基于TMS320TCI6618 FFTC的LTE基带信号设计测试  

Design and Test of LTE Baseband Signal Based on TMS320TCI6618 FFTC

作　　者：魏静文[1] 常俊[1] 郑宇[1] WEI Jing-wen CHANG Jun ZHENG Yu(School of Information Science and Engineering of Yunnan University, Kunming Yunnan 650091, China)

机构地区：[1]云南大学信息学院,云南昆明650091

出　　处：《无线电工程》2017年第3期15-18,共4页Radio Engineering

基　　金：国家自然科学基金资助项目(61162004)

摘　　要：针对LTE系统中OFDM算法缓慢的问题,给出了一种基于DSP的高效基带信号处理的设计。对TI公司的TMS320TCI6618中的FFTC进行了简单介绍,详细介绍了如何在TMS320TCI6618上使用FFTC实现快速傅里叶变换(FFT),并结合LTE系统对FFTC的应用进行了测试,完成了数据验证。实验结果充分证明了FFTC在算法上的高效性和实用性,并能简化FFT算法实现、加快系统设计和缩短开发时间,提升FFT算法性能,为LTE系统提供了一种很好的解决方案。This paper mainly aims at the problem of slow OFDM algorithm in current LTE systems,and gives a design of efficient baseband signal processing based on DSP.This paper first introduces the FFTC of TI TMS320TCI6618 in brief,and then details how to use FFTC on TMS320TCI6618 for realization of Fast Fourier Transform （FFT）.And the application of FFTC system is tested in combination with LTE systems.Data validation is also achieved.Test data proved the efficiency and practicality of FFTC, which can simplify algorithm implementation, accelerate system design, shorten development time for LTE system, enhance system performance of FFT algorithm,and provide a good solution for LTE.

关 键 词：TMS320TCI6618 FFTC 快速傅里叶变换 DSP 

分 类 号：TN911.6[电子电信—通信与信息系统]