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  •   DSpace@Işık
  • 1- Fakülteler | Faculties
  • Mühendislik Fakültesi / Faculty of Engineering
  • Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering
  • MF - Makale Koleksiyonu | Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering
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Design and performance analysis of a novel trellis coded space-time-frequency OFDM transmission scheme

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Date

2008-01

Author

Oğuz, Onur
Aygölü, Hasan Ümit
Panayırcı, Erdal

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Citation

Oğuz, O., Aygölü, H. Ü. & Panayırcı, E. (2008). Design and performance analysis of a novel trellis coded space–time–frequency OFDM transmission scheme. European Transactions on Telecommunications, 19(1), 67-75. doi:10.1002/ett.1214

Abstract

In this paper a new transmit diversity technique is proposed for wireless communications over frequency selective fading channels. The proposed technique utilises orthogonal frequency division multiplexing (OFDM) to transform a frequency selective fading channel into multiple flat fading subchannels on which first space-frequency coding and then additional space-time coding are applied resulting in a space-time-frequency OFDM (STF-OFDM) scheme. This scheme provides a quasi-orthogonal 4 x 4 transmission matrix but relax the constraint on channel fading parameters to be constant over four time or frequency slots into two time and two frequency slots. The pairwise error probability of the new scheme is evaluated and new code design criteria are obtained to improve the error performance. 64-, 128- and 256-state 4-PSK trellis codes for STF transmission scheme are generated based on these criteria and their frame error performances in an OFDM system are evaluated by computer simulations.

Source

European Transactions on Telecommunications

Volume

19

Issue

1

URI

https://hdl.handle.net/11729/310
http://dx.doi.org/10.1002/ett.1214

Collections

  • MF - Makale Koleksiyonu | Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering [181]
  • Scopus İndeksli Makale Koleksiyonu [916]
  • WoS İndeksli Makale Koleksiyonu [933]



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