Results 21 to 30 of about 285 (138)
Air Traffic Simulation with HackRF One
, 2021 Práce se zabývá problematikou simulace letového provozu v kontextu multilateračního přehledového systému. Technika multilaterace počítá polohu letounu coby průsečík hyperboloidů na základě rozdílů v čase příchodu zpráv z palubního transpondéru na různé ...
Mikan, Lukáš
core +1 more source
Adaptive Wi-Fi channel switching using machine learning and software-defined radio in DFS environments [PDF]
E3S Web of ConferencesDynamic Frequency Selection (DFS) plays a crucial role in ensuring coexistence between Wi-Fi systems and radar operations in the 5 GHz band. This study presents the development of an adaptive DFS system based on Software-Defined Radio (SDR) using HackRF,
Hasanah Rahmawati +5 more
doaj +1 more source
Noncooperative 802.11 MAC Layer Fingerprinting and Tracking of Mobile Devices
Security and Communication Networks, Volume 2017, Issue 1, 2017., 2017 We present two novel noncooperative MAC layer fingerprinting and tracking techniques for Wi‐Fi (802.11) enabled mobile devices. Our first technique demonstrates how a per‐bit entropy analysis of a single captured frame allows an adversary to construct a fingerprint of the transmitter that is 80.0 to 67.6 percent unique for 50 to 100 observed devices ...
Pieter Robyns +4 more
wiley +1 more source
Reconfigurable APSK-satellite co-simulation with GNU Radio hardware validation
Dianzi Jishu YingyongTo address the limitations of existing amplitude phase shift keying (APSK) modulation schemes in satellite communications, specifically their reliance on commercial chips or FPGA implementations and performance evaluations confined to ideal Gaussian ...
Wu Ziyi, Shi Shijie, Wei Longchao
doaj +1 more source
SDR y GNU Radio como plataforma para un laboratorio de comunicaciones digitales [PDF]
ReCIBE, 2019 SDR (Software Defined Radio) o radio definido por software es una tecnología flexible compuesta por una parte hardware (radio frecuencia) y otra parte basada en software (procesado en banda base).
Rogelio Jaimes Rico, Saul Lazcano Salas
doaj
Design of an SDR-Based ILS Receiver Tester for Performance Verification
Emitor: Jurnal Teknik ElektroThe ILS receiver must be tested to ensure its reliability. Commercial ILS receiver testers are prohibitively expensive. This study presents one of the first implementations of a functional portable ILS signal generator, utilizing a low-cost alternative ...
Toni, Muhammad Arif Sulaiman, Muh Wildan
doaj +1 more source
DronesSpoofing, alongside jamming of the Global Navigation Satellite System signal, remains a significant hazard during general aviation or Unmanned Aerial Vehicle operations.
Andrej Novák +3 more
doaj +1 more source
A Review of Automatic Identification System Approaches for Maritime Cyber Security
Security and Communication Networks, Volume 2026, Issue 1, 2026.The Automatic Identification System (AIS) has become a cornerstone of modern maritime navigation, traffic management, and situational awareness, enabling continuous exchange of vessel identity, position, speed, and voyage‐related information across global maritime networks. While AIS significantly enhances navigational safety and operational efficiency,
S. M. Ashfaq Uz Zaman +5 more
wiley +1 more source
Radiocomunicaciones con radio definida por software y GNU Radio [PDF]
, 2023 Conocido el origen y las bases de la radio definida por software, se explicará brevemente la fundamentación teórica de las modulaciones analógicas y digitales para proceder a realizar numerosos experimentos de simulación haciendo uso del software GNU ...
Tábara Carbajo, Marta
core
Testing and Analysis of LoRa Signal Arrival Angle Based on One‐Line Array
International Journal of Antennas and Propagation, Volume 2025, Issue 1, 2025.In complex indoor environments, localization methods based on the angle of arrival (AoA) of wireless signals have better stability. Implementing LoRa signal AoA estimation mainly contains two challenges: firstly, in LoRa devices for teaching, the chip contains only a single channel and communicates in half‐duplex due to cost and power consumption ...
Xun Yi +4 more
wiley +1 more source