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Joint Frequency Offset and Channel Estimation for MIMO Systems in the Presence of Timing Error

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Abstract

This paper deals with the problem of joint frequency offset (FO) and channel estimation for multi-input multi-output (MIMO) systems in the presence of a timing error. Two equivalent signal models with FO and a timing error are given, and then a joint estimation method is derived. The proposed estimation method consists of two steps. Firstly, a maximum likelihood (ML) FO estimator is proposed based on the second signal model. Secondly, based on the FO estimate, we formulate the timing error and channel estimation as a problem of composite hypothesis testing according to the first signal model, and then solve the problem using a composite hypothesis testing approach. Simulation results are performed to show the effectiveness of the proposed method.

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Authors and Affiliations

  1. Broadband Wireless Communications Laboratory, Information Science Institute, State Key Laboratory of Integrated Service Networks, Xidian University, PO Box 102, Xi’an, 710071, China

    Wei Dong, Jiandong Li, Zhuo Lu & Wen Zhang

Authors
  1. Wei Dong
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  2. Jiandong Li
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  3. Zhuo Lu
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  4. Wen Zhang
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Corresponding author

Correspondence to Wei Dong.

Additional information

This research was partially supported by the National Science Fund for Distinguished Young Scholars (No. 60725105), the National Basic Research Program of China (No. 2009CB320404), the National Natural Science Foundation of China (No. 60572146), The Research Fund for the Doctoral Program of Higher Education (No. 20050701007), the Fund of Teaching and Research Award Program for Outstanding Young Teachers in Higher Education Institute of China, the Key Project of Science and Technologies Research of MOE (No. 107103), and the 111 Project (B08038).

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Dong, W., Li, J., Lu, Z. et al. Joint Frequency Offset and Channel Estimation for MIMO Systems in the Presence of Timing Error. Circuits Syst Signal Process 29, 275–293 (2010). https://doi.org/10.1007/s00034-009-9146-z

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  • DOI: https://doi.org/10.1007/s00034-009-9146-z

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