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Title: Joint channel and frequency offset estimation in distributed MIMO flat-fading channels
Authors: Pham, T.-H. 
Nallanathan, A. 
Liang, Y.-C.
Keywords: Channel estimation
Flat-fading channel
Frequency offset estimation
Multi-input multi-ouput (MIMO)
Issue Date: Feb-2008
Citation: Pham, T.-H., Nallanathan, A., Liang, Y.-C. (2008-02). Joint channel and frequency offset estimation in distributed MIMO flat-fading channels. IEEE Transactions on Wireless Communications 7 (2) : 648-656. ScholarBank@NUS Repository.
Abstract: In this paper, we consider the problem of joint channel and frequency offset estimation in a flat-fading multiinput multi-output (MIMO) system. We assume that each pair of transmit and receive antennas has a different frequency offset. We present two computationally efficient iterative algorithms based on expectation conditional maximization (ECM) and space-alternating generalized expectation-maximization (SAGE) algorithms. The mean-square-error (MSE) performance of the interested parameters for the proposed algorithms is compared with the Cramér-Rao Bound (CRB). Simulation results show that the proposed iterative algorithms achieve the CEB and overcome the drawbacks of existing algorithms. © 2008 IEEE.
Source Title: IEEE Transactions on Wireless Communications
ISSN: 15361276
DOI: 10.1109/TWC.2008.060605
Appears in Collections:Staff Publications

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