NDLI: Blind identification of MIMO channels with periodic precoders

Content Provider	IEEE Xplore Digital Library
Author	Weizhou Su Qingqi Bi Wei Xing Zheng Shengli Xie
Copyright Year	2008
Description	Author affiliation: Sch. of Autom. Sci. & Eng., South China Univ. of Technol., Guangzhou (Weizhou Su; Qingqi Bi)
Abstract	This paper studies the blind identification problem for multiple-input multiple-output (MIMO) FIR channels, in which the source signals are modulated by high order periodic precoders. A set of new design criteria of the periodic precoders is proposed from the channel blind identification viewpoint for multiuser channels. It is shown that, due to the fact that high order periodic precoders are used in the modelling problem, certain simple orthogonality among user's signals can be introduced by a set of proper designed periodic precoders. This results in a simple blind identification algorithm and the impulse response of every subchannel can also be determined uniquely up to a unitary scalar based on the received signals' second order statistics (SOS) and a priori information of the periodic precoders. Simulation results illustrate that the developed blind identification algorithm is efficient.
Starting Page	133
Ending Page	136
File Size	173212
Page Count	4
File Format	PDF
ISBN	9781424416837
DOI	10.1109/ISCAS.2008.4541372
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Finite impulse response filter Signal processing Automation Multiuser channels Statistics Density functional theory Computer simulation Mathematics Australia power spectral density function Blind identification MIMO channels periodic precoders
Content Type	Text
Resource Type	Article

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