In this paper, energy efficiency for cooperative spectrum sensing in cognitive radio network is investigated and optimized. The novel mathematical formulation of energy efficiency …
X Liu, G Bi, YL Guan, W Lu, J Yan… - Transactions on …, 2015 - Wiley Online Library
Cognitive radio (CR) allows a secondary user (SU) to utilise the spectrum allocated to the primary user (PU) on the premise of detecting the absence of PU by spectrum sensing. The …
G Sharma, R Sharma - Wireless Personal Communications, 2022 - Springer
Cooperative spectrum sensing (CSS) can resolve the hidden terminal problem in cognitive radio (CR) networks. In CSS, the unlicensed users also known as secondary users (SUs) …
X Liu, M Jia, X Gu, X Tan - Sensors, 2013 - mdpi.com
The performance of cooperative spectrum sensing in cognitive radio (CR) networks depends on the sensing mode, the sensing time and the number of cooperative users. In order to …
W Zhong, K Chen, X Liu - China Communications, 2017 - ieeexplore.ieee.org
In order to improve the energy efficiency (EE) in cognitive radio (CR), a joint optimal energy- efficient cooperative spectrum sensing (CSS) and transmission in multi-channel CR is …
X Wu, JL Xu, M Chen, JB Wang - EURASIP Journal on Wireless …, 2014 - Springer
In a cognitive radio network (CRN), when the secondary users (SUs) are battery-powered devices, the concept of energy-efficient design is very important. The sensing time and the …
X Liu, WZ Zhong, K Chen - Journal of Central South University, 2015 - Springer
In order to improve the throughput of cognitive radio (CR), optimization of sensing time and cooperative user allocation for OR-rule cooperative spectrum sensing was investigated in a …
Y Gao, W Xu, K Yang, K Niu… - 2013 IEEE wireless …, 2013 - ieeexplore.ieee.org
With the continuous growth of the wireless communication business, energy issues and environmental problems are becoming increasingly grim. Therefore, this paper investigates …
X Liu - International Journal of Network Management, 2014 - Wiley Online Library
SUMMARY A conventional cognitive radio network (CRN) uses the spectrum of the licensed primary network (PN) on the premise of detecting the absence of the PN by the spectrum …