Application of compressive sensing in cognitive radio communications: A survey
Compressive sensing (CS) has received much attention in several fields such as digital
image processing, wireless channel estimation, radar imaging, and cognitive radio (CR) …
image processing, wireless channel estimation, radar imaging, and cognitive radio (CR) …
Cooperative communications for cognitive radio networks—From theory to applications
Cognitive Radio has been recognized as a promising way to improve spectrum efficiency of
wireless communications by exploiting under-utilized licensed spectrum in temporal …
wireless communications by exploiting under-utilized licensed spectrum in temporal …
Towards energy-efficient cooperative spectrum sensing for cognitive radio networks: An overview
Cognitive radio has been proposed as a promising technology to resolve the spectrum
scarcity problem by dynamically exploiting underutilized spectrum bands. Cognitive radio …
scarcity problem by dynamically exploiting underutilized spectrum bands. Cognitive radio …
Soft decision cooperative spectrum sensing with entropy weight method for cognitive radio sensor networks
H Lin, L Du, Y Liu - IEEE Access, 2020 - ieeexplore.ieee.org
By fully utilizing the spatial gain and exploiting the multiuser diversity, cooperative spectrum
sensing can enhance the sensing accuracy. In the actual wireless environment, the effect of …
sensing can enhance the sensing accuracy. In the actual wireless environment, the effect of …
Performance evaluation of hard‐decision and soft‐data aided cooperative spectrum sensing over Nakagami‐m fading channel
KK Godugu, S Vappangi - IET Communications, 2023 - Wiley Online Library
The secondary users can opportunistically utilize the spectrum holes left by the licensed
users (also called primary users PUs) with the help of cognitive radio (CR) technology. The …
users (also called primary users PUs) with the help of cognitive radio (CR) technology. The …
Cluster-based collaborative spectrum sensing for energy harvesting cognitive wireless communication network
F Yao, H Wu, Y Chen, Y Liu, T Liang - IEEE Access, 2017 - ieeexplore.ieee.org
We consider a cluster-based collaborative spectrum sensing (CSS) scheme in energy
harvesting cognitive wireless communication network (EH-CWCN), where cognitive nodes …
harvesting cognitive wireless communication network (EH-CWCN), where cognitive nodes …
[HTML][HTML] Cooperative spectrum sensing for cognitive radio networks under limited time constraints
User cooperation for spectrum sensing in cognitive radios has been proposed in order to
improve the overall performance by mitigating multi-path fading and shadowing experienced …
improve the overall performance by mitigating multi-path fading and shadowing experienced …
How many bits should be reported in quantized cooperative spectrum sensing?
We introduce an algorithm for optimizing sensing parameters including the number of
sensing samples and the number of reporting bits of a quantization-based cooperative …
sensing samples and the number of reporting bits of a quantization-based cooperative …
Optimization of spectrum utilization in cooperative spectrum sensing
M Ali, H Nam - Sensors, 2019 - mdpi.com
This paper presents an analytical framework for the probability of spectrum hole utilization
(PSHU) of a cognitive radio system with soft cooperative spectrum sensing (CSS) under a …
(PSHU) of a cognitive radio system with soft cooperative spectrum sensing (CSS) under a …
Energy efficiency analysis of soft and hard cooperative spectrum sensing schemes in cognitive radio networks
S Althunibat, F Granelli - 2014 IEEE 79th Vehicular Technology …, 2014 - ieeexplore.ieee.org
Cooperative spectrum sensing (CSS) represents a key factor in the success of cognitive
radio networks. CSS implies that users report their local sensing results to a fusion center in …
radio networks. CSS implies that users report their local sensing results to a fusion center in …