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Adaptive MIMO decision feedback equalization for receivers in time-varying channels

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3 Author(s)
Jihoon Choi ; Div. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea ; Yu, Heejung ; Lee, Y.H.

In an attempt to reduce the computational complexity of the vertical Bell Labs layered space time (V-BLAST) processing for time-varying channels, an efficient adaptive receiver is developed based on the generalized decision feedback equalizer (GDFE) architecture. This receiver updates the filter weight vectors using a recursive least squares (RLS)-based time- and order-update algorithm. In time-varying channels, the proposed adaptive technique can be considerably simpler to implement than the V-BLAST processor with the channel tracking, yet its performance is almost comparable to that of the latter.

Published in:

Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual  (Volume:3 )

Date of Conference:

22-25 April 2003