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On Coding of Scheduling Information in OFDM
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7599-4367
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2009 (English)In: Proceedings of the 69th IEEE Vehicular Technology Conference, 2009Conference paper, Published paper (Refereed)
Abstract [en]

Control signaling strategies for scheduling information in cellular OFDM systems are studied. A single-cell multiuser system model is formulated that provides system capacity estimates accounting for the signaling overhead. Different scheduling granularities are considered, including the one used in the specifications for the 3G Long Term Evolution (LTE). A greedy scheduling method is assumed, where each resource is assigned to the user for which it can support the highest number of bits. The simulation results indicate that the cost of control signaling does not outweigh the scheduling gain, when compared with a simple round-robin scheme that does not need signaling of scheduling information. Furthermore, in the studied scenario, joint coding and signaling of scheduling information over all selected users is found to be superior to separate coding and signaling for each user. The results also indicate that the scheduling granularity used for LTE provides better performance than the full granularity.

Place, publisher, year, edition, pages
2009.
Keyword [en]
OFDM modulation, Cellular radio, Encoding, Scheduling, Multi-access systems
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-25575DOI: 10.1109/VETECS.2009.5073719ISI: 000273169201093ISBN: 978-1-4244-2517-4 (print)OAI: oai:DiVA.org:liu-25575DiVA: diva2:245939
Conference
69th IEEE Vehicular Technology Conference, Barcelona, Spain, 26-29 April, 2009
Note

©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. Jonas Eriksson, Reza Moosavi, Erik G. Larsson, Niklas Wiberg, Pål Frenger and Fredrik Gunnarsson, On Coding of Scheduling Information in OFDM, 2009, Proceedings of the 69th IEEE Vehicular Technology Conference (VTC'09). http://dx.doi.org/10.1109/VETECS.2009.5073719

Available from: 2009-10-08 Created: 2009-10-08 Last updated: 2016-08-31

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Gunnarsson, FredrikMoosavi, RezaEriksson, JonasLarsson, Erik G.

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CiteExportLink to record
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