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Authors: Biling Zhang 1 ; Yipu Yuan 2 ; Jung-Lang Yu 3 ; Wei-Ting Hsu 3 and Yu-Jie Huang 3

Affiliations: 1 Beijing Univ. of Posts and Telecommunications, China ; 2 Quanzhou Normal Univ., China ; 3 Fu Jen Catholic Univ., Taiwan

Keyword(s): Space-Time Block Code, Multiple-Input Multiple-Output, Orthogonal Frequency Division Multiplexing, Subspace Channel Estimation, Forward-backward Method, Noise Prewhitening Technique.

Abstract: A novel subspace channel estimation is proposed for space-time block coded (STBC) multiple-input multiple–output (MIMO) orthogonal frequency division multiplexing (OFDM) systems. Considering the zero-padding technique, the signal model of the STBC-OFDM system is first studied. The major drawback of the subspace method is the slow convergence which requires a large number of received symbols to compute the noise subspace. The repetition index scheme is developed here to increase the number of equivalent received symbols. Using the space-time coding property, the forward-backward method is presented to improve the convergence speed further. Moreover, the repetition index scheme transforms the white noise into non-white one. The noise prewhitening technique is proposed to reduce the non-white noise effect. Computer simulations show the effectiveness of the proposed forward-backward method and noise prewhitening technique.

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Paper citation in several formats:
Zhang, B.; Yuan, Y.; Yu, J.; Hsu, W. and Huang, Y. (2017). Channel Estimation for Space-Time Block Coded OFDM Systems using Few Received Symbols. In Proceedings of the 7th International Joint Conference on Pervasive and Embedded Computing and Communication Systems (PECCS 2017) - SPCS; ISBN 978-989-758-266-0; ISSN 2184-2817, SciTePress, pages 87-92. DOI: 10.5220/0006381700870092

@conference{spcs17,
author={Biling Zhang. and Yipu Yuan. and Jung{-}Lang Yu. and Wei{-}Ting Hsu. and Yu{-}Jie Huang.},
title={Channel Estimation for Space-Time Block Coded OFDM Systems using Few Received Symbols},
booktitle={Proceedings of the 7th International Joint Conference on Pervasive and Embedded Computing and Communication Systems (PECCS 2017) - SPCS},
year={2017},
pages={87-92},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006381700870092},
isbn={978-989-758-266-0},
issn={2184-2817},
}

TY - CONF

JO - Proceedings of the 7th International Joint Conference on Pervasive and Embedded Computing and Communication Systems (PECCS 2017) - SPCS
TI - Channel Estimation for Space-Time Block Coded OFDM Systems using Few Received Symbols
SN - 978-989-758-266-0
IS - 2184-2817
AU - Zhang, B.
AU - Yuan, Y.
AU - Yu, J.
AU - Hsu, W.
AU - Huang, Y.
PY - 2017
SP - 87
EP - 92
DO - 10.5220/0006381700870092
PB - SciTePress