Design of a low complexity channel filter satisfying LDACS1 spectral mask specifications for air-to-ground communication

Abhishek Ambede, A. P. Vinod, A. S. Madhukumar

Research output: Chapter in Book/Conference Proceeding/ReportConference Paper published in a bookpeer-review

Abstract

Modernization of the existing air traffic management systems is currently under way to support the sustained air traffic growth worldwide. A new standard called L-band Digital Aeronautical Communication System (LDACS) is being developed for air-ground communications, which aims to facilitate improved aeronautical communications in the next generation air traffic management systems. LDACS type 1 (LDACS1), a broadband system based on orthogonal frequency-division multiplexing (OFDM) modulation, is the most promising and mature candidate for LDACS. The channel filter in a LDACS1 receiver must be designed with a stringent spectral mask to avoid interference from the adjacent Distance Measuring Equipment (DME) channels as well as the neighboring LDACS1 channels. In this paper, we present the design of a low complexity channel filter for LDACS1. Design of the proposed channel filter is based on the frequency response masking technique. When compared with the conventional channel filter design approach, the proposed channel filter offers 74.26% savings in multiplication complexity and 17% reduction in group delay.

Original languageEnglish
Title of host publicationICNS 2016
Subtitle of host publicationSecuring an Integrated CNS System to Meet Future Challenges
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509021499
DOIs
Publication statusPublished - 7 Jun 2016
Externally publishedYes
Event16th Integrated Communications, Navigation, and Surveillance Conference, ICNS 2016 - Herndon, United States
Duration: 19 Apr 201621 Apr 2016

Publication series

NameICNS 2016: Securing an Integrated CNS System to Meet Future Challenges

Conference

Conference16th Integrated Communications, Navigation, and Surveillance Conference, ICNS 2016
Country/TerritoryUnited States
CityHerndon
Period19/04/1621/04/16

Bibliographical note

Publisher Copyright:
© 2016 IEEE.

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