Linear MMSE estimation of time-frequency variant channels for MIMO-OFDM systems
Salvo Rossi, Pierluigi ; Müller, Ralf R. and Edfors, Ove LU
(2011)
In Signal Processing
91(5).
p.1157-1167
- Abstract
- This paper proposes two low-complexity two-dimensional channel estimators for MIMO-OFDM systems derived from a joint time–frequency channel estimator. The estimators exploit 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) is 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. The estimators are finally tested when used... (More)
- This paper proposes two low-complexity two-dimensional channel estimators for MIMO-OFDM systems derived from a joint time–frequency channel estimator. The estimators exploit 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) is 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. The estimators are finally tested when used within the loop of an iterative receiver for MIMO-OFDM systems. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/1728634
- author
- Salvo Rossi, Pierluigi
; Müller, Ralf R.
and Edfors, Ove
LU
- organization
- publishing date
- 2011
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- MIMO-OFDM systems, Iterative receivers
- in
- Signal Processing
- volume
- 91
- issue
- 5
- pages
- 1157 - 1167
- publisher
- Elsevier
- external identifiers
-
- wos:000287905700010
- scopus:79551487573
- ISSN
- 0165-1684
- DOI
- 10.1016/j.sigpro.2010.10.017
- project
- Radiosystem: NORDITE/WILATI - WIreless LANs with high Throughput in Interference-limited environments (VINNOVA, AM/FT/OE)
- language
- English
- LU publication?
- yes
- id
- 2596c0d1-18c7-43ec-af93-99e74ef8bb95 (old id 1728634)
- date added to LUP
- 2016-04-01 14:37:00
- date last changed
- 2024-01-25 03:28:09
@article{2596c0d1-18c7-43ec-af93-99e74ef8bb95,
abstract = {{This paper proposes two low-complexity two-dimensional channel estimators for MIMO-OFDM systems derived from a joint time–frequency channel estimator. The estimators exploit 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) is 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. The estimators are finally tested when used within the loop of an iterative receiver for MIMO-OFDM systems.}},
author = {{Salvo Rossi, Pierluigi and Müller, Ralf R. and Edfors, Ove}},
issn = {{0165-1684}},
keywords = {{MIMO-OFDM systems; Iterative receivers}},
language = {{eng}},
number = {{5}},
pages = {{1157--1167}},
publisher = {{Elsevier}},
series = {{Signal Processing}},
title = {{Linear MMSE estimation of time-frequency variant channels for MIMO-OFDM systems}},
url = {{http://dx.doi.org/10.1016/j.sigpro.2010.10.017}},
doi = {{10.1016/j.sigpro.2010.10.017}},
volume = {{91}},
year = {{2011}},
}