The actions taken at the initial times of a disaster are critical. Catastrophe occurs because of terrorist acts or natural hazards which have the potential to disrupt the infrastructure of wireless communication networks. Therefore, essential emergency functions such as search, rescue, and recovery operations during a catastrophic event will be disabled. We propose tethered balloon technology to provide efficient emergency communication services and reduce casualty mortality and morbidity for disaster recovery. The tethered balloon is an actively developed research area and a simple solution to support the performance, facilities, and services of emergency medical communication. The most critical requirement for rescue and relief teams is having a higher quality of communication services which enables them to save people's lives. Using our proposed technology, it has been reported that the performance of rescue and relief teams significantly improved. OPNET Modeler 14.5 is used for a network simulated with the help of ad hoc tools (Disaster Med Public Health Preparedness. 2019;13:203-210).
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http://dx.doi.org/10.1017/dmp.2018.19 | DOI Listing |
Entropy (Basel)
December 2024
College of Information Engineering, Shanghai Maritime University, Shanghai 201306, China.
Natural disasters can severely disrupt conventional communication systems, hampering relief efforts. High-altitude tethered balloon base stations (HATBBSs) are a promising solution to communication disruptions, providing wide communication coverage in disaster-stricken areas. However, a single HATBBS is insufficient for large disaster zones, and limited resources may restrict the number and energy capacity of available base stations.
View Article and Find Full Text PDFJ Pediatr Urol
October 2024
Department of Paediatric Urology, West London Children's Hospital Alliance, Chelsea & Westminster Hospital Foundation Trust, 369 Fulham Road, London SW10 9NH, United Kingdom; Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom. Electronic address:
Introduction: Vesicostomy button drainage is a recognised alternative to clean intermittent catheterization (CIC) in children with urethral obstruction, sensate urethra or neurological/behavioural issues.
Aim: To report the indications, complications and long-term bladder functional outcomes in a 15-year cohort of patients with button vesicostomy.
Materials And Methods: AMT Mini one gastrostomy button was inserted via a surgical vesicostomy, or percutaneously under cystoscopic guidance.
Environ Sci Pollut Res Int
June 2024
Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona, 18-26, 08034, Barcelona, Catalonia, Spain.
Understanding the chemical composition of volatile organic compounds (VOCs) near emission sources and in the background atmosphere above the mixing layer height (MLH) provides insight into the fate of VOCs and is essential for developing effective air pollution control strategies. Unfortunately, knowledge of the qualitative and quantitative changes of VOCs and their vertical transport in the atmosphere is limited due to challenging experimental setups. In this study, an innovative method using tethered balloons was tested and implemented to sample 40 VOCs and O below and above the MLH at an industrial site in Spain.
View Article and Find Full Text PDFEnviron Sci Technol
June 2024
Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory (PNNL), Richland, Washington 99352, United States.
Atmospheric particles play critical roles in climate. However, significant knowledge gaps remain regarding the vertically resolved organic molecular-level composition of atmospheric particles due to aloft sampling challenges. To address this, we use a tethered balloon system at the Southern Great Plains Observatory and high-resolution mass spectrometry to, respectively, collect and characterize organic molecular formulas (MF) in the ground level and aloft (up to 750 m) samples.
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