Bayesian Bounds for Parameter Estimation and Nonlinear Filtering/Tracking
Bayesian Bounds for Parameter Estimation and Nonlinear Filtering/Tracking
Timing synchronization in decode-and-forward cooperative communication systems
IEEE Transactions on Signal Processing
Space-alternating generalized expectation-maximization algorithm
IEEE Transactions on Signal Processing
On parameter estimation of MIMO flat-fading channels with frequency offsets
IEEE Transactions on Signal Processing
Timing estimation in multiple-antenna systems over Rayleigh flat-fading channels
IEEE Transactions on Signal Processing
Implementation of a MIMO OFDM-based wireless LAN system
IEEE Transactions on Signal Processing
Joint channel and frequency offset estimation in distributed MIMO flat-fading channels
IEEE Transactions on Wireless Communications
Some lower bounds on signal parameter estimation
IEEE Transactions on Information Theory
From theory to practice: an overview of MIMO space-time coded wireless systems
IEEE Journal on Selected Areas in Communications
Capacity limits of MIMO channels
IEEE Journal on Selected Areas in Communications
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This paper proposes a timing-frequency offset estimation algorithm joint with channel estimation in distributed multi-input multi-output (MIMO) systems, in which different timing and frequency offsets are considered for each pair of transmit and receive antennas. Different from most of the existing methods which estimate the timing or frequency offsets separately, the proposed scheme makes a joint estimation with a maximum-likelihood (ML) estimation model. Furthermore, an iterative space-alternating generalized expectation-maximization (SAGE) estimator is proposed to provide a solution to the multi-dimensional extreme-value problem. And the Cramer-Rao bound (CRB) for multiple parameter estimation is also derived. Simulations show that the estimation performance of the proposed scheme can reach the CRB effectively.