The Journal of Korea Institute of Information, Electronics, and Communication Technology (한국정보전자통신기술학회논문지)

Korea Information Electronic Communication Technology (한국정보전자통신기술학회)
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Interference Analysis for Mutual Coexistence between Telemetry System based on IRIG Standard and Commercial LTE-TDD

IRIG 표준기반의 Telemetry 시스템과 상용 LTE-TDD간 상호공종을 위한 간섭분석

  • Yun, Deok-Won (Department of Electronic Engineering, Soongsil University) ;
  • Choi, Joo-Pyoung (Department of Institute of Cognitive Ratio Communication, Soongsil University) ;
  • Lee, Won-Cheol (Department of Electronic Engineering, Soongsil University) ;
  • Kim, Chun-Won (Korea Aerospace Research Institute, Naro Space Center, Flight Tracking Technology Team) ;
  • Han, Jeong-Woo (Korea Aerospace Research Institute, Naro Space Center, Flight Tracking Technology Team) ;
  • Kim, Dae-Oh (Korea Aerospace Research Institute, Naro Space Center, Flight Tracking Technology Team)
  • Received : 2017.10.28
  • Accepted : 2017.11.15
  • Published : 2017.12.30
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Abstract

Telemetry ground station use very high gain directional antenna systems that are sensitive to interference from other RF communication systems, Without appropriate interference protection, these systems could be severely impacted or even rendered useless for mission support. In ECC, we suggested ans interference analysis method between LTE-TDD system and telemetry ground station using 2.3GHz. In this paper, based on the interference analysis scenario considered in Electronic Communication Committee, We have derived mutual coexistence separation distance between telemetry ground station and LTE-TDD system(Base station, User equipment) in Spatial domain.

Telemetry 수신국은 다른 RF 시스템으로부터 간섭에 민감한 고 이득의 지향성 안테나를 사용하고 있으며 간섭 방지에 대한 적절한 규정이 정해져있지 않기 때문에 임무수행 중 목표물 추적 실패 혹은 수신 데이터 손상 등의 사례가 발생될 수 있다. 이에 유럽 전자통신위원회(Electronic Communications Committee; ECC)에서는 2.3GHz 대역을 이용하는 LTE-TDD 수신국과 인접한 Telemetry 시스템 간 간섭분석 방안을 제시하였으며 본 논문에서는 ECC에서 고려하는 간섭분석 시나리오를 바탕으로 공간영역에서 Telemetry 수신국과 LTE-TDD 기지국 또는 단말기 개수별 상호공존 가능한 보호이격거리를 도출하였다.

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References

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