Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (13): 74-76.

• 网络、通信、安全 • Previous Articles     Next Articles

All-digital QPSK demodulator solution for DVB-S standard

CHANG Hongming,LIN Jiming,FU Jielin,TANG Yongjun   

  1. School of Information & Communication Engineering,Guilin University of Electronic Technology,Guilin,Guangxi 541004,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-05-01 Published:2011-05-01

用于DVB-S的全数字QPSK解调器方案

常洪明,林基明,符杰林,唐永军   

  1. 桂林电子科技大学 信息与通信学院,广西 桂林 541004

Abstract: An all-digital Quadrature Phase Shift Keying(QPSK) demodulator system,which has simple structure,easy FPGA hardware implementation,wide range of correction to frequency offset and reliable performance character,is designed for the Digital Video Broadcasting-Satellite(DVB-S).The solution has been tested on the FPGA hardware platform of a company and been implemented in a commercial product.

Key words: Digital Video Broadcasting-Satellite(DVB-S), Quadrature Phase Shift Keying(QPSK), Field-Programmable Gate Array(FPGA)

摘要: 根据Digital Video Broadcasting-Satellite(DVB-S)标准,设计了一种结构简单、算法易于FPGA硬件实现、可纠频偏范围大、性能较稳定的全数字正交相移键控调制(Quadrature Phase Shift Keying,QPSK)解调器系统实现方案,经过企业FPGA硬件平台调试,已被某商业产品采用。

关键词: 数字卫星广播系统标准(DVB-S), 正交相移键控调制(QPSK), 现场可编程门阵列(FPGA)