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Authors: Nikolaos I. Miridakis and Dimitrios D. Vergados

Affiliation: University of Piraeus, Greece

Keyword(s): Hybrid Successive Interference Cancellation (Hybrid SIC), Computational Complexity.

Related Ontology Subjects/Areas/Topics: Detection, Decoding and Diversity Techniques ; OFDM and Multi-Carrier Systems ; Telecommunications ; Wireless Information Networks and Systems

Abstract: In this paper, we propose a new reception scheme for MIMO-OFDM systems, which can switch between two different equalization methodologies, accordingly, on a subcarrier basis. In fact, the proposed receiver is based on the ordered successive interference cancellation (SIC) technique and uses jointly zero forcing SIC (ZF-SIC) and minimum mean squared error SIC (MMSE-SIC) according to a defined threshold value. The modulation scheme considered in this study is QPSK. Our main objective, here, is the provision of the computational complexity efficiency. Hence, a complexity analysis is provided and upper and lower complexity bounds for the proposed scheme are also derived.

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Paper citation in several formats:
I. Miridakis, N. and D. Vergados, D. (2011). COMPLEXITY ANALYSIS OF A HYBRID THRESHOLD-BASED ZF-MMSE EQUALIZER FOR SIC-BASED MIMO-OFDM RECEIVERS. In Proceedings of the International Conference on Wireless Information Networks and Systems (ICETE 2011) - WINSYS; ISBN 978-989-8425-73-7, SciTePress, pages 109-112. DOI: 10.5220/0003614101090112

@conference{winsys11,
author={Nikolaos {I. Miridakis}. and Dimitrios {D. Vergados}.},
title={COMPLEXITY ANALYSIS OF A HYBRID THRESHOLD-BASED ZF-MMSE EQUALIZER FOR SIC-BASED MIMO-OFDM RECEIVERS},
booktitle={Proceedings of the International Conference on Wireless Information Networks and Systems (ICETE 2011) - WINSYS},
year={2011},
pages={109-112},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003614101090112},
isbn={978-989-8425-73-7},
}

TY - CONF

JO - Proceedings of the International Conference on Wireless Information Networks and Systems (ICETE 2011) - WINSYS
TI - COMPLEXITY ANALYSIS OF A HYBRID THRESHOLD-BASED ZF-MMSE EQUALIZER FOR SIC-BASED MIMO-OFDM RECEIVERS
SN - 978-989-8425-73-7
AU - I. Miridakis, N.
AU - D. Vergados, D.
PY - 2011
SP - 109
EP - 112
DO - 10.5220/0003614101090112
PB - SciTePress