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Channel Estimation and Interference Rejection for Multichannel Systems
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774
1998 (English)In: Proceedings Asilomar Conference on Signals, Systems & Computers, 1998, 769-773 p.Conference paper, Published paper (Refereed)
Abstract [en]

A number of schemes for blind channel estimation have been proposed to mitigate the problem of intersymbol (ISI) and co-channel interference (CCI) in mobile communication environments. In many of the proposed schemes no attention is paid to the fact that in most existing and scheduled future systems, training sequences will be available within the transmission protocol of the desired users. In this paper a semi-blind approach utilizing the rich structure inherent in the base station antenna array output and the knowledge of the desired user's training sequence is proposed in order to improve the transmission link performance. In the described approach cancellation of unknown interfering sources is performed based on blind estimation of their corresponding channels allowing the channels of the desired users to be estimated using a conventional training sequence based channel estimation algorithm

Place, publisher, year, edition, pages
1998. 769-773 p.
Keyword [en]
Antenna arrays, Base stations, Blind equalizers, Channel estimation, Interchannel interference, Intersymbol interference, Mobile communication, Protocols, Radiofrequency interference, Transmitting antennas
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-77439DOI: 10.1109/ACSSC.1998.750965OAI: oai:DiVA.org:kth-77439DiVA: diva2:491615
Conference
Thirty-Second Asilomar Conference on Signals, Systems & Computers
Note
Invited paper NR 20140805Available from: 2012-02-06 Created: 2012-02-06 Last updated: 2012-02-06Bibliographically approved

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Ottersten, Björn

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