Proceedings of the KSRS Conference (대한원격탐사학회:학술대회논문집)

  • 2005.10a
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  • Pages.561-563
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  • 2005
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  • 1226-9743(pISSN)
Korean Society of Remote Sensing (대한원격탐사학회)
권호 표지

MEASUREMENT OF IMPLEMENTATION LOSS FOR BRIT RECEIVER

  • Park Durk-Jong (Satellite Mission Operation Department, Korea Aerospace Research Institute) ;
  • Koo In-Hoi (Satellite Mission Operation Department, Korea Aerospace Research Institute) ;
  • Yang Hyung-Mo (Satellite Mission Operation Department, Korea Aerospace Research Institute) ;
  • Ahn Sang-Il (Satellite Mission Operation Department, Korea Aerospace Research Institute) ;
  • Kim Eun-Kyu (Satellite Mission Operation Department, Korea Aerospace Research Institute)
  • Published : 2005.10.01
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Abstract

From the IF (Intermediated Frequency) loop-back test, BER (Bit Error Rate) degradation of processed data, HRIT (High Rate Information Transmission), is estimated by proposed measurement configuration. The specific parameters, likely data rate, FEC (Forward Error Correction), and modulation method, are based on the outcomes of SRR (System Requirements Review) which was held on 13-14 June 2005, in Toulouse. The proposed measurement procedure is that combined 70MHz modulated signal and noise is connected to the spectrum analyzer and receiver. The former measures the C/No (Carrier to Noise density ratio) and the latter estimates BER of FEC decoded data. Implementation loss can be obtained by subtracting measured BER from calculated BER which is also subtracted data rate from measured C/No. This test procedure is very simple and can be applied to assess the implementation loss of dedicated receiver for HRIT in the future.

Keywords