Blind estimation of multiple digital signals transmitted over FIRchannels
Van der Veen, A.-J.
Talwar, S.
Paulraj, A.
Inf. Syst. Lab., Stanford Univ., CA;
This paper appears in: Signal Processing Letters, IEEE
Publication Date: May 1995
Volume: 2,
Issue: 5
On page(s): 99-102
ISSN: 1070-9908
References Cited: 8
CODEN: IESPEJ
INSPEC Accession Number: 4963540
Digital Object Identifier: 10.1109/97.386290
Current Version Published: 2002-08-06
Abstract
Using oversampling and the finite-alphabet property of digital
communication signals, it is possible to blindly identify an FIR channel
carrying a superposition of such signals, provided they have the same
(known) period, and certain rank conditions on the data and channel
matrices are satisfied. In particular, this technique allows separation
of finite alphabet signals, removal of intersymbol interference, and
synchronization of the signals. An algorithm is proposed and tested on
simulated data
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