Band-selective estimation for IQ-imbalance and carrier frequency offset in OFDM systems

Chih-Hung Kuo, Ping Ma, Chi Fang Chang

研究成果: Conference contribution

3 引文 斯高帕斯(Scopus)

摘要

In this paper, we propose a high-precision digital framework to compensate for non-ideal effects in the analog front-end circuits for wireless communication systems. The IQ imbalance and the carrier frequency offset (CFO) are jointly estimated with a band-selective mechanism of the orthogonal frequency division multiplexing (OFDM) system. The compensable CFO range is four times wider than prior schemes. The proposed mechanism divides the whole range of CFO bandwidth into three bands: the high-CFO band, the medium-CFO band, and the low-CFO band. The least-square (LS) based method is performed to simultaneously estimate the IQ imbalance and the CFO. Simulation results show that the proposed band-selective algorithm provides accurate estimation, with the average error less than 0.13%.

原文English
主出版物標題2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014
發行者Institute of Electrical and Electronics Engineers Inc.
頁面1708-1711
頁數4
ISBN(列印)9781479934324
DOIs
出版狀態Published - 2014 一月 1
事件2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014 - Melbourne, VIC, Australia
持續時間: 2014 六月 12014 六月 5

出版系列

名字Proceedings - IEEE International Symposium on Circuits and Systems
ISSN(列印)0271-4310

Other

Other2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014
國家/地區Australia
城市Melbourne, VIC
期間14-06-0114-06-05

All Science Journal Classification (ASJC) codes

  • 電氣與電子工程

指紋

深入研究「Band-selective estimation for IQ-imbalance and carrier frequency offset in OFDM systems」主題。共同形成了獨特的指紋。

引用此