On the diversity analysis of symbol remapping in cooperative BICM–OFDM scheme for frequency selective Rayleigh fading channels

Ali Jamshidi () and Maede Zolanvari ()
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Ali Jamshidi: Electrical and Computer Engineering School, Shiraz University
Maede Zolanvari: Electrical and Computer Engineering School, Shiraz University

Telecommunication Systems: Modelling, Analysis, Design and Management, 2017, vol. 66, issue 2, No 2, 169-180

Abstract: Abstract In this paper, diversity analysis of a symbol remapping scheme in cooperative systems is considered. We employ Bit Interleaved Coded Modulation and Orthogonal Frequency Division Multiplexing, which are widely used at wireless networks. In this paper, at the cooperative scheme, relays operate in DF mode and the effect of their erroneous detection will be considered. We present a closed form of the asymptotic worst-case pairwise error probability at the destination for our proposed scheme. It will be shown that this scheme exploits full spatial and frequency diversities. After that, we work on designing a new precoder matrix. Moreover, we propose two new subcarrier allocations for the proposed scheme. All new methods have been suggested to achieve the available diversities with a better performance than current state of the art. Finally, the simulation results reveal the analytical derivations and confirm the obtained diversity gain of the proposed systems.

Keywords: Bit-interleaved coded modulation; Orthogonal frequency division multiplexing; Cooperative communications; Modulated symbol remapping; Decode and forward (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s11235-017-0278-3

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