NDLI: Potential RF interference to control links of small unmanned aircraft

Content Provider	IEEE Xplore Digital Library
Author	Box, F. Globus, L. Hoh, Y.-S. Snow, R. Chadwick, J.
Copyright Year	2008
Description	Author affiliation: Center for Adv. Aviation Syst. Dev., MITRE Corp., McLean, VA (Box, F.; Globus, L.; Hoh, Y.-S.; Snow, R.)
Abstract	The control links of small unmanned aircraft (UA) systems (UAS) typically operate in the 72-73, 902-928, and 2400-2483.5 MHz bands. They share those bands with many radio-frequency (RF) emitters that expose the links to the possibility of RF interference (RFI) and resultant control link interruptions. In this analysis we quantitatively assess the potential interference levels to which such links may be subjected. We characterize unlicensed emitters in the bands of interest, and estimate the resultant aggregate RFI levels to which small UAS uplink receivers may be exposed while operating at various altitudes above representative locales within the U.S. We also analyze the potential interference impacts of licensed RF transmitters, which are far less numerous but often individually much more powerful than the unlicensed emitters. We conclude that the possibility of RFI from the two classes of emitters may degrade the reliability of UAS control links operating in these bands, especially in populated areas. However, before any firm conclusions can be drawn from our findings, it will be necessary to validate our methodology by performing field measurements of ambient power densities and uplink performance at typical small-UA altitudes in a variety of locales within U.S. airspace.
Starting Page	1
Ending Page	12
File Size	643167
Page Count	12
File Format	PDF
ISBN	9781424423033
DOI	10.1109/ICNSURV.2008.4559192
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Degradation Performance evaluation Aggregates Electromagnetic interference Radio transmitters Control systems Unmanned aerial vehicles Radio control Radiofrequency interference
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
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