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Benefits of modulation diversity in turbo-coded OFDM systems
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0001-8647-436X
Huawei Technologies Sweden.
2004 (English)In: IEEE Vehicular Technology Conference (VTC) Proceedings, ISSN 1550-2252, Vol. 59, no 2, 929-933 p.Article in journal (Refereed) Published
Abstract [en]

In this paper we show that the use of modulation diversity provides gains to punctured, turbo-coded OFDM systems. For an OFDM transmission scenario based on the downlink of the 3GPP standard for mobile communications, we show that the order-2 modulation diversity observed for the raw bit-error rate transfers to the block-error rate in a number of investigated channel environments. We demonstrate gains of up to 2.5 dB depending on the puncturing rate of the scheme and the particular channel characteristics. Alternatively, for schemes with higher puncturing rates, 2 or 3 turbo decoder iterations suffice to achieve the same performance as achieved by 8 decoder iterations in a regular transmission

Place, publisher, year, edition, pages
2004. Vol. 59, no 2, 929-933 p.
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-38086Local ID: c5a7f38a-e366-42cc-8592-407553e9c0b1OAI: oai:DiVA.org:ltu-38086DiVA: diva2:1011585
Note
Godkänd; 2004; 20140815 (andbra); Konferensartikel i tidskriftAvailable from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-01-19Bibliographically approved

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