Quasi-Newton Based Kalman Filter Channel Estimation for OFDM Systems

被引：0

作者：

Nam, Seung-Hyun ^{[1
]}

Kim, Hee Wook ^{[1
]}

Kang, Kunseok ^{[1
]}

Ahn, Do-Seob ^{[1
]}

Lee, Ho-Jin ^{[1
]}

机构：

[1] Elect & Telecommun Res Inst, Taejon 305606, South Korea

来源：

2010 DIGEST OF TECHNICAL PAPERS INTERNATIONAL CONFERENCE ON CONSUMER ELECTRONICS ICCE | 2010年

关键词：

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：

In this paper, Kalman filter method has been used for the estimate of time variant channels in OFDM systems. The estimation is based on Comb-type pilot in frequency domain. The channel coefficients that belong to the pilot subcarriers are estimated by Kalman filter. To reduce complexity, quasi-Newton methods are adapted for updating the gain of Kalman filter. Then, we can estimate channel parameter except for the inverse matrix which needs high complexity by using quasi-Newton methods.

引用

页数：2

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