university of aveiro

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Study of Material Interference in a RFID Tag Reading

Radio-Frequency Identification RFID is an automatic identification method that uses radio signals, relying on storing and remotely retrieving data using RFID tags or transponders. RFID technology is becoming more and more popular and a central part of one's daily lives. Nowadays, one uses RFID tags for every kind of activities,...

Tags: RFID Tag, University Of Aveiro, RFID, Wireless And Mobility, Security, Biometrics

White papers 2009-03-20

FTT-Ethernet: A Platform to Implement the Elastic Task Model Over Message Streams

Real-time distributed systems are becoming more pervasive, supporting a broad range of applications such as automotive, adaptive control, robotics, computer vision, and multimedia. Furthermore, in all such applications there is a growing demand for flexibility in order to support dynamic configuration changes such as those arising from evolving requirements and...

Tags: Vision, Model, University Of Aveiro, Robots, Strategy, Emerging Technologies, Management

White papers 2009-01-01

New Optimization Methods in Data Mining

Data mining is a modern area of science dealing with the learning from given data in order to make predictions and estimations. Applications of Data mining can be found in various areas of academical and non academical life. This paper introduces new contributions by continuous optimization as a key technology...

Tags: University Of Aveiro, Data Mining, Business Intelligence, Marketing Research, Databases, Enterprise Software, Software, Data Management, Marketing

White papers 2008-10-06

The Cost of Using IEEE 802.16d Dynamic Channel Configuration

Ubiquitous broadband Internet access is an important requirement to satisfy user demands and support a new set of real time services and applications. IEEE 802.16, as a Broadband Wireless Access technology, can significantly contribute in this area. It is able to provide high throughput over large distances, with intrinsic QoS...

Tags: QoS, Real-time Service, IEEE, IEEE 802.16, University Of Aveiro, WiMAX, Wireless And Mobility

White papers 2008-02-28

QoS Signalling in 4G Scenarios

This paper presents an evaluation of possible a QoS architecture and the corresponding QoS signalling strategies for next generation networks, being developed inside the IST project Daidalos. The paper addresses the main results achieved in terms of their performance in an experimental testbed developed inside the project. The results provide...

Tags: 4G, QoS, University Of Aveiro

White papers 2007-11-01

A Scalable and Business-Oriented Framework for Inter-Domain Quality-of-Service

This paper presents and discusses a framework for end-to-end Quality-of-Service in a network operator environment. The paper focuses on the inter-operator segment. Contrary to usual approaches, one considers that, in the current state-of-the-art, the interdomain QoS problem complexity resides on the business relations between administrative domains. Therefore, the paper attempts...

Tags: Paper, QoS, Mobility, University Of Aveiro

White papers 2007-08-15

Asynchronous Traffic Signaling Over Master-Slave Switched Ethernet Protocols

Network protocol designers have always been divided between the adoption of centralized or distributed communication architectures. Despite exhibiting negative aspects like the existence of a single point-of-failure in the master as well as computational overhead and an inefficient handling of the asynchronous communications, Master-Slave protocols have always found their space...

Tags: Protocol, University Of Aveiro, Ethernet, Network Technology, Networking

White papers 2007-06-04

An End-to-End QoS Framework for 4G Mobile Heterogeneous Environments

Next Generation Networks NGN will be based upon the "all IP" paradigm. The IP protocol will glue multiple technologies, for both access and core network, in a common and scalable framework that will provide seamless communication mobility not only across those technologies, but also across different network operators. This paper...

Tags: 4G, QoS, Network, Environment, Framework, University Of Aveiro, Networking

White papers 2007-03-17

A Statistical Model for the Average Number of Hops in Optical Networks

With the aim of approaching the optical networks dimensioning problem in a semi-analytical way, the paper presents a statistical model for the average number of hops in the context of optical networks. The input parameters for the model are the number of nodes and links. From the number of nodes...

Tags: Optical Network, Hop, University Of Aveiro, Fiber Optics, Optical Networking, Networking, Telecommunications

White papers 2007-02-23

UMTS Radio Distribution Over Transparent Optical Networks

Nowadays, radio access, namely to wireless phone, is a need and a big part of the telecommunications market. Distribution everywhere is therefore needed, even if small number of clients will use it. Especially in closed environments (for example: tunnels, underground parking lots, etc), this becomes more difficult as one grows...

Tags: UMTS, Optical Network, Signal, Radio, University Of Aveiro, Advertising & Promotion, Marketing

White papers 2007-02-15