Properties of matrix polynomials and MIMO channel identifiabilityfrom second order statistics
Ding, Z.; Li Qiu
Decision and Control, 2000. Proceedings of the 39th IEEE Conference on
Volume 5, Issue , 2000 Page(s):4302 - 4307 vol.5
Digital Object Identifier 10.1109/CDC.2001.914578
Summary:Blind channel identification and equalization have attracted much
attention recently. Their potential application in wireless
communication systems has been explored. For multiple user systems,
several algorithms known to date require the assumption that the linear
system has a full rank convolution matrix. In fact, this assumption
requires that the system be irreducible and column reduced. In this
paper, we show that some of these algorithms can remain effective even
when the rank condition is related. Several algorithms, including the
outer-product decomposition, can still be applied with care for
irreducible (but not column reduced) MIMO linear systems
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