… In Section 3, we analyse a conventional LMMSE channel estimation algorithm for an OFDM
system. We present low complexity LMMSE channel estimators by partitioning of channel …

… II, we present the statistical model and channel estimator in Section III, along with the extension
to PSAM and the link with the CLS estimator. The time–frequency interpretation of the ML …

… studies an efficient low complexity receiver that jointly performs channel estimation based on
… Superimposed pilots suppress the overheads associated with channel estimation based on …

… channel estimation techniques. 3) We analyze the performances and complexity of different
channel estimation … MIMO-OFDM channel models, but has significantly lower complexity. …

… the estimator complexity while retaining an accurate frequency domain channel estimation.
… proposed low complexity channel estimators for space–time trellis coded OFDM systems. …

… LOW-COMPLEXITY BAYESIAN PEACH ESTIMATORS In this section, we propose several
low-complexity Bayesian channel estimators based on the concept of polynomial expansion. …

… low complexity channel estimation scheme, in which an OFDM symbol is divided into several
groups and channel estimation … same estimator is used to perform channel estimation for all …

… Furthermore, we develop a lowcomplexity bidirectional channel estimator, where the … to
exploit the channel correlation information, and the intermediate channel estimation results in the …

… channel estimates is often degraded by pilot contamination. In this paper, we propose a
lowcomplexity semiblind channel estimation … a low-complexity modified power method. An initial …

… In this paper, we have investigated a reduced complexity channel estimation for an OFDM
system with space–time coding in time-varying, dispersive multipath fading channels. In …