Design Of Wireless Transmission Of Video Stream Based On ZYNQ

Aiming at the need of high-definition video streaming wireless transmission,this paper proposes a heterogeneous multi-core video streaming wireless transmission method based on ARM+FPGA.The method uses FPGA to convert and process the video stream data,and realizes the wireless transmission of the video stream through the ARM control integrated modulation chip and the integrated demodulation chip,and realizes the software and hardware collaborative design of the wireless video stream transmission.The main research contents are as follows:1.Video stream wireless transmission scheme design.The principle of digital video transmission system,terrestrial broadcasting standard DVB-T standard and MPEG-2 TS video transmission stream are studied.The architecture of heterogeneous multi-core is analyzed.A heterogeneous multi-core wireless based on ZYNQ is proposed.The design of video transmission.2.The wireless transmit and receive port design of the video stream.The heterogeneous multi-core design method is adopted to divide the wireless video stream transmission into two modules:transmitting and receiving.The transmitting end is mainly used to implement the format conversion of the video stream reading and transmission protocol,and modulate the processed video stream to The specific frequency band is wirelessly transmitted;the receiving end mainly realizes wireless reception of the video stream by performing real-time scanning and analysis and demodulation on the analog signal of a specific frequency band.3.On the ZYNQ-7000 platform,the function verification of the scheme is carried out.The TS stream data of the transmitting end and the TS stream data output by the receiving end are collected and analyzed by the logic analyzer.The test shows that the designed scheme can realize the TS stream.Wireless transmission of data.