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Subcarrier Allocation for Variable Bit Rate Video Streams in Wireless OFDM Systems
2003 (English)In: Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th (Volume:4 ), IEEE conference proceedings, 2003, 2481-2485 p.Conference paper (Refereed)
Abstract [sv]

Wireless OFDM systems have attractive means for adapting wireless transmission to a given situation: one possibility is to assign a varying number of subcarriers to wireless terminals for downlink communication. Deciding how many and which subcarriers to assign to a given terminal is a difficult problem. This paper concentrates on deciding how many: we use the relative length of a terminal's queue in an access point to determine this number. Applying this scheme to the transmission of homogeneous MPEG-4 videos, we obtain a significant capacity increase compared to nonadaptive subcarrier allocation schemes.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2003. 2481-2485 p.
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URN: urn:nbn:se:kth:diva-136692DOI: 10.1109/VETECF.2003.1285980ISBN: 0-7803-7954-3OAI: diva2:676685
IEEE Vehicular Technology Conference 2003 (VTC Fall 2003),6-9 Oct. 2003

QC 20140103

Available from: 2013-12-06 Created: 2013-12-06 Last updated: 2014-01-03Bibliographically approved

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Gross, James

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