MIMO Receiver Using Reduced Complexity Sequence Estimation with Channel Estimation and Tracking (2009)
AuthorsKho, Y.H., Taylor, D.P.show all
A sequence-based multiple-input-multiple-output receiver incorporating channel estimation and tracking for a frequency selective fading environment is developed. It employs near-maximum likelihood sequence estimation using the partitioned Viterbi algorithm and offers linearly increasing complexity with the number of transmit antennas. The receiver implements channel estimation and tracking using a vector-polynomial-based generalized recursive least squares algorithm. The resulting integrated receiver can operate in a continuously time-varying Rayleigh or Rician fading environment. Simulation results show that it offers a good tradeoff between complexity and performance. Further complexity reduction can be achieved using tentative decisions as reference signals to the estimator and a reduced complexity form of the estimator.
CitationKho, Y.H., Taylor, D.P. (2009) MIMO Receiver Using Reduced Complexity Sequence Estimation with Channel Estimation and Tracking. IEEE Transactions on Vehicular Technology, 58(2), pp. 682-691.
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