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Combined multiple transmit antennas and multilevel modulation techniques
Delft University of Technology. (Wireless and Mobile Communication Group)
tmeTelecommunication and Traffic-Control Systems Group, Deparnt of Information Technology and Systems, Delft University of Technology, 2600 GA Delft, The Netherlands. (Wireless and Mobile Communication Group)
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. (Radio Communication Systems)ORCID iD: 0000-0001-9697-9978
2007 (English)In: 28th Symposium on Information Theory in the Benelux, 2007, 1-8 p.Conference paper (Refereed)
Abstract [en]

The use of a unique bit-to-symbol mapping for each diversity branch (often referred to as constellation rearrangement) is known to provide good performance for higher level linear modulation techniques when used in conjunction with orthogonal transmit diversity (OTD) and automatic repeat request (ARQ) schemes. This paper investigates the performance of constellation rearrangement scheme when used in conjunction with multiple transmit antennas and space time block codes. A modified space-time block coding structure is presented that employs a different constellation mapping on each diversity branch. It is seen that, the use of different constellation mappings in the space time block coded systems provide a better performance as compared to the OTD systems while maintaining the same spectral efficiency.

Place, publisher, year, edition, pages
2007. 1-8 p.
National Category
Computer and Information Science
Research subject
URN: urn:nbn:se:kth:diva-30592OAI: diva2:400893
28th Symposium on Information Theory in the Benelux. Enschede, The Netherlands, May 24-25, 2007
QC 20111114Available from: 2011-02-28 Created: 2011-02-28 Last updated: 2011-12-13Bibliographically approved

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