With the development of technology and the expansion of battlefield environment,FPGA accelerated switching platform(fast)has become the next generation of new network architecture.Aiming at the battlefield environment,this paper studies the channel processing and switching technology in heterogeneous network terminals,and completes the design and implementation of multiple filter channelizer and switching network based on fast on FPGA.The main work of this paper is as followsFirstly,the software defined radio technology and software defined network technology are theoretically explored,including multi rate processing,polyphase filtering processing,channelization processing,fast principle and so on.Secondly,the implementation scheme of channelizer and switching network is designed:for the channel processing part of heterogeneous network terminal,the channelizer based on polyphase filter is designed,and the scheme design and Simulation of each structure of channelizer are completed according to the system index;In the part of switching technology,the message format of fast-um is designed,and the general data link structure,backup link switching structure and configuration management structure of fpga-os are designed.Finally,the implementation and test of channelizer and switching network in FPGA are completed.The functional components and modules are shown in detail.The test and verification results of channelizer and switching network are given to verify the correctness of the design. |