Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 102 for “"ING-INF/03 Telecomunicazioni"”.
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Design of optical networks for advanced applications
Nowadays, computing is migrating from traditional high performance and distributed computing to pervasive and utility computing based on heterogeneous networks and clients. The current trend suggests that future IT services will rely on distributed resources and on fast communication of …
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Cooperative communication and distributed detection in wireless sensor networks
… as well as transceiver (for transmission of information to the data retrieval); the nodes have limited energy resources. The use of wireless communications and the small size of nodes, make this type of networks suitable for a large number of applications. For example, sensor nodes can be …
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Wireless systems for the fourth generation
… on new applications and services are becoming higher and higher. Therefore, new systems and technologies are necessary to move towards the market needs and the user requirements. This has driven the development of fourth generation networks. ”Wireless network for the fourth generation” is …
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High-performance switching architectures for optical networks
… IP-based services, as well as increasing broadband access requirements is leading to the need of flexible and highly reconfigurable optical networks. While transmission bandwidth does not represent a limit due to the huge bandwidth provided by optical fibers and Dense Wavelength …
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Design and control techniques of optical networks
… has changed quickly in the last decade resulting in the the rapid increase in the pace of peoples’ lives. This is due to the explosion of mobile communication and the internet which has now reached all levels of society. With such pressure for access to communication there is increased demand …
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Bridging the gap between theory and implementation in cognitive networks: developing reasoning in today's networks
Communication networks are becoming increasingly complex and dynamic. The networking paradigm commonly employed, on the other hand, has not changed over the years, and, as a result, performs poorly in today's environments. Only very recently, a new paradigm named cognitive networking has been …
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Detection and Analysis Methods for unmanned aerial Vehicle Images
… as drones, are aerial platforms that are gaining large popularity in the remote sensing field. UAVs derive from military technology, but in the last few years they are establishing as reference platforms also for civilian tasks. The main advantage of these acquisition systems lies in their …
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Design, analysis, application and experimental assessment of algorithms for the synthesis of maximally sparse, planar, non-superdirective and steerable arrays
This thesis deals with the problem of synthesizing planar, maximally sparse, steerable and non-superdirective array antennas by means of convex optimization algorithms and testing their performances on an existing array to assess its far field performances in terms of requirements ful- filment. The …
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Energy-Efficient Medium Access Control Protocols and Network Coding in Green Wireless Networks
… significantly contribute to the rapidly increasing energy consumption and carbon emissions of the Information and Communication Technologies (ICT) sector. Crucial factors leading to this trend are the continuous growth of wireless network infrastructure coupled with the increased number of user …
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Novel Methods for Change Detection in Multitemporal Remote Sensing Images
… paradigms and techniques for the extraction of information from long time series of remotely sensed images. Many images are acquired everyday at high spatial and temporal resolution. The unprecedented availability of images is increasing due to the number of acquiring sensors. Nowadays, many …
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Sensors and Wearable-based Activity Recognition and Behaviour Analysis for Users' Quality of Life Improvement
… The topic has been addressed considering two different fields of study, one concerning \ac{BECM} Systems while the other is more concerning healthcare and well-being aspects. Indeed, it has been largely demonstrated how human behaviour could impact, on different levels, the quality of …
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Multiuser Diversity Management for Multicast/Broadcast Services in 5G and Beyond Networks
… a paradigm shift for global communications, offering unprecedented breakthroughs in media service delivery with novel capabilities and use cases. Addressing the critical research verticals and challenges that characterize the International Mobile Telecommunications (IMT)-2030 framework requires a …
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Building Human Digital Twins through Natural Language Processing: From Conversations to Knowledge
… advancement in human-computer interaction, offering personalised digital representations of individual knowledge, behaviour, and preferences. These sophisticated systems face fundamental challenges in ensuring the reliable organisation and processing of extensive conversational data. This thesis …
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Learning Based Objective QoE Models Across Interactive and Immersive Media
Delivering high-quality multimedia experiences at scale requires objective Quality of Experience (QoE) models that reliably approximate human perception across heterogeneous contents, devices, and network conditions. Subjective user studies remain the reference standard for assessing perceived …
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Advanced Methods for the Analysis of Radar Sounder Data Acquired at the Ice Sheets
… reconfirmed the importance of a better understanding of the Cryosphere for advancing the analysis, modeling and prediction of climate change and its impact on the environment and society. One of the most complete collection of information about the ice sheets and glaciated areas is contained in …
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Advanced classification methods for UAV imagery
… advancement manifested lately in the remote sensing acquisition platforms has triggered many benefits in favor of automated territory control and monitoring. In particular, unmanned aerial vehicles (UAVs) technology has drawn a lot of attention, providing an efficient solution especially in …
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Advanced methods for the analysis of multispectral and multitemporal remote sensing images
The increasing availability of new generation remote sensing satellite multispectral images provides an unprecedented source of information for Earth observation and monitoring. Multispectral images can be now collected at high resolution covering (almost) all land surfaces with extremely short …
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