Interference mitigation for broadband L-DACS

Schnell, Michael; Brandes, Sinja; Gligorevic, Snjezana; Walter, Michael; Rihacek, C.; Sajatovic, M.; Haindl, Bernhard

doi:10.1109/dasc.2008.4702777

Cited by 19 publications

(11 citation statements)

References 6 publications

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“…The pulse rate of each DME station is set to be 3600 pulse pair per second (ppps). Then,the Signal to interference Ratio (SIR) is -8.5 dB [6]. give the simulation results the for performance of the LRCCSS-CCK in the channel of AWGN and the multipath fading channel.…”

Section: Simulation Parameters and Resultsmentioning

confidence: 99%

“…Interferers at larger frequency points are neglected as their impact is assumed to be reduced significantly by the intermediate frequency (IF) filter of the receiver [6].…”

Section: System Architecture and Mathematical Analysismentioning

confidence: 99%

“…The Forward Link (FL) of the DME ranges from 1025 MHz to 1150 MHz and a corresponding channel between 962 MHz to 1213 MHz is used as the Reverse Link (RL) [7]. The spacing of all DME channels is 1MHz with a 100 kHz signal spectrum width [6].…”

Section: Preliminary Knowledgementioning

confidence: 99%

“…the power of DME signals is well above the received signal power of the usual aeronautical communication system [6]. Hence, the difficulty of the designing such a overlapped communication system is the selection of its processing gain.…”

mentioning

confidence: 99%

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Co-channel CCK transmission overlapped with DME in aeronautical communication

Bai

Zhang

Zhao

2014

2014 IEEE China Summit &Amp; International Conference on Signal and Information Processing (ChinaSIP)

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Traditional communication system in the L-band (960-1164 MHz) operates in the frequency gaps between the Distance Measuring Equipment (DME) channels. However, this will lead to a waste of the frequency resources. In this paper, a spectrum spread communication system which is overlapped with the DME is considered. Moreover, it utilizes the extended Complementary Code Keying (CCK) sequence to get a higher bandwidth usage efficiency and balance out the interference from the DME. Simulation results show that the extended CCK encoding system and the DME can share the common channel without degradation in the Bit Error Ratio (BER) performance.

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Section: Simulation Parameters and Resultsmentioning

confidence: 99%

“…Interferers at larger frequency points are neglected as their impact is assumed to be reduced significantly by the intermediate frequency (IF) filter of the receiver [6].…”

Section: System Architecture and Mathematical Analysismentioning

confidence: 99%

Section: Preliminary Knowledgementioning

confidence: 99%

mentioning

confidence: 99%

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Co-channel CCK transmission overlapped with DME in aeronautical communication

Bai

Zhang

Zhao

2014

2014 IEEE China Summit &Amp; International Conference on Signal and Information Processing (ChinaSIP)

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“…Due to the high interference power and small frequency offset between L-DACS1 and other L-band systems, interference strongly impairs the L-DACS1 Rx signal. Techniques for mitigating the impact of interference and a robust algorithm for channel estimation have been addressed in [8] and [9], respectively. In this paper, the synchronization in time and frequency between the L-DACS1 Tx and Rx is investigated and a synchronization algorithm which is robust towards interference is proposed.…”

Section: Introductionmentioning

confidence: 99%

Receiver optimization for L-DACS1

Epple

Brandes

Gligorevic

et al. 2009

2009 IEEE/AIAA 28th Digital Avionics Systems Conference

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L-DACS1 is the broadband candidate technology for the future L-band Digital Aeronautical Communications System (L-DACS). The flexible design of L-DACS1 allows the deployment as an inlay system in the spectral gaps between two adjacent channels used by the Distance Measuring Equipment (DME) as well as the non-inlay deployment in unused parts of the L-band. In this paper, the synchronization procedure in L-DACS1, when deploying it as inlay system is presented. It will be investigated how the synchronization suffers from interference in the L-band. In addition, interference mitigation techniques are briefly described and their influence onto the synchronization is examined. Finally, the performance of an appropriate combination of interference mitigation and robust synchronization is presented, showing that even under severe interference conditions, a reliable synchronization can be accomplished, hence confirming the feasibility of the inlay concept.

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Interference Mitigation for the Future Aeronautical Communication System in the L-Band

Brandes

Schnell

2009

Multi-Carrier Systems &Amp; Solutions 2009

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Interference mitigation for broadband L-DACS

Cited by 19 publications

References 6 publications

Co-channel CCK transmission overlapped with DME in aeronautical communication

Co-channel CCK transmission overlapped with DME in aeronautical communication

Receiver optimization for L-DACS1

Interference Mitigation for the Future Aeronautical Communication System in the L-Band

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