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Optimization of Spectrum Usage and Coexistence Analysis of DVB-T and LTE-800 systems

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Abstract

This paper investigates the possible coexistence issues between the digital video broadcasting-terrestrial (DVB-T) system and the long term evolution (LTE) that operate in adjacent frequency bands. The proposed methodology for interference assessment evaluates the DVB-T performance degradation in presence of aggregate LTE-800 interference targeting the territory of Macedonia as evaluation area. The simulation analysis quantifies the percentage of interference degraded pixels and obtains the probability of pixel DVB-T service degradation. Furthermore, a measurement trial complements the simulation analysis through the evaluation of the influence of active antenna usage by the DVB-T receivers. The simulation and measurement results in this particular case confirm that the alignment of the active DVB-T receiving antenna towards the LTE-800 base station can substantially increase the degradation whereas aligning of the active DVB-T receiving antenna towards the DVB-T transmitter maintains the efficient TV reception. Finally, this paper proposes a simple algorithm for optimal LTE frequency arrangement, resulting in significant reduction of the LTE interference towards the DVB-T system.

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Acknowledgments

This work is sponsored by the Public Diplomacy Division of NATO in the framework of Science for Peace through the SfP-984409 Optimization and Rational Use of Wireless Communication Bands (ORCA) project [25]. The authors would like to thank everyone involved.

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Authors and Affiliations

  1. Faculty of Electrical Engineering and Information Technologies, Ss. Cyril and Methodius University, Skopje, Macedonia

    Marija Denkovska, Pero Latkoski & Liljana Gavrilovska

Authors
  1. Marija Denkovska
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  2. Pero Latkoski
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  3. Liljana Gavrilovska
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Correspondence to Marija Denkovska.

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Denkovska, M., Latkoski, P. & Gavrilovska, L. Optimization of Spectrum Usage and Coexistence Analysis of DVB-T and LTE-800 systems. Wireless Pers Commun 87, 713–730 (2016). https://doi.org/10.1007/s11277-015-2634-5

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  • DOI: https://doi.org/10.1007/s11277-015-2634-5

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