Design And Implementation Of The New Generation Software Defined Radio Datalink

The thesis describes a solution for software Broadband TransmissionTransceiver. DataLink System And Software Radio is an Important WirelessCommunication Technology，This paper introduces the concept，the characteristics，the developing trends and the key technology．gives out hardware and software.．Weintroduce the OFDM(Oahogonal Frequency Division Multiplexing) theory．Mostimportantly,we discuss how to implement the TD-LTE Tranceiver Base on FPGA．In order to fulfill the real-time transmission, exchange and sharing requirementthat data link system needs in practical design，this paper designs a communicationinterface scheme by Using an Embedded System based on Fpga NIOS II and thespecific implementation is put forward. It has a relative important value for thepractical projects. The functions of transceiver are enhanced, while the flexibility andscalability is extended.At last，This text regards Air-ground Communication as the Research object andmethod, On the basis of the technique characteristic of LTE:Support scalablebandwidths of1.25，2.5，5.0，10.0and20.0MHz，Peak data rate that scales with systembandwidth,Supported antenna configurations,Spectrum efficiency,Mobility andCoverage, The whole Design and Implementation is presented for Air-groundCommunication Network．With the civil aviation Air-ground Communication as theirmain Research object, the authors combine drawings of engineering designs with theproduct designs in this case study, trying to reveal the function of the civil aviationdatalink. the TD-LTE solution is an effective method for choice in practical use.