Cognitive dynamic systems: Radar, control, and radio [point of view]

S Haykin - Proceedings of the IEEE, 2012 - ieeexplore.ieee.org
In this article on cognitive dynamic systems, the progress made and the way forward on this
multidisciplinary integrative field has been reviewed. The following topics has been …

Equal gain combining for cooperative spectrum sensing in cognitive radio networks

D Hamza, S Aïssa, G Aniba - IEEE Transactions on wireless …, 2014 - ieeexplore.ieee.org
Sensing with equal gain combining (SEGC), a novel cooperative spectrum sensing
technique for cognitive radio networks, is proposed. Cognitive radios simultaneously …

Energy and throughput efficient cooperative spectrum sensing in cognitive radio sensor networks

W Ejaz, GA Shah, N Hasan… - Transactions on Emerging …, 2015 - Wiley Online Library
The sensing‐throughput trade‐off and the sensing‐energy trade‐off for cooperative
spectrum sensing have been the subject of recent research. Two important, but often …

Threshold optimization of cooperative spectrum sensing in cognitive radio networks

X Liu, M Jia, X Tan - Radio Science, 2013 - ieeexplore.ieee.org
We consider the threshold optimization problem of cooperative spectrum sensing for
cognitive radio (CR) and investigate the threshold optimization algorithm for both single …

Cooperative spectrum sensing under a random geometric primary user network model

KW Choi, E Hossain, DI Kim - IEEE Transactions on Wireless …, 2011 - ieeexplore.ieee.org
We propose a novel cooperative spectrum sensing algorithm for a cognitive radio (CR)
network to detect a primary user (PU) network that exhibits some degree of randomness in …

Performance of joint spectrum sensing and MAC algorithms for multichannel opportunistic spectrum access ad hoc networks

J Park, P Pawelczak, D Cabric - IEEE Transactions on Mobile …, 2010 - ieeexplore.ieee.org
We present an analytical framework to assess the link layer throughput of multichannel
Opportunistic Spectrum Access (OSA) ad hoc networks. Specifically, we focus on analyzing …

Optimization of cooperative spectrum sensing with sensing user selection in cognitive radio networks

H Yu, W Tang, S Li - EURASIP journal on wireless communications and …, 2011 - Springer
Cooperative spectrum sensing (CSS) can improve the spectrum sensing performance by
introducing spatial diversity in cognitive radio networks (CRNs). However, such cooperation …

Sensing-energy tradeoff in cognitive radio networks with relays

S Huang, H Chen, Y Zhang, HH Chen - IEEE systems journal, 2012 - ieeexplore.ieee.org
Earlier works studied the tradeoff between sensing performance and throughput of
secondary users (SUs) for cooperative spectrum sensing. However, The tradeoff between …

Quality of experience driven multi-user video streaming in cellular cognitive radio networks with single channel access

Z He, S Mao, S Kompella - IEEE Transactions on Multimedia, 2016 - ieeexplore.ieee.org
We investigate the problem of streaming multi-user videos over the downlink of a cognitive
radio network (CRN), where each cognitive user (CU) can access one channel at a time. We …

Hybrid coherent/energy detection for cognitive radio networks

F Moghimi, R Schober, RK Mallik - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
Cognitive radio (CR) networks require reliable spectrum sensing in order to avoid
interference to the primary users of the spectrum. Most existing spectrum sensing techniques …