Results 31 to 40 of about 285 (138)
This work presents an innovative amplitude‐phase reconfigurable metasurface designed to construct a robust multi‐channel wireless communication framework. Notably, the signal is modulated in the spatial domain without involving time modulation. First, it generates desired scattering beams through beamforming to establish multiple channels.
Qi Xiong +11 more
wiley +1 more source
Modulation Recognition System of Electromagnetic Interference Signal Based on SDR
Considering the electromagnetic interference signal in non-cooperative communication, an automatic modulation identification and detection system of electromagnetic interference signal based on software defined radio is proposed.
Wei Dai, Changpeng Ji
doaj +1 more source
Software Defined Radio (SDR) is a technology that supports full-features of instructions to deal with and simulate the digital and analog communications. The SDR systems encompass the platform of networked series of the Universal Software Radio Peripheral (USRP) providing a complete stand-alone radio system to acquire and ...
A. F. Abdullah +3 more
openaire +1 more source
Signal Quality of a Wideband SDR Transceiver Under Varying Frequency Deviation
This study examines the quality of an audio signal received via a Software-Defined Radio (SDR) peripheral for Wideband Frequency Modulation (WBFM). The objective is to evaluate the impact of varying the maximum frequency deviations of the modulator ...
Hernán Paz Penagos
doaj +1 more source
Signals of Opportunity, moments extraction using HackRF One
For reliable operation, next-generation autonomous agents will need enhanced situational perception as well as precise navigation capabilities. The global navigation satellite system (GNSS) signals that are utilized by practically all modern positioning ...
Souli Nicolas
core +1 more source
Global Navigation Satellite System Meta-Signals with an Arbitrary Number of Components
Global Navigation Satellite System (GNSS) meta-signals are obtained when components from different frequencies are jointly processed as a single entity.
Daniele Borio
doaj +1 more source
Security threats of satellite navigation receivers
Global Navigation Satellite System (GNSS) receivers are the cornerstone of several modern systems: from smartphones to military applications. Therefore, their security is of utmost importance.
Galan Figueras, Aleix
core +1 more source
To address the growing security risks posed by unauthorized unmanned aerial vehicle (UAV) activities, this paper proposes a real-time two-dimensional direction-finding (DF) system for UAVs based on radio frequency (RF) signals.
Jizan Zhu +4 more
doaj +1 more source
SATELLITE DEMODULATION UTILIZING THE HACKRF ONE, BEAGLEBONE BLACK, AND GNU RADIO
Satellite signals are an efficient means of receiving data in remote environments. By monitoring satellite signals, a device can be controlled in remote locations, long range communications intercepted, and local sensory data collected. It is possible to
Tschritter, Cole
core
Design, Testing and Analysis of an Affordable Direction of Arrival System Using Off-The-Shelf SDR Hardware and Software [PDF]
The growing use of wireless communication increases the need for devices to determine the location of the signal source. Affordable, accessible and universal devices can have a great role in addressing this aside precision tools.
Amor, Erik
core

