NDLI: The MITRE Tactical Channel Emulation System

Content Provider	IEEE Xplore Digital Library
Author	Hockey, C. Howard, P.M. Moniz, R.T. Niessen, C. Zhong, B.
Copyright Year	2013
Description	Author affiliation: MITRE Corp., Bedford, MA, USA (Hockey, C.; Howard, P.M.; Moniz, R.T.; Niessen, C.; Zhong, B.)
Abstract	We present a robust solution to the problem of predicting and evaluating the performance of fielded tactical radios. The MITRE Tactical Channel Emulation System (TCES) enables the evaluation of networked radios in a laboratory environment using digital baseband emulation of RF propagation conditions. The digital emulation approach offers significant advantages (e.g., cost, logistics, repeatability, etc.) over field testing. Furthermore, digital emulation is preferable to a purely software-based simulation approach in that it offers a high degree of accuracy and precision in radio behavior and can operate in real time. This approach also offers improvements in fidelity and scale over existing analog-based radio testing systems. With the TCES, a scenario encompassing multiple radios that are either stationary or are placed on some arbitrary combination of mobile platforms in a chosen geographical area can be readily constructed using an appropriate front-end modeling tool. The propagation information (e.g., time-varying and position-dependent path loss and carrier phase rotation) is extracted from the front-end tool and is used to control a matrix of Field-Programmable Gate Array- (FPGA-) based digital baseband channels. Each radio transmitter output is captured in real time, converted to a digital baseband signal, and passed through a digital baseband channel. The signal for each radio receiver is comprised of a linear combination of these digital baseband channel outputs. Each linear combination of channel outputs is converted to an analog RF signal and forms the input signal for a given radio receiver. An initial 16-by-16 node prototype of the system has already been used successfully by a DoD customer, and a 32-by-32 node prototype is currently under construction. We present an overview of the system, describe its implementation, and discuss future extensions, such as increasing scale to 64-by-64 and beyond, along with enhancements such as Doppler and multipath channels.
Sponsorship	IEEE Commun. Soc.
Starting Page	1039
Ending Page	1044
File Size	521879
Page Count	6
File Format	PDF
ISBN	9780769551241
DOI	10.1109/MILCOM.2013.180
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Field programmable gate arrays Baseband Radio frequency Delays Emulation Software Synchronization MANET Tactical radios channel emulation wireless RF propagation Doppler fading multipath FPGA modeling simulation analog attenuation matrix
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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