Blind symbol timing, frequency offset and carrier phase estimation in OFDM systems

被引：0

作者：

Fusco, T ^{[1
]}

Tanda, A ^{[1
]}

机构：

[1] Univ Naples Federico II, Dipartimento Ingn Elettron & Telecommun, I-80125 Naples, Italy

来源：

CONFERENCE RECORD OF THE THIRTY-SEVENTH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS, VOLS 1 AND 2 | 2003年

关键词：

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

This paper deals with the problem of joint symbol timing. frequency offset and carrier phase estimation. in orthogonal frequency division multiplexing (OFDM) systems with noncircular transmissions. In. this case, for a sufficiently large number of subcarriers, the OFDM signal results to be an improper complex Gaussian process since its pseudoautocorrelation function is different from zero. By exploiting the joint probability density function for improper complex Gaussian processes, maximum-likelihood (ML) estimators for the parameters of interest are derived, and moreover, their performance is compared with that of previously proposed AIL estimators for proper complex Gaussian processes.

引用

页码：179 / 183

页数：5

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