The new estimators are compared with well-known ones, such as the EM, the decision-directed (DD), and the data-aided (DA) estimators. Simulations are reported ...
It is shown that the UEM channel estimator outperforms the EM, and that the ECM-based estimators are very close to the EM-based ones. Index Terms—Channel ...
Iterative channel estimation can improve the channel-state information (CSI) with respect to noniterative estimation. New iterative channel estimators based ...
[PDF] Comparison of EM-Based Algorithms for MIMO Channel ...
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It is shown that the UEM channel estimator outperforms the EM, and that the ECM-based estimators are very close to the EM-based ones.
Comparison of EM-based algorithms for MIMO channel estimation ; Authors. Wautelet, Xavier; Herzet, Cédric; Dejonghe, Antoine; Louveaux, Jérôme; Vandendorpe, Luc ...
The Belief Propagation (BP) or the Sum-Product decoding algorithm (SPA) performs well but at the cost of high hardware, long processing time and has dependency ...
We present simulation results to compare these algorithms on the basis of their performance and rate of convergence. We also derive Cramer-Rao-like lower bounds ...
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This paper presents a novel semi-blind method for channel estimation and symbol detection in multiple input multiple output–orthogonal frequency division ...
Computer simulations show that, compared with the traditional EM-based channel estimation, the novel method has a great advantage of estimation accuracy. NOVEL ...
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This paper presents a novel. Expectation Maximization (EM) algorithm which optimally utilizes all available information at the receiver and thus enhances the ...