Data aided joint estimation of carrier frequency offset and frequency selective time varying channel

被引：4
|
作者：
Ricklin, Nathan [1 ]
Zeidler, James R. [1 ]
机构：
[1] Univ Calif San Diego, Sch Elect & Comp Engn, La Jolla, CA 92037 USA
来源：
2008 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, PROCEEDINGS, VOLS 1-13 | 2008年
关键词：
D O I：
10.1109/ICC.2008.116
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The issue of data aided joint carrier frequency offset (CFO) and channel estimation is investigated in the presence of a rapidly time varying frequency selective channel. We derive novel joint CFO/channel estimators for two cases: known and unknown channel statistics. The CFO estimator that makes use of known channel statistics is shown to attain the Cramer Rao bound. If channel statistics are unknown to the estimator then a parameterization of the time varying channel is required and this is shown to degrade performance. Theoretical analysis of the derived estimators is provided along with simulation results.
引用
收藏
页码：589 / 593
页数：5
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