True-Asynchronous Transmission Modeling and Software-Defined-Radio Experimental Testbed for Cognitive Radio Ad-Hoc Wireless Networks

CH Kuo, GC Yang, D Chacko… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The designs and analyses of “asynchronous” channel-hopping (CH) sequences were
traditionally based on a “slot-synchronous” assumption. This assumption could not truly …

A survey on simulation tools and testbeds for cognitive radio networks study

Q Dong, Y Chen, X Li, K Zeng - arXiv preprint arXiv:1808.09858, 2018 - arxiv.org
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 …

Spectrum sensing based on energy detection algorithms using GNU radio and USRP for cognitive radio

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 …

Design of a radio direction finder for search and rescue operations: estimation, sonification, and virtual prototyping

D Poirier-Quinot - 2015 - theses.hal.science
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 …

An empirical model of the SBX daughter board output power driven by USRP N210 and GNU Radio based Software Defined Radio

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 …

Experimental study of an underlay cognitive radio system: Model validation and demonstration

H Becker, A Kaushik, SK Sharma, S Chatzinotas… - … Radio Oriented Wireless …, 2016 - Springer
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 …

DDSAT: Distributed dynamic spectrum access protocol implementation using gnuradio and usrp

MHM Elsayed, AA El-Sherif, A Mohamed - arXiv preprint arXiv:1412.4999, 2014 - arxiv.org
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 …

Energy Detection Based Multi-Bands Spectrum Sensing Using Adaptive Threshold

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 …

[PDF][PDF] Cognitive Radio Solution For Ultra Dense 5G Radio Communications

MY Abdallah, DM Ali - uoninevah.edu.iq
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 …

Implementation and performance evaluation of dynamic spectrum access using software defined radios

GS Uyanik, Ö Cepheli, GK Kurt… - 2013 First International …, 2013 - ieeexplore.ieee.org
Along with the proliferation of wireless communication with diverse services and
applications, effective spectrum usage remains a challenge. Cognitive radio networks …