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2013•Unpublished venueRequires access

Design of PSK Modulation/Demodulation System Based on DSP Builder

Yangyang Liu

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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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What this paper is about

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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Available 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.

Key concepts: Demodulation, Electronic engineering, Digital signal processing, Field-programmable gate array, Modulation (music), MATLAB, Computer science, Systems design

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