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Improvement for solving the mix-up problem in constant modulus arrays

为在经常的模量数组解决混杂问题的改进

作     者:Volani, K Constantinides, AG 

作者机构:Univ London Imperial Coll Sci Technol & Med Dept Elect & Elect Engn London SW7 2BT England 

出 版 物:《ELECTRONICS LETTERS》 (电子学快报)

年 卷 期:1999年第35卷第25期

页      面:2161-2163页

核心收录:

学科分类:0808[工学-电气工程] 0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 

主  题:mix-up problem Communication channel equalisation and identification QAM array signal processing quadrature amplitude modulation cost function blind adaptive equalisers blind equalisers adaptive equalisers constant modulus arrays Lagrange multiplier theory Signal processing and detection constant modulus algorithm robust algorithm CMA cost function 

摘      要:The authors propose an efficient and computationally fast algorithm for solving the mix-up problem in complex arrays. The Lagrange multiplier theory is used in the optimisation of the constant modulus algorithm (CMA) cost function and the input data are processed in blocks. Furthermore, a simplification of the CMA cost function is proposed that leads to a robust algorithm for solving this problem. Simulations are presented to support the analysis.

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