摘要
提出一种改进的、基于平均幅度差函数（average magnitude difference function,AMDF）的正交频分复用（orthogonal frequency division multiplexing,OFDM）帧定时同步算法,并完成了在FPGA（field program-mable gate array）平台下的硬件实现。仿真及测试结果表明,在AWGN（additive white Gaussian noise）信道环境下,该算法不但继承了AMDF算法的优点,而且具有易于FPGA实现、占用硬件资源少、同步性能良好等特点。
An OFDM（orthogonal frequency division multiplexing） symbol timing synchronization algorithm based on modified-AMDF（average magnitude different function） is presented.Further,an FPGA-based hardware implementation of the synchronization block is done.The simulation results show that the new algorithm under AWGN（additive white Gaussian noise） channels not only has high estimation accuracy as AMDF,but also significantly reduces computational complexity.
出处
《实验技术与管理》
CAS
北大核心
2010年第11期114-117,129,共5页
Experimental Technology and Management
基金
北京化工大学信息类实验教学专项建设项目
