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Semi-blind channel estimation, as a combination method of blind channel estimation and training-based channel estimation, has an attractive improve on the performance of frequency spectrum efficiency. Enforcing the sparsity of channel impulse response as well as the constant modulus property of symbols, taking advantage of known training-based data, as well as unknown constant modulus symbols, an...
This paper presented novel Carrier Frequency Offset (CFO) acquisition together with multi-antenna channel estimation algorithms for burst-mode Multiple-Input Multiple-Output combined with Orthogonal Frequency Division Multiplexing (MIMO-OFDM) systems. The new algorithms take full advantage of some known channel information (for example, the length of channel impulse response L which can be estimated...
In this paper, a new reconfigurable processor for channel estimation in Orthogonal Frequency Division Multiplexing systems (OFDM) is proposed. The channel estimation algorithms are discussed and compared following the computational complexity criteria and the signal performances. Some representative algorithms are chosen to illustrate the different techniques of channel estimation, and are implemented...
In this paper, we derived joint frequency synchronization and channel estimation algorithms MIMO-OFDM systems (Multiple-Input Multiple-Output & Orthogonal Frequency Division Multiplexing). Although the new estimator is also based on Expectation Maximization (EM) algorithm, but unlike traditional estimator the new one utilized some known channel parameters to achieve estimator Matrix Dimensionality...
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