基于FPGA的DQPSK调制解调系统设计  

Design of DQPSK Modulation and Demodulation System Based on FPGA

作　　者：刘海溶[1] 

机构地区：[1]桂林电子科技大学信息与通信学院,广西桂林541004

出　　处：《广西通信技术》2011年第2期28-33,共6页Guangxi Communication Technology

摘　　要：基于软件无线电的应用背景,设计了一种采用FPGA实现的DQPSK调制解调系统。重点介绍了采用Verilog HDL设计DQPSK差分编解码,以及锁相环法实现载波同步。给出了采用系统生成器建模实现和仿真。Design a DQPSK modulation and demodulation system based on the application background of soft radio,which can be implemented through adopting FPGA.It mainly focus on the differential coding-decoding and carrier synchronization of DQPSK,which separately use the design of verilog HDL as well as the phase locked loop.Moreover,the imple-mentation and simulation using system generator are given.

关 键 词：现场可编程阵列 差分四相相移键控 调制解调 系统生成器 

分 类 号：TN91[电子电信—通信与信息系统]