cognitive radio
Top PDF cognitive radio:
Systematic construction of common channel hopping rendezvous strategies in cognitive radio networks
... Cognitive radio networks (CRNs) have emerged as a promising paradigm that can solve the shortage of spectrum resources, providing the ability to adapt and opportunistically exploit the spectrum ...allows ...
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Fully Distributed Cooperative Spectrum Sensing for Cognitive Radio Networks
... In order to identify network nodes, we take advantage of the fact that CRNs are suitable for more powerful devices than sensor networks are, so we take a public key infrastructure (PKI) approach to initialize the ...
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Performance analysis of a cognitive radio contention aware channel selection algorithm
... protocols, radio resource management, cross-layer optimization, cooperative transmissions, cognitive radio and QoS features for all kind of wireless communications ...
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A Secure and Anonymous Cooperative Sensing Protocol for Cognitive Radio Networks
... the cognitive radio standard for Wireless Regional Area Networks -WRAN- to detect a new incumbent signal in the network) so it has to be very effi- ...
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Expected time to rendezvous in multi hop cognitive radio networks
... Cognitive radio networks (CRNs) has emerged as a tech- nology that can solve the shortage of the spectrum by oppor- tunistically exploiting ...two cognitive users, also known as Secondary Users ...
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A cognitive radio based method for improving availability in body sensor networks
... of cognitive radio (CR) technology into BSNs can mitigate such a threat and improve network availability, by allowing network nodes to cooperatively agree on a new radio channel whenever the quality ...
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Efficiency improvement of HF communications using cognitive radio principles
... Cognitive Radio principles can be applied to HF communications to make a more efficient use of the extremely scarce spectrum. In this contribution we focus on analyzing the usage of the available channels ...
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Improvement of a fully distributed cooperative spectrum sensing protocol for cognitive radio networks
... Abstract—Spectrum sensing is a key process in the context of Cognitive Radio Networks because the system requires finding white-spaces (portions of spectrum free of their rightful user). Collaborative ...
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Evaluation of Efficiency Techniques for Spectrum Decision Making in Cognitive Radio Wireless Networks
... Abstract – The level of success of spectral decision in cognitive radio networks depends on how good the prediction model of channel usage is in both licensed and unlicensed bands. In this article three ...
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Análisis De Factibilidad Para La Utilización De Cognitive Radio (Radio Cognoscitiva) En Las Radiocomunicaciones Necesarias Para Casos De Emergencia En El Ecuador
... de Cognitive Radio tiene el potencial para actuar por el usuario (como un agente autónomo), realizando ofertas y accediendo al pool para obtener los ...
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HF spectrum activity prediction model based on HMM for cognitive radio applications
... Moreover, while submodels were trained to char- acterise one minute-long observation sequences from available, unavailable or partially available channels, the high-level model was tra[r] ...
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Distributed cognitive radio systems with temperature-interference constraints and overlay scheme
... In the paper, we analyze the properties of the game within the theory of variational inequalities, and provide an algorithm that converges to one Nash Equilibrium of the game.. Finall[r] ...
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Las técnicas Cognitive Radio y Software Defined Radio en las comunicaciones rurales: la recomendación IEEE 802.22
... de radio creciente, tales como la revisión y rediseño del marco re- gulatorio, la reducción de los servicios inalámbricos de difusión, la mejora de los estándares de compresión, ...
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Analysis of Radio communication solutions in small and isolated communities under the IEEE 802.22 standard
... develop Cognitive Radio for wireless com- munications: to detect the parts of the radio frequency spectrum used inefficiently and to allow reuse without causing interference with the services ...
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Television Activity Detection: A Statistical-Based Opportunistic Spectrum Use Approach-Edición Única
... In order to better understand the scope, purpose and goals of the proposed research work, it is important to lay out the main topics, principles and theories on which it is based. For such reason an induction is given to ...
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Cognitive strategies for reducing energy consumption in wireless sensor networks
... simulators, in particular WSNs simulators. There are several WSNs simulators used by researchers when developing their work. For example, NS2 [97] is one of the most well-known simulators together with OMNETT++ [98]. A ...
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Modelo Neuro Difuso para la Predicción de la Ocupación Espectral
... Hence, cognitive radio (CR) must have the capacity to learn and adapt to the radio environment ...parameters. Cognitive radio has not been detached to this process and has required the ...
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LEXICOGRAPHY AND COGNITIVE LINGUISTICS: HEBREW METAPHORS FROM A COGNITIVE PERSPECTIVE
... In both dictionaries semantic domains play a crucial role. This is important because words do not have meaning in a vacuum. The meaning behind a word can only be fully understood when it is studied within its semantic ...
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Nuevo modelo de radio en Internet: la Radiovisión Estudio de caso de la Cadena SER
... Pacheco Barrios (2009) considera la influencia de la televisión como uno de razones principales para que las radios desarrollen nuevas fórmulas y evitar así la huida de oyentes. La televisión puede presumir de ser el ...
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Creativity & Cognitive Closure
... Highlighting its reconstructive function to transform the typical into the particular, creativity has been a key concept in nearly all areas of life. However, the mimicry of masters is accepted as a fundamental step to ...
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