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Wireless Networks
Erschienen in: Wireless Networks 8/2019

16.05.2018

Performance optimization for energy harvesting cognitive cooperative networks with imperfect spectrum sensing

verfasst von: Yao Wang, Xiaohui Zhao, Hui Liang

Erschienen in: Wireless Networks | Ausgabe 8/2019

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Abstract

In this paper, considering imperfect spectrum sensing in a cognitive cooperative system, we study the performance optimization for throughput maximization of secondary user (SU) and average delay minimization under maximum delay constraint of primary user (PU) with harvested energy from radio frequency signal of active PU by cooperative SU. We use a one-dimension linear search method to decompose the two optimization problems due to the non-convexity of the original optimization. We prove that the above maximization and minimization have same forms of solution under the same constraints. Simulation results indicate that the throughput performance of SU is higher than that of traditional cognitive system.
Vorheriger Artikel MACHFL-FT: a fuzzy logic based energy-efficient protocol to cluster heterogeneous nodes in wireless sensor networks
Nächster Artikel Throughput analysis of cooperative cognitive radio network over generalized κ–μ and η–μ fading channels

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Metadaten
Titel
Performance optimization for energy harvesting cognitive cooperative networks with imperfect spectrum sensing
verfasst von
Yao Wang
Xiaohui Zhao
Hui Liang
Publikationsdatum
16.05.2018
Verlag
Springer US
Erschienen in
Wireless Networks / Ausgabe 8/2019
Print ISSN: 1022-0038
Elektronische ISSN: 1572-8196
DOI
https://doi.org/10.1007/s11276-018-1754-8

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