Now showing items 1-12 of 64

• #### A model for a multiresolution time series database system ﻿

(WSEAS Press, 2013)
Conference report
Open Access
In this paper we propose a model for multiresolution time series database management systems. Thismodel stores compactly a time series and manages consistently its temporal dimension. This is achieved byextracting different ...
• #### A survey on modulation techniques in molecular communication via diffusion ﻿

(Institute of Electrical and Electronics Engineers (IEEE), 2020-12-31)
Article
Open Access
This 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 ...
• #### Dynamic buffer sizing and pacing as enablers of 5G low-latency services ﻿

(2020-08-17)
Article
Open Access
3GPP standards organization is performing an impressive effort trying to reach sub-millisecond latencies for 5G. However, such efforts may become fruitless if exogenously generated delays at transport layer are not considered. ...
• #### Superregeneration revisited: from principles to current applications ﻿

(2020-02-01)
Article
Open Access
Wireless communications play a central role in our modern connected lives; at the same time, they constitute a very broad and deep area of research. The elements that make wireless communications possible are a transmitter, ...
• #### Signal and noise power spectra in superregenerative oscillators ﻿

(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference lecture
Open Access
This paper presents a method to quantify noise in superregenerative oscillators. A frequency domain technique, originally intended to determine the signal response, can also be used to determine the noise response. This ...
• #### An interdisciplinary approach to motivate students to learn digital systems and computing engineering ﻿

(Tempus Publications, 2019-03-01)
Article
Restricted access - publisher's policy
We report a new learning approach in collaborative learning-by doing, real-world team-based project in two ICT courses: DigitalSystems and Computing Engineering, conducted at Universitat Politecnica de Catalunya. Data ...
• #### Optimal batch scheduling of a multiproduct dairy process using a combined optimization/constraint programming approach ﻿

(Pergamon Press, 2019-03-08)
Article
Open Access
This paper presents the optimal batch scheduling of a multi-product dairy process using an approach that combines optimization and constraint programming techniques. A suitable model describing the subprocesses and production ...
• #### Creació de materials docents per assignatures de telecomunicacions amb eines informàtiques de fàcil utilització ﻿

(Universitat de Barcelona. Edicions i Publicacions, 2006)
Conference report
Open Access
Seguint l’enfocament de l’Espai Europeu d’Educació Superior (EEES), on es valora l’aprenentatge cooperatiu i basat en projectes, es troba interessant disposar de materials docents, per al treball individual o col·lectiu, ...
• #### An effective strategy of real-time vision-based control for a Stewart platform ﻿

(2018)
Conference report
Open Access
A Stewart platform is a kind of parallel robot which can be used for a wide variety of technological and industrial applications. In this paper, a Stewart platform designed and assembled at the Universitat Politecnica de ...
• #### Monitoring and optimal management approaches to reduce water and energy consumption in milk processing processes ﻿

(2017)
Conference report
Open Access
This paper proposes a methodology for the monitoring and optimal management of milk processing processes to reduce water and energy consumption. First, the key variables that should be measured to characterize the water/energy ...
• #### A discrete-time approach to the steady-state and stability analysis of distributed nonlinear autonomous circuits ﻿

(Institute of Electrical and Electronics Engineers (IEEE), 1998)
Conference report
Open Access
We present a direct method for the steady-state and stability analysis of autonomous circuits with transmission lines and generic nonlinear elements. With the discretization of the equations that describe the circuit in ...
• #### A discrete-time technique for the steady-state analysis of nonlinear class-E amplifiers ﻿

(Institute of Electrical and Electronics Engineers (IEEE), 2007-06-11)
Article
Open Access
Switched circuits are widely used, particularly for power electronic applications in which efficiency is important. Of these applications, the class-E amplifier has been given particular attention, since it is theoretically ...