This paper proposes a novel cooperative spectrum sensing network (CSSN) with improved energy detector (IED) based cognitive radio (CR) users. Every CR user is furnished with …
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 …
NR Banavathu, MZA Khan - IEEE Signal Processing Letters, 2019 - ieeexplore.ieee.org
This letter considers cooperative spectrum sensing (CSS) in a heterogeneous cognitive radio network, where K nonidentical cognitive users (CUs) and a fusion center (FC) …
S Nallagonda - International Journal of Communication …, 2023 - Wiley Online Library
The analysis of spectrum sensing performance of energy detection (ED)‐based wireless cognitive radio sensor network (ED‐WCRSN) with hard‐decision combining (HDC) is …
S Nallagonda, R Mamidi… - International Journal of …, 2021 - Wiley Online Library
Cognitive radio (CR) is an advanced technique used for the utilization of radio spectrum. A CR node uses the radio spectrum of a licensed user (called as primary user, PU) deviously …
In this paper, we propose a cooperative cognitive radio network (CCRN) based on energy detection and hard-decision fusion. The performance characteristics are investigated …
In order to address the issue of spectrum scarcity, cognitive radio (CR) offers an effective usage of radio spectrum resources by offering dynamic spectrum access. One kind of …
This paper presents, optimization analysis of energy detection based cooperative spectrum sensing system (CSSS) with hard-decision combining. Several system parameters are …
Non-cooperative scenarios in cognitive wireless sensor network (CWSN) are often encountered with shadowing and hidden terminal issues. Cooperative spectrum sensing …