The results show that by using LUT pre-distortion, we can get an undistorted constellation at the output of the Traveling Wave Tube (TWT) amplifier. The design is synthesized and fitted with Quartus II software, and downloaded to Altera Stratix DSP EP1S80 development board. ![]() It is then converted to VHDL level using the signal compiler block of the Altera DSP builder. The design is first implemented in Matlab/Simulink environment. The implementation uses Matlab/Simulink, Altera DSP builder and Altera Stratix DSP EP1S80 development board. ![]() ![]() This paper presents the design procedure and implementation results of a 16 quadrature amplitude modulation (16-QAM) look up table (LUT) predistortion technique for satellite communications using Altera DSP board.
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