计算机工程与应用2016，Vol.52Issue(11)：94-100,107,8.DOI:10.3778/j.issn.1002-8331.1407-0147
EBPSK调制通信系统中非线性检测的研究
Research on nonlinear detection of EBPSK modulation communication system
摘要
Abstract
This paper discusses the Extended Binary Phase Shift Keying(EBPSK)modulation communication system by applying detection technology to achieve high spectral efficiency while reducing energy consumption. The SIF can trans-form phase modulation into amplitude changes, so the tiny difference of the received waveforms can be separated. The nonlinear detection with Support Vector Machine(SVM)technique is used in EBPSK communication system, due to the difficulties for achieving the optimal performance by Threshold Decision(TD). The union selection methods are present-ed to get the vector with fewer dimensions for SVM detector. Also, proper kernel selecting with parameter optimization and complexity reduction are analyzed. Simulation results show that the SVM nonlinear detector can obtain the maximum SNR gain at 7 dB under low dimension feature vector and low sampling rate. Thus, EBPSK modulation system can not only enhance the performance of detection by using SVM technique, but also has the ability of anti-interference and robust-ness to sampling rate.关键词
非线性检测/支持向量机/扩展的二元相移键控/绿色通信Key words
nonlinear detection/support vector machine/extended binary phase shift keying/green communication分类
信息技术与安全科学引用本文复制引用
陈贤卿,靳一..EBPSK调制通信系统中非线性检测的研究[J].计算机工程与应用,2016,52(11):94-100,107,8.基金项目
国家自然科学基金青年基金项目(No.51405450). （No.51405450）
