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Tytuł: Mobility-Aware, Correlation-Based Node Grouping and Selection for Cooperative Spectrum Sensing, Journal of Telecommunications and Information Technology, 2014, nr 2

Autor:

Bogucka, Hanna ; Benedetto, Maria Gabriella Di ; Cichoń, Krzysztof ; Nardis, Luca De

Data wydania:

2014, nr 2

Typ zasobu:

artykuł

Opis:

Cooperative spectrum sensing has been proposed as a solution to increase the sensing function accuracy in cognitive radio networks, but the research has, so far, mainly focused on static scenarios, all but neglecting the impact of mobility on spectrum sensing. In this work a novel cooperative spectrum sensing scheme for mobile cognitive networks, based on a correlation-based, mobility-aware node selection algorithm is proposed. Correlation among sensing decisions is used to divide nodes into groups, and mobility is taken into account in the group leaders selection by means of a node selection metric that considers both sensing performance and mobility. Performance of the proposed algorithm is evaluated by computer simulations taking into account mobility and a detailed modeling of temporal and spatial correlation of fading and shadowing components in the channel path loss, going way beyond the performance evaluation carried out in previous works on correlation-based cooperative sensing schemes. Simulation results highlight that the proposed metric leads to a signi cant increase of the update period required to maintain acceptable sensing performance, and correspondingly to a strong reduction in the overhead caused by the grouping and node selection procedure.

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy, Warszawa

Format:

application/pdf

Identyfikator zasobu:

ISSN 1509-4553, on-line: ISSN 1899-8852 ; oai:bc.itl.waw.pl:1678

Źródło:

Journal of Telecommunications and Information Technology

Język:

ang

Prawa:

Biblioteka Naukowa Instytutu Łączności

Temat i słowa kluczowe:

mobility cognitive radio node grouping cooperative spectrum sensing node selection

Kolekcje, do których przypisany jest obiekt:

Data ostatniej modyfikacji:

18 sie 2014

Data dodania obiektu:

18 sie 2014

Liczba wyświetleń treści obiektu:

231

Wszystkie dostępne wersje tego obiektu:

https://bc.itl.waw.pl/publication/1956

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Wyświetl opis w formacie OAI-PMH:

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Nazwa wydania Data
Cichoń, Krzysztof; Bogucka, Hanna; Nardis, Luca De; Benedetto, Maria Gabriella Di,Mobility-Aware, Correlation-Based Node Grouping and Selection for Cooperative Spectrum Sensing, Journal of Telecommunications and Information Technology, 2014, nr 2 18 sie 2014

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Instytut Łączności – Państwowy Instytut Badawczy ul. Szachowa 1 04-894 Warszawa

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