Wireless public safety networks volume 1: overview and challenges

D Câmara, N Nikaein - 2015 - books.google.com
Wireless Public Safety Networks, Volume One: Overview and Challenges presents the latest
advances in the wireless Public Safety Networks (PSNs) field, the networks established by …

Low-profile two-arm inverted-L antenna design for vehicular HF communications

SA Sanghai, M Ignatenko… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Design of an electrically small, low-profile vehicular on-the-move (OTM) wideband high
frequency antenna with 24 kHz instantaneous-tuned bandwidth is discussed for near vertical …

Flexible Low-Cost SDR Platform for HF Communications: Near vertical incidence skywave preliminary results

F Orga, M Hervas… - IEEE Antennas and …, 2016 - ieeexplore.ieee.org
A new low-cost reconfigurable software-defined radio (SDR) platform for high-frequency
(HF) applications is presented in this article. The platform can work in the entire HF band (3 …

Near vertical incidence skywave: interaction of antenna and propagation mechanism

BA Witvliet - 2015 - research.utwente.nl
In areas where no telecommunication infrastructure exists, or when that infrastructure is
destroyed by a natural disaster, Near Vertical Incidence Skywave (NVIS) radio wave …

A transportable hybrid antenna-transmitter system for the generation of elliptically polarized waves for NVIS propagation research

BA Witvliet, GJ Laanstra, E Van Maanen… - 2016 10th European …, 2016 - ieeexplore.ieee.org
For empirical research on Near Vertical Incidence Skywave (NVIS) characteristic wave
propagation, a beacon transmitter system is needed that can be programmed to emit …

Enhancing disaster management by taking advantage of general public mobile devices: trends and possible scenarios

O Sébastien, F Harivelo - Wireless Public Safety Networks 1, 2015 - Elsevier
When a crisis occurs, particular infrastructures that are specific to the emergency situation
are deployed in order to support rescue operations. Indeed, those normally used may have …

[PDF][PDF] Low Profile, wideband and high-power capable antennas for diverse military platforms

SA Sanghai - 2018 - scholar.colorado.edu
Antennas and RF systems are increasingly being populated on various platforms across the
defense, industrial, and commercial sectors in recent times. The intended use cases for such …

Disaster risk reduction—availability of radio communications services at the time of space weather events

F Lefeuvre, T Tanzi - 2014 IEEE Conference on Antenna …, 2014 - ieeexplore.ieee.org
Independently of the disasters observed on Earth, more than 600 space weather events are
observed per solar cycle (11 years). When they occur during the response phase of a …

[PDF][PDF] Identification de Précurseurs de Séismes Majeurs Le rôle des orages géomagnétiques

F Lefeuvre, TJ Tanzi - Journées scientifiques de l'URSI France, 2015 - researchgate.net
Résumé Depuis la fin des années 1980 des recherches ont été initiées sur l'identification de
signaux précurseurs de séismes. Mais ce n'est que depuis quelques années que l'on …