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Slepian-based serial estimation of time-frequency variant channels for MIMO-OFDM systems

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Author

Summary, in English

This paper proposes a low-complexity two dimensional channel estimator for MIMO-OFDM systems derived from a time-frequency variant channel estimator previously

proposed. The estimator exploits both time and frequency correlations of the wireless channel via use of Slepian-basis expansions. The computational saving comes from replacing a two-dimensional Slepian-basis expansion with two serially concatenated

one-dimensional Slepian-basis expansions. Performance in terms of Normalized Mean Square Error (NMSE) vs. Signal-to-Noise Ratio (SNR) have been analyzed via numerical

simulations and compared with the original estimator. The analysis of the performance takes into account the impact of both system and channel parameters.

Publishing year

2009

Language

English

Publication/Series

Proc. IEEE Global Telecommunications Conference (GLOBECOM) 2009

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE Global Telecommunications Conference

Conference date

2009-11-30 - 2009-12-04

Status

Published

Project

  • Radiosystem: NORDITE/WILATI - WIreless LANs with high Throughput in Interference-limited environments (VINNOVA, AM/FT/OE)

Research group

  • Radio Systems

ISBN/ISSN/Other

  • ISBN: 978-1-4244-4148-8