Location Estimation of Beacon in MEOSAR System

This paper describes the satellite aided search and rescue system that provides services to save the lives at the distress or emergency regions. COSPAS - SARSAT is a satellite-based system designed to provide distress alert and location data to facilitate SAR operations. The ground receiver named as Local User Terminals (LUTs) is in charge of processing the incoming signal and determining the beacon position via Frequency Difference of Arrival (FDOA) and Time Difference of Arrival (TDOA) technique. A common method of calculating TDOA and FDOA is the Cross Ambiguity Function (CAF). This paper proposes the implementation of CAF map method, which is a simple method that reduces the processing complexity over CAF method and also as the ability to locate several beacons that eliminates the false location of beacons.

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Brief results of the analysis of current state and global trends in the development of The International Cospas-Sarsat Programme terminals

Informacionno-technologicheskij vestnik ◽

10.21499/2409-1650-2017-4-70-78 ◽

2017 ◽

Vol 14 (4) ◽

pp. 70-78

Author(s):

M. А. Epifanov

Keyword(s):

Import Substitution ◽

Technical Analysis ◽

Search And Rescue ◽

Batch Production ◽

Global Trends ◽

International Space ◽

Foreign Companies ◽

Current State ◽

Main Current ◽

Rescue System

The article presents brief results of the analysis of the subscriber segment of the international space search and rescue system COSPAS-SARSAT. Proposals on the nomenclature of emergency subscriber emergency terminals and direction finders are presented, which are necessary for development and production in batch production in Russia, in order to prevent a backlog in this area and to implement the import substitution program. The recommendations are developed taking into account the materials discussed at the working technical groups, the Joint Committee and the COSPAS-SARSAT Council in recent years, as well as the results of the technical analysis of the nomenclature of terminals produced and developed by foreign companies. In addition, the development of recommendations takes into account the main current and prospective directions for the development of Russia's economy and industry.

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The concept of the model of air search and rescue system

WUT Journal of Transportation Engineering ◽

10.5604/01.3001.0014.6741 ◽

2021 ◽

Vol 132 ◽

pp. 7-18

Author(s):

Norbert Chamier-Gliszczyński ◽

Jerzy Fiuk

Keyword(s):

Environmental Conditions ◽

Search And Rescue ◽

System Model ◽

Rescue Operation ◽

Scientific Approach ◽

Rescue System ◽

The Subject

The article introduces a short outline of the concept of a scientific approach to the subject of search and rescue. Next, the model presents the mapping of selected assets with an indication of the assets essential for the rescue operation's configuration critical to the system. The crucial elements of the rescue operation that must be included in the model are: determining the location of the sought entity, environmental conditions during the rescue operation, survival conditions at the crash site, available assets (e.g. helicopters, described in the system model), the structure of the necessary commands to manage a rescue operation.

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Comments on ‘Constrained total least‐squares localisation algorithm using time difference of arrival and frequency difference of arrival measurements with sensor location uncertainties’

IET Radar Sonar & Navigation ◽

10.1049/iet-rsn.2013.0171 ◽

2014 ◽

Vol 8 (6) ◽

pp. 692-693 ◽

Cited By ~ 4

Author(s):

Fuyong Qu ◽

Xiangwei Meng

Keyword(s):

Least Squares ◽

Total Least Squares ◽

Time Difference ◽

Frequency Difference ◽

Sensor Location ◽

Time Difference Of Arrival

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Search and Rescue System Based on NB-IoT Wearable Device

Advances in Wireless Technologies and Telecommunication - Principles and Applications of Narrowband Internet of Things (NBIoT) ◽

10.4018/978-1-7998-4775-5.ch009 ◽

2021 ◽

pp. 195-222

Author(s):

Christos J Bouras ◽

Apostolos Gkamas ◽

Spyridon Aniceto Katsampiris Salgado ◽

Nikolaos Papachristos

Keyword(s):

Energy Efficiency ◽

Internet Of Things ◽

High Probability ◽

Search And Rescue ◽

Portable Device ◽

Battery Life ◽

Area Network ◽

Wide Area Network ◽

Rescue System ◽

Getting Lost

This chapter presents the design and development of a search and rescue (SAR) system, for the location and provision of aid to people who are missing or in imminent danger, especially those belonging to population groups with a particularly high probability of getting lost. With the use of low-power wide area network (LPWAN) technology, such as narrow band internet of things (NB-IoΤ), the authors are able to provide search and rescue solutions for individuals, especially those belonging to groups of people who are more likely to get lost. The central part of the system is a modular “wearable (portable)” device, while in the framework of the implementation of this system, the authors have seriously taken into consideration the aspects of energy efficiency in order to provide better battery life.

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