Architecture and Algorithm for a Stochastic Soft-output MIMO Detector

Authors: Kiarash Amiri, Predrag Radosavljevic & Joseph R. Cavallaro

Abstract

In this paper, we propose a novel architecture for a soft-output stochastic detector in multiple-input, multiple-output (MIMO) systems. The stochastic properties of this detector are studied and derived in this work, and several complexity reduction techniques are proposed to significantly reduce its cost from an architecture-implementation perspective. We also propose an efficient architecture to implement this detector. Finally, this detector is incorporated into an iterative detection-decoding structure, and through simulations, it is shown that the overall frame error rate (FER) performance and complexity is of the same order as that of the conventional K-best sphere detector.

@inproceedings{Amiri:2007,
	Author = {K. Amiri, P. Radosavljevic and J. R. Cavallaro},
	Booktitle = {Proc. 2007 Asilomar Conference on Signals and Systems},
	Title = {Architecture and Algorithm for a Stochastic Soft-output MIMO Detector},
	Year = {2007}}