The MIMO wiretap channel comprises a passive eavesdropper that attempts to intercept
communications between an authorized transmitter-receiver pair, with each node being …

The emerging cognitive radio-based Internet-of-Things (CR-IoT) network provides a novel
paradigm solution for IoT devices to efficiently utilize spectrum resources. Spectrum sensing …

Cognitive radio (CR) is the trending domain in addressing the inadequate bands for
communication, and spectrum sensing is the hectic challenge need to be addressed …

Spectrum sensing in Cognitive radio (CR) is a way to improve spectrum utilization by
detecting spectral holes to achieve a dynamic allocation of spectrum resources. As it is often …

This paper addresses the problem of spectrum sensing (SS) in cognitive radio networks
utilizing multiple-input multiple-output (MIMO) technology, even when the receivers are not …

Recently, cognitive unmanned aerial vehicle (UAV) communications, which exploit
unlicensed spectrum opportunistically, have garnered significant attention. Spectrum …

With increasing development of 5 G technology, the rapid growth of various technologies
and the growth of various wireless devices, demand for wireless spectrum becomes more …

该文提出一种基于阵列天线和协方差矩阵的频谱感知算法, 该算法能够在噪声不确定性的条件下
进行盲频谱感知. 该算法在协方差矩阵的基础上, 构建新的检测统计量, 推导判决门限 …

Background & Objective: This paper proposes a modified eigenvalue-based Generalized
Likelihood Ratio Test (GLRT). The proposed model is appropriate for cognitive wireless …

In cognitive radio networks, secondary users (SUs) utilize the unused spectrum slots in the
assigned band for the primary users (PUs). Conventional cognitive radio networks operate …