A family of reduced-constellation algorithms for blind equalization of square-QAM signals

被引：0
|
作者：
Abrar, S [1 ]
机构：
[1] COMSAT Inst Informat Technol, Dept Elect Engn, Islamabad 44000, Pakistan
来源：
17th ICM 2005: 2005 International Conference on Microelectronics, Proceedings | 2005年
关键词：
adaptive equalizers; blind equalization; quadrature amplitude modulation (QAM); multimodulus algorithm (MMA); reduced-constellation algorithm (RCA); constant modulus algorithm (CMA);
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 new class of blind adaptive channel equalization technique is presented which is based on reduced-constellation criterion. Under this criterion, the two-dimensional signal space is replaced with four-point constellation to compute blind estimate of the transmitted signal. The proposed algorithm is shown as a better alternative to an existing family of reduced-constellation (or multimodulus) algorithms. The proposed generalized reduced-constellation algorithm (GRCA) is shown to possess good interference cancellation capabilities.
引用
收藏
页码：296 / 300
页数：5
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