NDLI: Co-channel interference mitigation in the time-scale domain: the CIMTS algorithm

Content Provider	IEEE Xplore Digital Library
Author	Heidari, S. Nikias, C.L.
Copyright Year	1991
Abstract	In many communication systems, the problem of co-channel interference is encountered when along with the signal of interest (SOI), and one or more interfering signals are present in a common receiver. The SOI and the interference are correlated, possess similar characteristics and power, and share the same region of support both in the time and frequency domains. In this paper, we present co-channel interference mitigation in the time-scale domain (CIMTS) algorithm (for MPSK signals) which estimates the SOI and the interfering signal from their superposition in the presence of additive noise. This method is inspired by the reconstruction of interference from the null space of the SOI in the time-scale domain. Once the null space of the SOI is determined, the interfering signal is reconstructed via a set of linear operations. Therefore, the SOI is estimated by a simple subtraction of the estimated interference from the observations.
Sponsorship	IEEE Signal Processing Society
Starting Page	2151
Ending Page	2162
Page Count	12
File Size	1131168
File Format	PDF
ISSN	1053587X
Volume Number	44
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interchannel interference Wideband Signal processing Frequency domain analysis Additive noise Interference suppression Null space Intersymbol interference Interference cancellation
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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