Dipartimento d'Ingegneria

Telecommunications - Telecomunicazioni

The Telecommunications group (TLC) operates with theoretical and applied research in many fields of modern telecommunication technologies, and hosts two research laboratories: the Digital Signal Processing Laboratory (DSPLab) and the Networks and Services Laboratory (NSLab). The TLC group research is focused on three main areas:

Signal processing for communications: this area covers physical layer issues for (wireless) communications, such as channel estimation, equalization, detection, synchronization, nonlinear distortions and associated performance analysis. The group has a wide expertise on multicarrier communications (such as OFDM and its generalizations) and on CDMA systems, with applications to modern digital communication and broadcasting systems, such as Wi-Fi, Wi-Max, UMTS, LTE, DVB-T(2), etc., as well as to underwater communications. In this framework, research topics include fast time-varying fading channels estimation and equalization, MIMO systems, spectrum-sensing for cognitive radios, carrier frequency-offset analysis, space-time coding, nonlinear distortions analysis and compensation, impulsive noise counteraction, multiuser-detection, scheduling policies with adaptive modulation and coding. More recently we have been interested also to signal processing for biomedical applications, and particularly to electrocardiography and medical ultrasounds.

Networking and positioning: this area covers research aspects such as IP networking (architectures, QoS, pricing, resource discovery, network management and fault localization, mobility), wireless LANs, distributed computing, satellite networks, service deployment architectures for the Future Internet, overlay networks (Content Distribution Networks, including Digital Cinema distribution systems), LAN, and positioning and navigation systems. More recently, we have also extended our research interests to biological nano-network communication systems, and distributed processing architectures for genomic research.

Audio and video signal processing: this area covers research aspects such as source and channel coding of mono- and multidimensional signals (digital sound, images, and videos), high quality compression with JPEG 2000, JPEG XR, and H.264 for Digital Cinema, objective and subjective quality assessment, channel coding for reliable delivery of video, video compression for broadcasting systems, wavelet compression, DSP/FPGA implementation of UHD video compression systems. More recently, we have also extended our research interests to multi-view video coding (MVC) for stereoscopic (3D) video.

ARES: una rete di risorse per la genomica

In Research ,
Scritto da Venerdì, 14 Novembre 2014 16:19
The explosive growth of genomics data presents an unprecedented challenge in the field of big data; the project ARES is an example (http://conan.diei.unipg.it/lab/index.php/research/ares). The ARES goal is the development of a network optimized for the delivery of genomics data, funded under the Open Call of the Project GN3plus. When referring to genomics, the adjective big not only refers to the total number of data items, which is becoming larger and larger, but also the size of the single datum necessary for each analysis, which is typically in the order of tens of gigabytes. If we multiply by the amount of analysis that will be made every day, the problem is becoming truly explosive, in two dimensions: the total amount and in the management of single analysis. The ARES project, coordinated by Gianluca Reali, of the Department of Engineering at the University of Perugia, provides a scalable solution to the problem. Read the full news story on the ARES web site or on in Géant News (http://www.geant.net/MediaCentreEvents/news/Pages/ARES.aspx).

La crescita esplosiva dei dati della genomica presenta una sfida senza precedenti nel campo del big data; ne è un esempio ARES, il progetto per lo sviluppo di una rete per la distribuzione ottimizzata di dati per la genomica, finanziato nell'ambito della Open Call del progetto GN3plus. Quando ci si riferisce alla genomica, l’aggettivo big non fa riferimento solo alla quantità complessiva dei dati, che sta diventando sempre maggiore, ma anche alle dimensioni del singolo dato: tipicamente per ogni analisi è necessario gestire contemporaneamente decine di Gigabyte. Se poi moltiplichiamo per la quantità di analisi che saranno fatte ogni giorno, il problema è davvero esplosivo, in due dimensioni: nella quantità complessiva e nella gestione della singola analisi. Il progetto ARES, coordinato da Gianluca Reali, del Dipartimento di Ingegneria dell'Università degli Studi di Perugia, offre una soluzione scalabile al problema. Leggi tutta la notizia sul sito web di ARES o su Géant News (http://www.geant.net/MediaCentreEvents/news/Pages/ARES.aspx).


In Research ,
Scritto da Martedì, 11 Marzo 2014 13:49
The capabilities of manipulating matter at the molecular scale has inspired a huge research effort for many years and has led to the design and implementation of sophisticated devices, commonly referred to as nanomachines. The potentials of these devices span numerous areas, including medical science, environmental control, and material science.
Although decades of research and implementation activities has lead to remarkable nanomachines capabilities, especially in the medical field, their networked coordination is still at an early stage of research. Recently, some possible solutions for allowing nanomachines to exchange information have been proposed.
The completion of the human genome sequencing project represented a major milestone in the field of biological and medical sciences. It happened about ten years ago in the framework of the US project Human Genome. It has been the results of years of expensive research activity. At that (recent) time, although the importance of that result was clear, the possibility of handling the human genome as a commodity was far from imagination due to cost and complexity of sequencing and analyzing complex genomes.
Today the situation is very much different, since the order of magnitude of the cost necessary for sequencing a human genome is rapidly reducing.

Networks and Services Lab

Scritto da Martedì, 11 Marzo 2014 13:08
The Networks and Services Laboratory is a research laboratory covering aspects such as IP networking (architectures, QoS, pricing, resource discovery, network management and fault localization, mobility), wireless LANs, satellite networks, service deployment architectures for the Future Internet, overlay networks (Content Distribution Networks, including digital cinema distribution systems), positioning and navigation systems using LANs & GPS, distributed computing, and, more recently, biological nano-network communication systems.

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