State-space estimation for OFDM and SC-FDE schemes with strongly varying carrier frequency offset

被引：3
|
作者：
Pedrosa, Pedro [1 ]
Dinis, Rui [1 ]
Nunes, Fernando [2 ]
机构：
[1] ISR, P-1049001 Lisbon, Portugal
[2] IT Inst Super Tecnico, P-1049001 Lisbon, Portugal
来源：
2007 INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS AND INFORMATION TECHNOLOGIES, VOLS 1-3 | 2007年
关键词：
carrier frequency offset; Kalman filter; orthogonal frequency division multiplexing; single carrier frequency-domain equalization;
D O I：
10.1109/ISCIT.2007.4392243
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：
Block transmission in wireless communications systems is very sensitive to Carrier Frequency Offset (CFO). In order to reduce the number of pilot symbols used in the estimation of rapidly-varying CFO it was proposed to use a truncated Taylor's series to predict the CFO, where the derivatives up to order d - 1 of the series terms are recursively estimated with a d-order Kalman filter (KF). We propose to compare the performance of fourth-order KF predictor in the most popular block transmission systems: OFDM and SC-FDE systems.
引用
收藏
页码：1446 / +
页数：2
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