Efficient utility of radio spectrum has been a hot topic as the wireless communication spectrum is a precious resource. The past decade has witnessed intensive research in …
CV Năstase, A Marţian, C Vlădeanu… - 2018 International …, 2018 - ieeexplore.ieee.org
Cognitive Radio technology focuses on the efficient use of the radio frequency spectrum. One of the challenging tasks for secondary users (SUs) is Spectrum Sensing., used to …
This research investigates the design of a radio Direction Finder (DF) for rescue operation using victims' cellphone as localization beacons. The conception is focused on an audio …
R Zitouni, S Ataman - … Multi-Conference on Systems, Signals & …, 2015 - ieeexplore.ieee.org
In this paper, we propose an empirical model based on Radio Frequency (RF) measurements. The output power is measured sweeping a frequency band from 350 MHz to …
Cognitive radio is one of the potential contenders that address the problem of spectrum scarcity by making efficient use of the currently allocated spectrum below 6 GHz. A …
Frequency spectrum is one of the valuable resources in wireless communications. Using cognitive radio, spectrum efficiency will increase by making use of the spectrum holes …
DM Ali, MY Abdulla - 2022 Muthanna International Conference …, 2022 - ieeexplore.ieee.org
The primary notion of cognitive radio (CR) focuses on a sensing technique, that is a significant operation in the process of discovering free holes in the licensed and unlicensed …
To meet the increase in wireless services and applications for the Fifth Generation (5G), the Ultra-Dense Network (UDN) has recently evolved as one of the key enabler technologies for …
Along with the proliferation of wireless communication with diverse services and applications, effective spectrum usage remains a challenge. Cognitive radio networks …