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Interference Mitigation for Future L-band Digital Aeronautical Communications System

Schnell, Michael and Brandes, Sinja and Gligorevic, Snjezana and Walter, Michael and Rihacek, Christoph and Sajatovic, Miodrag and Haindl, Bernhard (2008) Interference Mitigation for Future L-band Digital Aeronautical Communications System. In: Proceedings of the 27th Digital Avionics Systems Conference. Digital Avionics Systems Conference, 2008-10-26 - 2008-10-30, St. Paul, Minnesota.

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One deployment option for the future broadband L-band Digital Aeronautical Communications System (L-DACS) is operating as an inlay system between two adjacent channels of the Distance Measuring Equipment (DME) system. Investigations for the Broadband Aeronautical Multi-carrier Communications (B-AMC) [1] system, one candidate for the broadband L-DACS, have shown that interference originating from DME systems operating in adjacent channels has a strong impact on the B-AMC system. To enable the utilization of spectral gaps between two adjacent DME channels, two efficient methods for mitigating the impact of interference are proposed and investigated for the B-AMC system, namely pulse blanking and erasure based decoding. Simulations show that the impact of DME interference onto the L-DACS can be reduced considerably by choosing an appropriate coding scheme to make the transmit signal robust against interference. The impact of interference is mitigated by means of the proposed methods, resulting in a performance close to the performance in the interference-free case.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Interference Mitigation for Future L-band Digital Aeronautical Communications System
AuthorsInstitution or Email of Authors
Schnell, MichaelUNSPECIFIED
Gligorevic, SnjezanaUNSPECIFIED
Walter, MichaelUNSPECIFIED
Rihacek, ChristophFrequentis AG
Sajatovic, MiodragFrequentis AG
Haindl, BernhardFrequentis AG
Date:31 August 2008
Journal or Publication Title:Proceedings of the 27th Digital Avionics Systems Conference
Refereed publication:No
In ISI Web of Science:No
Keywords:Aeronautical Communications L-DACS
Event Title:Digital Avionics Systems Conference
Event Location:St. Paul, Minnesota
Event Type:international Conference
Event Dates:2008-10-26 - 2008-10-30
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:ATM and Operation
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Human Factors and Safety in Aeronautics
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation
Deposited By: Dr.-Ing. Michael Schnell
Deposited On:11 Dec 2008
Last Modified:26 Sep 2012 07:52

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