Browsing by Subject "Cognitive radio networks"
Now showing items 1-20 of 112
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A belief-based decision-making framework for spectrum selection in cognitive radio networks
(2015-12-17)
Article
Open AccessThis paper presents a comprehensive cognitive management framework for spectrum selection in cognitive radio networks. The framework uses a belief vector concept as a means to predict the interference affecting the different ... -
A cognitive management framework for spectrum selection
(2013-10-04)
Article
Restricted access - publisher's policyTo increase cognitive radio (CR) operation efficiency, there has been an interest in enhancing the awareness level of spectrum utilization. In this context, this paper builds a new cognitive management functional architecture ... -
A fittingness factor-based spectrum management framework for cognitive radio networks
(2013-03)
Article
Restricted access - publisher's policyIn order to increase cognitive radios (CRs) operation efficiency, there has been an increasing interest in strengthening awareness level about spectrum utilisation. In this respect, this paper proposes to exploit the ... -
A framework for multidimensional modelling of spectrum occupancy in the simulation of cognitive radio systems
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policySpectrum models play a key role in the research of Dynamic Spectrum Access/Cognitive Radio (DSA/CR) systems. Models existing to date are able to characterise the statistical properties of spectrum occupancy in only one ... -
A new cross-layer attack to TCP in cognitive radio networks
(2009)
Conference report
Restricted access - publisher's policy -
A radio spectrum measurement platform for spectrum surveying in cognitive radio
(2011)
Conference report
Restricted access - publisher's policyThis paper presents a sophisticated radio spectrum measurement platform specifically envisaged and designed for spectrum occupancy surveys in the context of Dynamic Spectrum Access/Cognitive Radio (DSA/CR). The presented ... -
An agent-based simulation model of a market for dynamic spectrum access
(2011)
Conference report
Restricted access - publisher's policyThe dramatic increase in the demand for spectrum-based services and devices, combined with the long-term exclusive model of spectrum management, has led to an apparent spectrum scarcity. To overcome this scarcity, the ... -
An experimental assessment of channel selection in cognitive radio networks
(Springer, 2018)
Conference report
Open AccessThe management of future networks is expected to fully exploit cognitive capabilities that embrace knowledge and intelligence, increasing the degree of automation, making the network more self-autonomous and enabling a ... -
An opportunistic cognitive radio communication through the exploitation of the small-scale fading mechanisms of the LTE mobile channel
(2013)
Article
Open AccessIn recent years, the cognitive radio technology has attracted the attention of all the players in the telecommunication field (i.e., researchers, industry, service providers, and regulatory agencies) as a way of facing the ... -
Análisis y caracterización de la ocupación espectral en entornos urbanos exteriores e interiores en el contexto de redes Cognitive Radio de acceso dinámico al espectro
(Universitat Politècnica de Catalunya, 2009-07-23)
Master thesis (pre-Bologna period)
Open AccessLa tecnología Cognitive Radio se ha identificado recientemente como una prometedora solución al denominado problema de escasez de espectro, es decir, la creciente demanda de espectro y su actual infrautilización. La idea ... -
Automatic computing resource awareness in resource managers for cognitive radios
(2010)
Conference report
Open AccessWith all the potential flexibility of software-defined radios, the flexibility of SDR terminals is currently limited to design time flexibility. The capacity of the platform in terms of processing resources and internal ... -
Automation Platform for Radio Spectrum Measures
(Universitat Politècnica de Catalunya, 2014-06)
Bachelor thesis
Open Access[ANGLÈS] Spectrum analyzers are one of the most powerful equipment to study radio communications systems. Nowadays, due to the expansion of these systems with the consequent growth of traffic demand it is basic to study ... -
Autonomous functionalities for cognitive radio
(2009)
Conference lecture
Open AccessThis paper provides an overview on the research activities in autonomous functionalities for cognitive radio and networks, carried out in FP7/E3-project. The identified main research areas within this topic include ... -
Candidate spectral estimation for cognitive radio
(2007)
Conference report
Open AccessIntroducing a different view point of traditional filter bank approach for spectral estimation it is derived a spectral estimation method able to detect a given spectral shape forming part or contributing to a given data ... -
Caracterización indoor y ampliación de un rem (radio enviroment map) en el campus nord de la UPC
(Universitat Politècnica de Catalunya, 2015-02)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] Currently the radio spectrum is almost entirely assigned or licensed to different operators. However, from the rise of wireless technologies in the last decade, different studies conducted independently in different ... -
Characterization and exploitation of heterogeneous OFDM primary users in cognitive radio networks
(2013-08)
Article
Restricted access - publisher's policy -
Characterizing WLAN channel occupancy for cognitive networking
(Universitat Politècnica de Catalunya, 2012-07-30)
Master thesis
Open AccessThe deployment of heterogeneous wireless networks in the same spectrum space introduces the need for dynamic spectrum access so as to increase the utilization of the available wireless resources. Dynamic spectrum access ... -
Cognitive control channels: from concept to identification of implementation options
(2012-07)
Article
Restricted access - publisher's policyRecent effort related to cognitive radio systems has lead to an in-depth analysis of context information management and exploitation based on a cognitive control channel for enhancement of management needed for, ... -
Cognitive radio resource management exploiting heterogeneous primary users and a radio environment map database
(2013-08)
Article
Restricted access - publisher's policyThe efficient utilization of radio resources is a fundamental issue in cognitive radio (CR) networks. Thus, a novel cognitive radio resource management (RRM) is proposed to improve the spectrum utilization efficiency. ... -
Cognitive resource management: for all wireless access layers
(2012)
Article
Restricted access - publisher's policy