摘要
介绍了一种基于FPGA的LTE-TDD接收系统设计与实现,采用中频带通采样技术实现LTE—TDD信号接收,可进一步提升其系统带宽。给出了基于FPGA的LTE-TDD接收系统具体设计方案,并对各部分主要电路设计进行了详细阐述,包括信号调理电路、A/D转换器电路、FPGA电路以及电源电路设计。该系统由于采用了FPGA,因此具有较高的实用性和灵活性。
The design and realization of LTE-TDD receiving system based on FPGA is introduced in the paper.The IF band-pass sampling technology is adopted to receive LTE-TDD signal in order to increase system bandwidth.The design of LTE-TDD receiving system based on FPGA is given and the main circuit design which includes signal adjusting circuits,A/D converter circuit,FPGA circuit and power circuit are described in detail.The system has high availability and flexibility as to FPGA used.
出处
《信息通信》
2011年第4期37-38,共2页
Information & Communications
关键词
FPGA
频分双工
时分双工
带通采样
Field-programmable gate array
Frequency division duplexing
Time division duplexing
Bandpass sampling