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The MIMO-OFDM beamforming design problem is addressed from a system level standpoint. A beamforming method is proposed which helps improve the receiver channel estimation performance without degrading any benefit of a conventional beamformer. To that end, the smoothed singular value decomposition (SSVD) algorithm is first developed to get "close" effective channels after beamforming for...
This paper takes a system view of the MIMO-OFDM beamformer design problem. We present a design method that helps improve the receiver channel estimation performance without damaging the optimality of beamforming. We design a so-called smoothed singular value decomposition (SSVD) algorithm to get smooth equivalent channels after beamforming, and thus the receiver can apply interpolation and smoothing...
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