Blind Equalization for Single Carrier Frequency Domain Equalization with Low Complexity

被引：0
|
作者：
Wang, Xin [1 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Coll Telecommun & Informat Engn, Nanjing, Peoples R China
来源：
2008 CHINA-JAPAN JOINT MICROWAVE CONFERENCE (CJMW 2008), VOLS 1 AND 2 | 2008年
关键词：
Single carrier frequency domain equalization; constant modulus algorithm; complexity; discrete Fourier transform;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel approach of blind constant modulus algorithm (CMA) for single carrier frequency domain equalization is proposed to solve the application of CMA implemented in frequency domain, based on the constant modulus property from frequency domain to time domain. It is illustrated that this method has lower complexity than time-domain subspace algorithm has in broad wireless systems. And compared with the frequency-domain algorithm in (5), the complexity of the new idea is greatly reduced as well. In this research, the transformation of constant modulus algorithm from time domain to frequency domain is obtained under the assumption that the source signal amplitude remains 1. Therefore, the validity of equation (8) results in the conclusion that the performance of symbol error of the method would not be influenced by the transformation from time domain to frequency domain. Simulation results demonstrate it.
引用
收藏
页码：685 / 688
页数：4
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