... -
Effects of nonidealities in switching frequency modulation techniques:application to Coupled Interleaved Multicellular Parallel converters
(2013)
Conference report
Open AccessThis paper explores the application of the Variable Delay Frequency Modulation (VDFM) to an Interleaved Multicellular Parallel converter. VDFM is a modulation technique specially intended to reduce conducted EMI generated ...
