电子学报2016，Vol.44Issue(5)：1009-1016,8.DOI:10.3969/j.issn.0372-2112.2016.05.001
一种新的基于复指数函数映射的盲均衡算法
New Blind Equalization Algorithm Based on a Mapping from a Complex Exponential Function
摘要
Abstract
A new complex exponential function is defined to map the real and imaginary parts of a classic 1 6-QAM nonconstant modulus signal to the unit circle,respectively.With the relationship between the real and imaginary parts of the new constellation after mapping,a new cost function is built and then a new blind equalization algorithm is proposed.The proposed algorithm can converge the steady-state mean square error (MSE)to zero under a noiseless environment,which is different from the famous constant modulus algorithm (CMA)and some CMA-based improved algorithms.In addition,we provide the theoretical analysis of the proposed algorithm.Simulation results demonstrate that the proposed algorithm has the lower steady-state MSE than CMA and some CMA-based improved algorithms.关键词
盲均衡/恒模算法/复指数代价函数Key words
blind equalization/constant modulus algorithm/complex exponential cost function分类
信息技术与安全科学引用本文复制引用
饶伟,高惠娟,段美怡,张建秋..一种新的基于复指数函数映射的盲均衡算法[J].电子学报,2016,44(5):1009-1016,8.基金项目
国家自然科学基金（No．61401188，No．61171127）；江西省科技支撑计划项目（No．2013ZBBE50016）；国家（江西省）大学生创新创业训练计划项目 （）
