Abstract
A high-speed data communication method between DSP and FPGA is implemented to meet the real-time requirements of data transmission and algorithm processing in software-defined radio system. The system uses AD9361 for data acquisition, high-performance FPGA for data pre-processing, low-power DSP processor to achieve complex algorithm and extract parameters, combined high-speed data processing of DSP with real-time response of FPGA to meet the performance optimization of the system. The software radio system to complete the rapid scanning of the spectrum(70 MHz-6 GHz), real-time analysis and early prediction. This Program is based on the TMS320 C6748 series of DSP chips and Xilinx Spartan6 FPGA chip, using a universal parallel interface connect FPGA and DSP, in which the interrupt signal and enable signal as judging bit and enable bit complete communication. The experimental results demonstrates that the scheme has high feasibility and stability.
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