Browsing by Subject "Modulation (Electronics)"
Now showing items 1-20 of 66
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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, ... -
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
(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 ... -
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 novel three-dimensional sigma–delta modulation for high-switching-frequency three-phase four-wire active power filters
(2024-02-01)
Article
Open AccessThis article presents a new modulation technique called three-dimensional sigma–delta (3D-S¿ ) modulation for high-frequency three-leg four-wire voltage source converters (VSCs) that use wide-bandgap (WBG) semiconductors. ... -
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 ... -
A survey on modulation techniques in molecular communication via diffusion
(Institute of Electrical and Electronics Engineers (IEEE), 2020-12-31)
Article
Open AccessThis survey paper focuses on modulation aspects of molecular communication, an emerging field focused on building biologically-inspired systems that embed data within chemical signals. The primary challenges in designing ... -
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 ... -
Advances in dynamic AFM: from nanoscale energy dissipation to material properties in the nanoscale
(2021-04-02)
Article
Open AccessSince the inception of the atomic force microscope (AFM), dynamic methods (dynamic atomic force microscopy) have been very fruitful by establishing methods to quantify dissipative and conservative forces in the nanoscale ... -
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 ... -
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 ... -
CMOS photonic devices characterization and quantum computing architecture design
(Universitat Politècnica de Catalunya, 2018-02-07)
Bachelor thesis
Open Access
Covenantee: Massachusetts Institute of TechnologyQuantum computing is an exciting new technology that will allow to solve some problems that current computers cannot do. However, most of the technologies being researched for quantum computing need ultra-low temperatures ... -
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
Restricted access - confidentiality agreementThe 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. ...
