Recursive Frequency Offset Estimation for MIMO System in Flat-Fading Channels

Xiaoxu CHEN  Tao LIU  Yaohuan GONG  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E92-A   No.8   pp.2124-2128
Publication Date: 2009/08/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E92.A.2124
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Digital Signal Processing
MIMO,  frequency offset,  recursive estimation,  

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This letter presents recursive frequency offset estimation for MIMO (Multiple Input Multiple Output) system in flat-fading channels. With the recursive estimation, the frequency offset range in MIMO system can be extended compared with normal estimation. Simulation results show that the recursive frequency offset estimation is valid for large frequency offset.