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MIMO Receiver Using Reduced Complexity Sequence Estimation With Channel Estimation and Tracking
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DOI：10.1109/TVT.2008.926589.png)
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摘要
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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.
Keyword:
Channel estimation
equalizers
fading channels
mobile communication
multiple-input-multiple-output (MIMO) systems
期刊
IF:
7.1
论文数:
1.8W
被引数:
6.6W
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