A UNITARY ESPRIT ALGORITHM FOR CARRIER FREQUENCY OFFSET ESTIMATION

被引：0
作者：
Ferreira, Tadeu N. [1 ,2 ]
Netto, Sergio L. [2 ]
Diniz, Paulo S. R. [2 ]
机构：
[1] Univ Fed Fluminense UFF, Telecommun Dept, Rua Passo Patria,156,Bl D,Sala 500, BR-24210240 Niteroi, RJ, Brazil
[2] Univ Fed Rio de Janeiro, Elect Engn Program COPPE Poli, BR-21941972 Rio De Janeiro, RJ, Brazil
来源：
2011 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS) | 2011年
关键词：
Direction of arrival estimation; Parameter estimation; Array signal processing; OFDM;
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：
This article presents a low-complexity parametric algorithm for the estimation of the carrier frequency offset (CFO) in orthogonal frequency division multiplexing systems. The proposed algorithm is equivalent to the Unitary ESPRIT algorithm, originally devised for estimating the direction-of-arrival of a wavefront, now applied to the CFO scenario. It is verified that the proposed algorithm reduces the overall computational complexity in around 40%, while sustaining the error-rate performance achieved by the standard ESPRIT algorithm.
引用
收藏
页码：629 / 632
页数：4
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