Military Communications and Information Technology: A Trusted ...

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80 Military Communications and Information Technology... User interface of the jammer enables to program frequency bands for jamming and friendly communication. Controller of the counter RCIED jamming system is responsible for programming a jammer block in a reactive jamming mode. Jamming decision is taken based on data from tuners. Expected emission identification parameters: • emission detection range – several km (depending on the radiated power of trigger transmitter); • scan time of frequency range 26 MHz ÷2,6 GHz below 50 ms; • frequency resolution: better than 25 kHz for VHF and 100 kHz for UHF; • maximum reaction delay between detected incoming signal and jamming transmission beginning should be below 100 ms. VI. Summary In this paper some aspects which influence on detection and jamming parts of RCIED countermeasure system was discussed. A conception of a model RCIED jamming system was proposed to overcome some of the pointed difficulties. Results from counter RCIED project would be taken into account in newly developed applications and EW systems created in MCI. Limitations which arise from specific IED operation and profile of mobile jamming sets result in a lot of restrictions that have influenced on construction of C-RCIED devices, detection and jamming methods. Compact size and restricted power source cause that the device provides a limited area of protection. Mobility of a vehicle and diversity of possible signals sources cause inability of exploitation more sophisticated methods for emission detection and identification in order to provide faster response to possible threat. Placing the receiver near the transmitter impairs the effectiveness of detection of hostile transmissions. To improve detection and jamming performance, it is planned creation a cooperative network of several receivers and jammers placed apart. Such system allows to mitigate an effect of hiding small signals in interference phenomenon and noise background and could combat effect of fading, caused by ground reflections. Transmitters working in a network can attack the same emissions (extend coverage) or react to different frequencies simultaneously combating multi-frequency triggering. Receivers which scan in a network can achieve higher probability of detection (cooperative detection) or faster scanning rate in case of independent scanning adjacent frequency ranges. Physical separation of receivers from transmitters (one vehicle perform scanning other jamming) lead to better sensitivity and extend range of detection. For data transmission between network elements, nonstandard wireless connections or infrared technology should be used.
Chapter 1: Concepts and Solutions for Communications and Information Systems 81 REFERENCES [1] K. Wilgucki, R. Urban, G. Baranowski, P. Grądzki, P. Skarżyński, „Automated protection system against RCIED”, MCC2011. [2] https://www.jieddo.dod.mil/content/docs/JIEDDO_2010_Annual_Report_U.pdf [3] Improvised Explosive Device Defeat FMI 3-34.119/MCIP 3-17.01. [4] R.A. Poisel, “Modern Communications Jamming Principles and Techniques”, Second Edition, Artech House, Inc., 2011. [5] D.L. Adamy, “Tactical Battlefield Communications Electronic Warfare”, Artech House, Inc., 2009 pp. 251-306. [6] A. Graham, “Communications, Radar and Electronic Warfare”, John Willey & Sons, Inc., 2011, pp. 137-144, 357-363. [7] M. Dapper, J.S.Wells, T. Schwaillie, L. Huon, “RF propagation in short range sensor communications”. [8] B. Piette, “VHF/UHF Filters and Multicouplers”, John Willey & Sons, Inc., 2010. [9] G. Baranowski, R. Urban, K. Wilgucki, „Detekcja emisji FH na podstawie analizy czasowo-częstotliwościowej widma”, Przegląd Telekomunikacyjny, 8-9/2011. [10] http://srcinc.com/uploadedFiles/src/what-we-do/CREW_Duke.pdf
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Contents Foreword .................
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Contents 5 Methodology for Gatherin
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8 Military Communications and Infor
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Building a Layered Enterprise Archi
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Applying NAF for Performance Analys
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Use of Cross Domain Guards for CoNS
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Chapter 2: Communications and Infor
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Chapter 3 Information Technology fo
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Run-Time Ontology on the Basis of E
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Chapter 3: Information Technology f
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A Robust and Scalable Peer-to-Peer
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Automatic Exploitation of Multiling
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Information Fusion Under Network Co
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Commanding Multi-Robot Systems with
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Application of CID Server in Decisi
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Managing Lessons Learnt from Daily
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Federated Cyber Defence System - Ap
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Chapter 4: Information Assurance &
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Development of High Assurance Guard
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Network Traffic Characteristics for
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Methodology for Gathering Data Conc
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On Multi-Level Secure Structured Co
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Generation of Nonlinear Feedback Sh
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Modern Usage of “Old” One-Time
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A Abut Fatih 161 Akcaoglu Ismail 11
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