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Wyszukujesz frazę "cooperative wireless networks" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Reliable and High QoS Wireless Communications over Harsh Environments
Autorzy:
Bilbao, J.
Calvo, A.
Armendariz, I.
Crespo, P.
Powiązania:
https://bibliotekanauki.pl/articles/307844.pdf
Data publikacji:
2013
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
cooperative wireless networks
multicasting management techniques
next generation networks
opportunistic wireless
quality and performance evaluation
QoS
reliability and performance modelling
reliability of networks
wireless and mobile networks
Opis:
One of the most challenging research fields in which research community has taken a very active role is focused on trying to bring the features of wireless networks into line with the traditional wired solutions. Given the noisy and lossy nature of the wireless medium, it is more difficult to provide a comparable Quality of Service (QoS) and Reliability over wireless networks. This lack of reliability avoids the use of wireless solution in scenarios under harsh environment and mission-critical applications. In this paper we propose an inter-node collaborative schema with the aim of improving the achievable QoS level for multicast streaming, through the use of Network Coding and the algebra it is based on. We also present an implementation of the described algorithm on the OPNET discrete event simulation tool. Experimental results highlighting the performance achieved by the proposed algorithm and its improved efficiency as compared to other solutions are described.
Źródło:
Journal of Telecommunications and Information Technology; 2013, 1; 32-40
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
EARPC – Energy Aware Routing Protocol for Cooperative MIMO Scheme in WSNs
Autorzy:
Reddy, Kummathi Chenna
Devanagavi, Geetha D.
Thippeswamy, M. N.
Powiązania:
https://bibliotekanauki.pl/articles/309128.pdf
Data publikacji:
2020
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
cluster head
cooperative MIMO
virtual MIMO
wireless sensor networks
Opis:
Wireless sensor networks are typically operated on batteries. Therefore, in order to prolong network lifetime, an energy efficient routing algorithm is required. In this paper, an energy-aware routing protocol for the co-operative MIMO scheme in WSNs (EARPC) is presented. It is based on an improved cluster head selection method that considers the remaining energy level of a node and recent energy consumption of all nodes. This means that sensor nodes with lower energy levels are less likely to be chosen as cluster heads. Next, based on the cooperative node selection in each cluster, a virtual MIMO array is created, reducing uneven distribution of clusters. Simulation results show that the proposed routing protocol may reduce energy consumption and improve network lifetime compared with the LEACH protocol.
Źródło:
Journal of Telecommunications and Information Technology; 2020, 3; 22-27
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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