Design And Implementation The Key Algorithm Of MIMO-OFDM System Base On YHFT-Matrix

With the rapid development of the LTE and4G wireless communication technology,MIMO-OFDM has become the hot field in the radar world. Along with the rapid development ofwireless communication，A variety of communication protocols and standards Hinderes thedevelopment of communication technology. The software radio technology is the key technologyto solve the Problems mentioned above. However,the application for software radio technologyneed high-density real-time calculation, traditional scalar single-core processor is difficult tomeet their needs. Thus, the realization of software radio technology based on vector multi-coreprocessor becomes one of the mainstream methods.YHFT-Matrix, developed independently by National University of DefenseTechnology(NUDT), is a high-performance vector multi-core processor which is mainlyapplied in software radio. The paper realize an Efficient MIMO-OFDM system, It not only hasimportant theory meaning but also has important realistic meanings.This paper mainly includes the following aspects:（1） It carried on a thorough study to the MIMO-OFDM technology in4G communicationsystem, analyzed the model, designed and implementation of MIMO-OFDM Systembase on YHFT-Matrix.（2） Designed and Implementation matrix multiplication vectorization base on YHFT-Matrix,this method makes full use of the characteristic that YHFT-Matrix processes dataVectorization. The results show that it obtain high performance, comparison with theTIC62X and TIC64X chips, YHFT-Matrix obtain speedup rate more than9.4and4.9in Multiple4×4matrix multiplication,4×4matrix multiplied by Multiple4×4matrix,Larger than16×16matrix multiplication operations.（3） It carried on a thorough study to STBC in MIMO-OFDM, design and implementationSTBC operation in2×2and4×4systems. The results show that comparison with theTIC67X, YHFT-Matrix’s speedup rate is8.（4） It carried on a thorough study to equalization in MIMO-OFDM, design andimplementation equalization in1×1,2×2and4×4systems,Implementation2×2and4×4matrix inversion base on Rapid inversion algorithm and Block matrix inversionalgorithm. The results show that YHFT-Matrix provides efficient support to equalizationoperation, comparison with the TIC67X,the speedup rate is40in4×4system.