Results 51 to 60 of about 882,304 (195)

LTE-based passive radar for drone detection and its experimental results

open access: yesThe Journal of Engineering, 2019
To satisfy growing demands of detection of illegally used drones, this study has investigated the feasibility of drone detection by passive radar exploiting wide available long-term evolution (LTE) downlink signal.
Yangpeng Dan   +5 more
doaj   +1 more source

Comunicación Basada en Radio Cognitiva sobre Radio Definido por Software

open access: yesRevista Tecnológica, 2020
En la era de la tecnología inalámbrica, la escasez del espectro radioeléctrico plantea un grave dilema para los proveedores de servicios y los operadores de telecomunicaciones.
Andy Fabricio Vega León, Andrea Guamo
doaj   +1 more source

A unified radio control architecture for prototyping adaptive wireless protocols [PDF]

open access: yes, 2016
Experimental optimization of wireless protocols and validation of novel solutions is often problematic, due to limited configuration space present in commercial wireless interfaces as well as complexity of monolithic driver implementation on SDR-based ...
Chwalisz, M   +11 more
core   +2 more sources

Variable Bandwidth Analog Channel Filters for Software Defined Radio [PDF]

open access: yes, 2001
An important aspect of Software Defined Radio is the ability to define the bandwidth of the filter that selects the desired channel. This paper first explains the importance of channel filtering.
Arkesteijn, Vincent J.   +2 more
core   +2 more sources

The Real‐Time Advanced Ionospheric Data Assimilation (AIDA) Model

open access: yesSpace Weather
The Advanced Ionospheric Data Assimilation (AIDA) is a real‐time data assimilation model of global 3D ionosphere and plasmasphere electron density. Changes in the local space environment can occur on very short timescales, particularly during disturbed ...
Benjamin Reid   +5 more
doaj   +1 more source

Implementation of Pulse Radar Waveform Based on Software Radio Platform

open access: yesMATEC Web of Conferences, 2015
Based on the frequency and phase modulated signal, the authors design some commonly-used pulse radar baseband waveform, such as linear frequency modulated waveform, nonlinear frequency modulated waveform, Costas waveform, Barker coding waveform and multi-
Wang Dong, Dong Jian, Xiao Shunping
doaj   +1 more source

Channel Sounding for the Masses: Low Complexity GNU 802.11b Channel Impulse Response Estimation

open access: yes, 2010
New techniques in cross-layer wireless networks are building demand for ubiquitous channel sounding, that is, the capability to measure channel impulse response (CIR) with any standard wireless network and node.
Firooz, Mohammad H.   +4 more
core   +1 more source

Guest editorial for the special issue on software-defined radio transceivers and circuits for 5G wireless communications [PDF]

open access: yes, 2016
Yichuang Sun, Baoyong Chi, and Heng Zhang, Guest Editorial for the Special Issue on Software-Defined Radio Transceivers and Circuits for 5G Wireless Communications, published in IEEEE Transactions on Circuits and Systems II: Express Briefs, Vol.
Chi, Baoyong, Sun, Yichuang, Zhang, Heng
core   +2 more sources

Fast Software Polar Decoders [PDF]

open access: yes, 2014
Among error-correcting codes, polar codes are the first to provably achieve channel capacity with an explicit construction. In this work, we present software implementations of a polar decoder that leverage the capabilities of modern general-purpose ...
Giard, Pascal   +3 more
core   +1 more source

Cognitive passive radar system: software defined radio and deep learning approach

open access: yesThe Journal of Engineering, 2019
Cognitive passive radar (CPR) system is amenable to electromagnetic environment cooperating and optimal strategy making tasks on account of illumination source availability and waveform evaluation. In fact, intelligence will provide performance gain from
Qing Wang   +4 more
doaj   +1 more source

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