Results 91 to 100 of about 26,386 (211)

Route Selection for Multi-Hop Cognitive Radio Networks Using Reinforcement Learning: An Experimental Study

open access: yesIEEE Access, 2016
Cognitive radio (CR) enables unlicensed users to explore and exploit underutilized licensed channels (or white spaces). While multi-hop CR network has drawn significant research interest in recent years, majority work has been validated through ...
Aqeel Raza Syed   +5 more
doaj   +1 more source

Implementation of an Electronic Ionosonde to Monitor the Earth’s Ionosphere via a Projected Column through USRP

open access: yesSensors, 2017
This document illustrates the processes carried out for the construction of an ionospheric sensor or ionosonde, from a universal software radio peripheral (USRP), and its programming using GNU-Radio and MATLAB. The development involved the in-depth study
Jhon Jairo Barona Mendoza   +2 more
doaj   +1 more source

Radio interference analysis tool based on GNU Radio

open access: yes, 2019
Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech.
Yébenes Gálvez, José Antonio   +4 more
openaire   +1 more source

Implementation of Indoor 4G Signal Interference Detection using USRP B210 and RTL-SDR

open access: yesSistemasi: Jurnal Sistem Informasi
Signal interference is one of the main challenges in maintaining the quality of 4G network services, particularly in indoor environments with complex propagation characteristics.
Ciksadan Ciksadan   +2 more
doaj   +1 more source

Susceptibility to Translational Landslides in Ecuador Caused by Changes in Electrical Permittivity of Andepts Soils Using Software-Defined Radar for Detection

open access: yesEarth
Landslides are widespread and global geological disasters, affecting millions of people and causing numerous deaths each year. Despite technological advances, it is still difficult to accurately prevent landslides.
Diego Veloz-Cherrez   +3 more
doaj   +1 more source

Radiocomunicaciones con radio definida por software y GNU Radio

open access: yes, 2023
Once the origin and basis of software-defined radio are introduced, the theoretical foundation of analogical and digital modulations will be addressed below in order to carry out further simulation experiments through GNU Radio software. At a first stage, said simulations will take place within the same unit so as to subsequently implement its ...
openaire   +1 more source

Improving the Reliability of Long-Range Communication against Interference for Non-Line-of-Sight Conditions in Industrial Internet of Things Applications

open access: yesApplied Sciences
LoRa technology, renowned for its low-power, long-range capabilities in IoT applications, faces challenges in real-world scenarios, including fading channels, interference, and environmental obstacles.
Boubaker Abdallah   +5 more
doaj   +1 more source

Teknik Pengiriman File Audio Berbasis Software Defined Radio pada Kanal Komunikasi dalam Ruangan dengan Multicarrier OFDM

open access: yesJurnal Elkomika
ABSTRAK Transmisi audio pada kanal indoor dipengaruhi oleh efek multipath fading yang dapat mengganggu kualitas sinyal. Multicarrier OFDM digunakan sebagai solusi untuk mengatasi fenomena ini.
FIGA AGHANI ROSYID   +2 more
doaj   +1 more source

Implementazione di un ricevitore GPS in tecnologia "Software Defined Radio" su periferica USRP [PDF]

open access: yes
Tesi riguardante il problema del passaggio da front-end Signal Tap a USRP e le modifiche apportate al SoftRec (ricevitore GPS realizzato in software) per renderlo compatibile con il nuovo front-end.
LUCAFERRO, ALESSANDRO
core  

Performance Analysis of OFDM under AWGN and Rayleigh Fading Channels Based on Software Defined Radio

open access: yesJurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems)
Orthogonal Frequency Division Multiplexing (OFDM) is a very efficient and popular modulation technique in modern wireless communication systems. OFDM offers advantages in terms of spectrum efficiency, resistance to multi-path interference, and is able to
Ivana Arum Dimarsasi   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy