Cognitive radio (CR), as a concept based on the ability to detect and share the unutilised
spectrum, has been envisioned as a promising candidate to improve the efficiency of …

Spectrum sensing is the basic and essential mechanisms of Cognitive Radio (CR) to find the
unused spectrum. This paper presents an overview of CR architecture, discusses the …

Cognitive radio networks (CRN) based on spectrum sensing represent intelligent wireless
communication technology dedicated to a more efficient exploitation of the available …

This paper proposes an implementation-friendly maximum-minimum-eigenvalue (MME)-
based spectrum sensing algorithm for cognitive radio network. An iterative power method …

The generalized detector (GD) can be implemented at the low signal-to-noise ratio (SNR) in
cognitive radio (CR) systems to improve the spectrum sensing performance under correlated …

This paper presents implementation friendly VLSI-algorithms for maximum-eigenvalue-
detection (MED), energy with minimum-eigenvalue (EME), and mean-to-square extreme …

Due to the capability of the effective usage of the radio frequency spectrum, a concept
known as cognitive radio has undergone a broad exploitation in real implementations …

Cognitive Radio is a novel concept that has invoked a paradigm shift in wireless
communication and promises to solve the problem of spectrum underutilization. Spectrum …

Spectrum sensing is the key factor of cognitive radio for efficient utilization of the spectrum
resources by identifying and making use of spectrum holes. An attempt has been made to …

Cognitive Radio (CR) is an intelligent technique for opportunistic access of idle resources. In
CR, Spectrum sensing is one of its important key functionalities. It is used to sense the …