In this article, the multi-antenna cooperative spectrum sensing problem in cognitive radio
networks is investigated over Riemannian manifold. At the beginning, a signal matrix is …

Due to random arrivals of primary-user signals, the timing misalignment issue should be
considered for spectrum sensing in cognitive radio (CR) systems, such as CR-based …

In cognitive radio (CR), cooperative spectrum sensing (CSS) employs a fusion of multiple
decisions from various secondary user (SU) nodes at a central fusion center (FC) to detect …

In this paper, a novel method based on data fusion scheme and genetic algorithm is
proposed to improve the cooperative spectrum sensing (CSS) performance. Firstly, to …

With the development of wireless communication technology, electromagnetic spectrum
become scare resources. The accuracy of spectrum detection needs to be improved. In the …

In cognitive radio (CR) networks, the role of spectrum sensing (SS) is crucial to enable an
efficient exploitation of the radio spectrum resource. The need to measure spectrum …

This work addresses the issue of spectrum sensing with random arrival and departure of
primary signals. We first design a convolutional neural network (CNN) with outputs as the …

As mentioned before, the energy detector senses spectrum holes by determining whether
the primary signal is absent or present in a given frequency slot. The energy detector …

In this paper, the spectrum sensing problem is investigated under the context of information
geometry and a novel clustering algorithm based spectrum sensing scheme is developed to …

The dynamic spectrum access strategy of secondary users (SUs) of software radio can
effectively improve the utilization rate of electromagnetic spectrum resources. The signal …