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Title |
Pre-distortion Linearization for 64-QAM Modulation in Ka-Band Satellite Link |
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Author |
P. Sojoodi Sardrood, G.R. solat , P. Parvand |
| Citation |
Vol. 8 No. 8 pp. 47-52 |
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Abstract |
In this paper the efficiency of linearization for pre-distortion in 64-QAM modulation, utilized in Ka-band satellite link for DVB-RCS services, is investigated. The linearization is simulated by Matlab-Simulink, for a GEO Satellite and DVB-RCS service. A TWTA power amplifier with 1dB back-off is used in this satellite link, and to conclude the results, the spectrum and eye-diagram in both transmitter and receiver side are evaluated. |
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Keywords |
Pre-distortion, Modulation, Power Amplifier, TWTA |
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