| Based on an overview of HDTV, this paper gives the COFDM transmission principle and DVB_T COFDM scheme.On the basis of theory about channel coding, simulation of the performance on SCCC-based with Matlab has been done and a design scheme based on FPGA proposed.This paper makes the simulation of circuits with Quartus and FPGA-hardware into reality too. Finally,Turbo coding applicated in COFDM is discussed and its feasibility also tested by lots of performance analysis.
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