Theoretical bit error floor analysis of 16 QAM OFDM signal with channel estimation using polynomial interpolation

Vincent Savaux 1 Alexandre Skrzypczak 2 Yves Louët 1
1 IETR - Institut d'Electronique et de Télécommunications de Rennes
2 Zodiac Data Systems
Abstract : This paper deals with a bit error rate (BER) floor performance analysis for orthogonal frequency division multiplexing (OFDM) systems using pilot-aided channel estimation with polynomial interpolations. Such a performance analysis has been previously undertaken in the literature, but is limited to binary phase shift keying (BPSK) and 4-quadrature amplitude modulation (4-QAM) constellations. The main contribution of this paper is then to analyze the BER floor achieved by a 16-QAM OFDM signal in a Rayleigh channel. To achieve this, the binary error probability is obtained by carrying out the analysis on maximum significant bits (MSB) and least significant bits (LSB). The MSB leads to the similar results as those obtained in 4-QAM, but very specific developments are required to obtain the error probability of the LSB. Numerical results show that the proposed BER performance analysis is valid for the 16-QAM constellation.
Keywords : Mean square error OFDM Rayleigh channel. Bit error rate Channel estimation Interpolation
Type de document :
Article dans une revue
IET Signal Processing, Institution of Engineering and Technology, 2016, 10 (3), pp.254-265. 〈10.1049/iet-spr.2015.0099 〉
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01324561
Contributeur : Myriam Andrieux <>
Soumis le : mercredi 1 juin 2016 - 11:05:00
Dernière modification le : mercredi 16 mai 2018 - 11:23:50

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Vincent Savaux, Alexandre Skrzypczak, Yves Louët. Theoretical bit error floor analysis of 16 QAM OFDM signal with channel estimation using polynomial interpolation . IET Signal Processing, Institution of Engineering and Technology, 2016, 10 (3), pp.254-265. 〈10.1049/iet-spr.2015.0099 〉. 〈hal-01324561〉

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