NDLI: Clearing a Frequency Subband for Enhanced Aeronautical Communications

Content Provider	IEEE Xplore Digital Library
Author	Box, F. Monticone, L. Snow, R. Globus, L.
Copyright Year	2007
Description	Author affiliation: MITRE Corp., McLean (Box, F.; Monticone, L.; Snow, R.; Globus, L.)
Abstract	The Federal Aviation Administration (FAA) is exploring the feasibility of clearing part of the 117.975-137 MHz air/ground (A/G) radio band for use by a VHF digital aeronautical data communications network beginning in the 2010-2015 time frame. The cleared subband would be taken from the 13.4 MHz of spectrum currently allocated to air traffic services (ATS) that use the present-day analog A/G voice radio system. The growing spectral congestion in the band makes it a challenge to clear any part of it for the future aeronautical data network without adversely affecting the existing A/G voice system. In this paper we analyze key issues that would arise when clearing a subband in conjunction with a transition to a new A/G voice system architecture, in which many users would operate in 8.33-kHz channels rather than the 25-kHz channels used today. Our analysis examines the tradeoffs among the amount of spectrum cleared, the effort involved in clearing it, and the impact on the remaining capacity of the A/G voice ATS system. We establish bounds on the amounts of ATS spectrum likely to be clearable in a wide variety of scenarios, and recommend measures for approaching those bounds while controlling implementation complexity and preserving enough voice spectrum to accommodate anticipated future growth of ATS demand.
Starting Page	1
Ending Page	12
File Size	606224
Page Count	12
File Format	PDF
ISBN	1424412153
DOI	10.1109/ICNSURV.2007.384173
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-04-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	VHF circuits Speech analysis Costs Circuit simulation FAA Frequency estimation Data communication Air traffic control Aircraft 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
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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