Design of PSK Modulation/Demodulation System Based on DSP Builder
Microelectronics(2013)
Abstract
Two modulation/demodulation systems,2DPSK system based on differential coherent demodulation and 2PSK system based on non-coherent demodulation,were designed to study the applicability of 2PSK non-coherent demodulation scheme for complete modulation/demodulation system.The two system models were built and simulated with DSP Builder,a system-level design tool in Matlab/Simulink.Simulation results validated the design.The two systems were implemented on Cyclone II FPGA,EP2C35F672C6.Performance of the two systems were compared and analyzed.Results showed that the 2PSK system based on non-coherent demodulation had better performance in terms of resource utilization and processing speed.
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Key words
Differential coherent demodulation,DSP Builder,Non-coherent demodulation,Phase-shift keying,FPGA
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