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http://dx.doi.org/10.5515/KJKIEES.2017.28.11.837

Design and Performance Evaluation of 8PSK-TCM System Using Turbo Equalizer for Satellite Communication  

An, Changyoung (Department of Electronics Engineering, Chungbuk National University)
Ryu, Sang-Burm (Payload Electronics Team, Korea Aerospace Research Institute)
Lee, Sang-Gyu (Payload Electronics Team, Korea Aerospace Research Institute)
Ryu, Heung-Gyoon (Department of Electronics Engineering, Chungbuk National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.28, no.11, 2017 , pp. 837-842 More about this Journal
Abstract
In this paper, as a basic study for combination of turbo equalizer and 4D-8PSK-TCM(4 Dimensional 8 Phase Shift Keying Trellis Coded Modulation) system, which is recommended for X-band band satellite communication in CCSDS, a system combining 8PSK-TCM system and turbo equalizer has designed and performance evaluation of the system has performed. BER performance of 8PSK and 8PSK-TCM systems has evaluated and analyzed in AWGN, Proakis B and Proakis C channels in detail. As results of simulation, BER performance of 8PSK-TCM system is better than 8PSK system in AWGN environment. Furthermore, it can be confirmed that the system combining the 8PSK-TCM system with the turbo equalizer can further improve the BER performance through iterative equalization in the ISI channel environment. The 8PSK-TCM system combined with the turbo equalizer requires SNR of 5.9 dB for BER performance of $10^{-3}$ with 5 iterative equalization in Proakis B and SNR of 9.1 dB for BER of $10^{-2}$ with 5 iterative equalization in Proakis C.
Keywords
TCM; 8PSK-TCM; Turbo Equalizer; Satellite Communication; ISI Channel;
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