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The use of guard bands to mitigate multiple access interference in the OFDMA uplink
TU Berlin. (Telecommunication Networks Group)
TU Berlin. (Telecommunication Networks Group)ORCID iD: 0000-0002-9853-2608
TU Berlin. (Telecommunication Networks Group)
2008 (English)In: Proceedings of the 13th International OFDM-Workshop (InOWo),, 2008, 75-79 p.Conference paper, Presentation (Refereed)
Abstract [en]

The usual approach to mitigate multiple access interference (MAI) in the uplink of cellular OFDMA based systems is to use relatively large cyclic prefixes as time domain guard periods. In this paper, we suggest to use a combination of short time domain guard periods and frequency domain guard bands to protect against MAI instead. Guard bands can be added and removed as necessary and, thus, increase the MAI protection flexibility. We show that, if optimally applied, the use of guard bands can significantly increase the system’s uplink capacity or minimum capacity per user.

Place, publisher, year, edition, pages
2008. 75-79 p.
National Category
Communication Systems Telecommunications
URN: urn:nbn:se:kth:diva-95342OAI: diva2:527882
13th International OFDM-Workshop (InOWo), Hamburg, Germany.

QC 20130604

Available from: 2012-05-22 Created: 2012-05-22 Last updated: 2013-06-04Bibliographically approved

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Naghibi, Farshad
Communication SystemsTelecommunications

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