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

In English

Författare

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.

Publiceringsår

2009

Språk

Engelska

Publikation/Tidskrift/Serie

Proc. IEEE Global Telecommunications Conference (GLOBECOM) 2009

Dokumenttyp

Konferensbidrag

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE Global Telecommunications Conference

Conference date

2009-11-30 - 2009-12-04

Status

Published

Projekt

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

Forskningsgrupp

  • Radio Systems

ISBN/ISSN/Övrigt

  • ISBN: 978-1-4244-4148-8