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Detection Switching in an Iterative Receiver for MIMO-BICM systems

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4 Author(s)
Tao Yang ; New South Wales Univ., NSW ; Jinhong Yuan ; Zhenning Shi ; Reed, M.C.

An iterative receiver with a list sphere detector (LSD) and a parallel interference canceller (PIC) for MIMO-BICM systems is considered. The convergence behavior of the iterative detection and decoding schemes are analyzed via variance transfer (VTR) functions. For slow fading channels, we propose a detection switching (DSW) approach for the iterative receiver which employs an LSD with a reduced list size for the first few iterations and a PIC for the subsequent iterations, while the switching criterion is based on the cross entropy of the decoding information. By applying the DSW, we show that the near-capacity performance can be approached with a significantly reduced complexity

Published in:

Information Theory Workshop, 2006. ITW '06 Chengdu. IEEE

Date of Conference:

22-26 Oct. 2006