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Cancellation Technique to Reduce Intercarrier Interference in OFDM
Telecommunication Program/SAT/Asian Institute of Technology, P.O.Box 4, Klong Luang, Pathumthani, 12120, Thailand.
Telecommunication Program/SAT/Asian Institute of Technology, P.O.Box 4, Klong Luang, Pathumthani, 12120, Thailand.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0001-9697-9978
2000 (English)In: Electronics Letters, ISSN 0013-5194, E-ISSN 1350-911X, Vol. 36, no 25, 2078-2079 p.Article in journal (Refereed) Published
Abstract [en]

Orthogonal frequency division multiplexing (OFDM) systems are sensitive to frequency errors, which cause intercarrier interference among subcarriers. A new cancellation method to reduce the effects of frequency offset errors is presented. The main feature is to map each data symbol ak which is to be transmitted onto a pair of non-adjacent subcarriers, with weightings +1 and -1, rather than to a single subcarrier. The carrier-to-interference ratio gain of the proposed method over normal OFDM varies between 10 to 30 dB. This method also offers a frequency diversity effect in a multipath fading channel.

Place, publisher, year, edition, pages
IEEE , 2000. Vol. 36, no 25, 2078-2079 p.
National Category
Computer and Information Science
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-29796DOI: 10.1049/el:20001456ISI: 000166081100017OAI: oai:DiVA.org:kth-29796DiVA: diva2:398069
Note
QC 20110217Available from: 2011-02-16 Created: 2011-02-16 Last updated: 2017-12-11Bibliographically approved

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