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A New Simulation Architecture for Communication Network Systems with Application to HF Radio

Duncan M. G. Tait, Andrew F. R. Gillespie, Dave Cliff
2013 International Journal of Modeling and Optimization  
This paper describes the architecture and gives an example use casemodelling an HF System using the 2G Automatic Link Establishment (ALE) linking protocol under a variety of conditions; exploring the effects  ...  In particular, the simulator introduced here allows study of High Frequency (HF) radio networks and other unorthodox systems that cannot be easily modelled using existing communications network simulators  ...  This linking protocol is often referred to as 2G ALE (Automatic Link Establishment).  ... 
doi:10.7763/ijmo.2013.v3.291 fatcat:6yacv6drx5f2lkgxlho7kl37ea

High-Frequency Band Automatic Mode Recognition Using Deep Learning

Zhengjia Xu, Al Savvaris, Antonios Tsourdos, Tareq Alawadi
2018 2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)  
To maintain the robustness of the data-link transmission, Automatic Link Establishment (ALE) is the worldwide standard for sustaining HF communication of voice, data, instant messaging, internet messaging  ...  Communication in High-Frequency (HF) band allows for good-quality, low-cost, and long-distance data-link transmission over diverse landscapes in aerial communication systems.  ...  In order to improve communication quality and raise efficiency in HF frequency, the Automatic Link Establishment (ALE) aims at establishing robust link quality and complementing flexibility in communication  ... 
doi:10.1109/dasc.2018.8569367 fatcat:5pzlewhwgvfx7mdaekqd46apsq

Field Integrated Communications and Information System for Bulgarian Land Forces

Stoyan Balabanov
2001 Information & Security An International Journal  
by routers to establish the meshed network.  ...  Optical Link Fiber Optic links are used to connect Hub-Switch, contained in vehicles, in chain way in order to make physical LANs working apart from the system, without taking resources from the WΑΝ network  ... 
doi:10.11610/isij.0606 fatcat:nb3zupledrfnzn75vop4y2b24a

Estimation of Frequencies for National Shortwave Network with Automatic Link Establishment Equipment

José Raúl Machado Fernández, Yoanne Lorenzo Rodríguez, Yaser Gutiérrez Vázquez, David León Rosich
2017 Revista Ingeniería  
The Automatic Link Establishment (ALE) technique is a new solution that tries to release the HF operators from the arduous task of finding the most favored communication frequency.  ...  While the technology ensures high stability in communications, it requires the a priori configuration of a frequency set for each established link.  ...  As a solution to the problem of the fluctuating quality of communications, the Automatic Link Establishment (ALE) technology was created.  ... 
doi:10.15517/jte.v26i2.21519 doaj:567e6e951ac44480a2f8d4335d3d21a7 fatcat:etgbog3y2ffyrlu3by4wjs2tyy

New Adaptive Data Transmission Scheme Over HF Radio

Khalifa Abboud Salim, Abdul-Karim A. R. Kadhim, Adil H. Ahmad
2008 ˜Al-œKhawarizmi engineering journal  
The proposed system combines the well known Automatic Link Establishment (ALE) together with variable rate transmission system.  ...  An estimate of HF propagation effects can be used to design an adaptive data transmission system over HF link.  ...  The throughput of the adaptive modulation system can be expressed as: …(7) 3-Automatic Link Establishment (ALE) ALE was developed to automatically select a frequency for automatic linking in point to  ... 
doaj:c132ca6d660440aa9407a2de420ea027 fatcat:sqezp7vzrfhrtano5hzq4rmxsa

High Frequency Radio Network Simulation Using OMNeT++ [article]

Jeffery Weston, Eric Koski
2015 arXiv   pre-print
Harris Corporation has an interest in making HF radios a suitable medium for wireless information networks using standard Internet protocols.  ...  NATO STANAG 5066 data link protocol; and integration of these models with the OMNeT++ network simulation framework and its INET library of Internet protocol models.  ...  ACKNOWLEDGEMENTS The authors gratefully acknowledge the assistance of John Nieto in the development of the HF channel model.  ... 
arXiv:1509.03176v1 fatcat:qdh4sczlrrcyfdj6mlbk2aggu4

Cognitive HF – New Perspectives to Use the High Frequency Band

Teemu Vanninen, Toni Linden, Matti Raustia, Harri Saarnisaari
2014 Proceedings of the 9th International Conference on Cognitive Radio Oriented Wireless Networks  
Therefore, a big problem in HF communications is channel access or channel selection.  ...  This paper discusses about a change of paradigm in HF communication that will take place after applying cognitive principles on the HF system.  ...  When data was started to be transmitted using HF communications also requirements for an automatic link establishment (ALE) did appear.  ... 
doi:10.4108/icst.crowncom.2014.255810 dblp:conf/crowncom/VanninenLRS14 fatcat:idqzqvve65b3dhvsfhbvegasdu

Using of New Narrowband Waveforms to Ensure Proper Operation of Command and Communication Systems

Robert Matyszkiel, Bogusław Grochowina, Adam Dobkowski, Marcin Wiśniewski, Paweł Domaros
2018 Zeszyty Naukowe Akademii Marynarki Wojennej  
At the beginning basic properties of narrowband HF and VHF waveforms in context of their operational scenarios has been described.  ...  This paper presents the requirements for the HF and VHF radio systems according to the IP protocol requirements.  ...  A Automatic link establishment ALE3G complies with STANAG 4538 (FLSU) Automatic link establishment FH complies with STANAG 4444 HF hoping STANAG 5066 Data transmission in ARQ systems Tab. 2  ... 
doi:10.2478/sjpna-2018-0026 fatcat:oz4qytee7zeqhlgkeznjllliby

Some Aspects of the Modernization Plan for the GMDSS

Karol Korcz
2017 TransNav: International Journal on Marine Navigation and Safety of Sea Transportation  
Automatic link establishment (ALE) was developed to automatically select a frequency that will support automatic linking between stations in a network or point-to-point communication without operator assistance  ...  All the sources are connected to the file multiplexer through a network. The shore network can use a broadband link, a low data rate link or a local file sharing.  ... 
doi:10.12716/1001.11.01.20 fatcat:66p63h7oufbljl6r5jr6ywcmwu

Wireless Sensor based Dynamic Channel Selection in Cellular Communication by Cognitive Radio Approach

Torsha Banerjee, Chittabrata Ghosh, Dharma P. Agrawal
2006 2006 1st International Conference on Cognitive Radio Oriented Wireless Networks and Communications  
In this paper, we introduce cognitive radio to the short-wave and proposed a novel algorithm to choose the link based on learning historical information.  ...  However, a fundamental problem for short-wave is the quality of link restricting the development of short-wave.  ...  Next Generation Ale Concepts So far, the function of automatic link establishment has already been used in high frequency communications, which can provide a sound technical support for cognitive radio  ... 
doi:10.1109/crowncom.2006.363466 dblp:conf/crowncom/BanerjeeGA06 fatcat:dt3vqnac4vdjpkhzbzvpnomdeu

Keeping Communications Flowing During Large-scale Disasters: Leveraging Amateur Radio Innovations for Disaster Medicine

Victor H. Cid, Andrew R. Mitz, Stacey J. Arnesen
2017 Disaster Medicine and Public Health Preparedness  
It leverages amateur radio to provide resilient email service to local users, enabling them to reach intact communications networks outside the disaster zone.  ...  NLM's solution is unique in that it provides end-user to end-user direct email communications, without requiring the intervention of a radio operator in the handling of the messages.  ...  Establishing a radio link can take from a few seconds to several minutes and often longer when HF bands are used. Once the link is established, practically any number of messages can be sent.  ... 
doi:10.1017/dmp.2017.62 pmid:28944749 pmcid:PMC5867218 fatcat:zymdvnpzmbfbrp6dwwa4mj33xe

HF channel modeling for real-time packet transmission

Mehdi Rostami, Joao Angeja, Joao Tavares, Antonio Navarro, Raghuveer M. Rao, Soheil A. Dianat, Michael D. Zoltowski
2003 Digital Wireless Communications V  
This paper discusses optimal combinations of channel coders, modulators and packet sizes in order to achieve the greatest throughput in function of the signal-tonoise ratio and HF channel conditions.  ...  The main objective of this research work is to evaluate the performance of an high frequency (HF) wireless network for transporting multimedia services according to UDP/IP protocol stack.  ...  ACKNOWLEDGMENTS This work was supported in part by the Portuguese Navy through NAVIO Project. J. Tavares is sponsored by the Portuguese Science and Technology Foundation (FCT), Portugal.  ... 
doi:10.1117/12.496755 fatcat:zeprh6cmczedvems2ooux2jaf4

MAXIMUM POWER OF THE HF ANTENNA TUNER SWITCHED BY PIN DIODES AT LOAD MISMATCH
МАКСИМАЛЬНАЯ МОЩНОСТЬ КОММУТИРУЕМОГО P-I-N ДИОДАМИ АНТЕННО-СОГЛАСУЮЩЕГО УСТРОЙСТВА ДИАПАЗОНА ВЧ ПРИ РАССОГЛАСОВАНИИ НАГРУЗКИ

Oleg V. Varlamov, Moscow Technical University of Communications and Informatics
2020 T-Comm  
Also, with their help, it is possible to implement double-sided switching elements used, among other things, in switches and automatic antenna-matching devices of the HF range.  ...  The analysis of the maximum power of an automatic antenna-matching device of the HF range, carried out using the example of the most famous samples, with a load mismatch with PIN diodes, showed that in  ...  . , --, -. p-i-n -, -, ALE (Automatic Link Establishment -MIL-STD-188-141B), -, -. . p-i-n P-i-n - , . p-i-n . p-i-n - , . p-i-n --. [13] , p-i-n -.  ... 
doi:10.36724/2072-8735-2020-14-10-26-32 fatcat:hxfdn5s32bgdrje43mr375sdum

A Role of the Parasympathetic Nervous System in Cognitive Training

Feng Lin, Kathi L. Heffner, Ping Ren, Duje Tadin
2017 Current Alzheimer Research  
of the observed link.  ...  We assessed high-frequency heart rate variability (HF-HRV) during training sessions, and striatum-related neural networks and cognition at baseline and post-training.  ...  RESULTS HF-HRV Responses In terms of model fit, the results for the VSOP group revealed a dynamic U-shaped HF-HRV response pattern, which was well fitted with a quadratic model (all model terms significant  ... 
doi:10.2174/1567205014666170203095128 pmid:28164771 pmcid:PMC5530077 fatcat:ncseaxlwhvdmrjiwb3pdcx7qnm

Data Recovery through Modulation Identification in Dense Wireless Networks

Anup Kar, Aradhana Misra, Kandarpa Kumar Sarma, Nikos E. Mastorakis, N. Mastorakis, V. Mladenov, A. Bulucea
2018 MATEC Web of Conferences  
Experimental results have established the reliability of the proposed system.  ...  With rise in device complexity and transmission rates, reliability in data recovery has become another critical issue requiring costly and computationally demanding mechanism.  ...  In [8] , a robust Automatic modulation Classifier method for the classification of FSK, PSK, OQPSK, QAM, and amplitude-phase shift keying modulations in presence of HF noise using featurebased methods  ... 
doi:10.1051/matecconf/201821003009 fatcat:kxuasgcqhraqtj4rp7kneyvsty
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