Parallel interference cancellation based turbo space-time equalization in the SDMA uplink
Parallel interference cancellation based turbo space-time equalization in the SDMA uplink
A novel Parallel Interference Cancellation (PIC) based turbo Space Time Equalizer (STE) structure designed for multiple antenna assisted uplink receivers is introduced. The proposed receiver structure allows the employment of non-linear type of detectors such as the Bayesian Decision Feedback (DF) assisted turbo STE or the Maximum Aposteriori (MAP) STE, while operating at a moderate computational cost. Receivers based on the proposed structure outperform the linear turbo detector benchmarker based on the Minimum Mean-Squared Error (MMSE) criterion, even if the latter aims for jointly detecting all transmitters’ signals. Additionally the PIC based receiver is capable of equalizing non-linear binary pre-coded channels. The performance difference between the presented algorithms is discussed using Extrinsic Information Transferfunction (EXIT) charts. Index Terms—PIC, EXIT chart, precoding, Bayesian, STE.
609-616
Wolfgang, A.
e87811dd-7028-4ac3-90cc-62003ff22202
Chen, S.
9310a111-f79a-48b8-98c7-383ca93cbb80
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
February 2007
Wolfgang, A.
e87811dd-7028-4ac3-90cc-62003ff22202
Chen, S.
9310a111-f79a-48b8-98c7-383ca93cbb80
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Wolfgang, A., Chen, S. and Hanzo, L.
(2007)
Parallel interference cancellation based turbo space-time equalization in the SDMA uplink.
IEEE Transactions on Wireless Communications, 6 (2), .
Abstract
A novel Parallel Interference Cancellation (PIC) based turbo Space Time Equalizer (STE) structure designed for multiple antenna assisted uplink receivers is introduced. The proposed receiver structure allows the employment of non-linear type of detectors such as the Bayesian Decision Feedback (DF) assisted turbo STE or the Maximum Aposteriori (MAP) STE, while operating at a moderate computational cost. Receivers based on the proposed structure outperform the linear turbo detector benchmarker based on the Minimum Mean-Squared Error (MMSE) criterion, even if the latter aims for jointly detecting all transmitters’ signals. Additionally the PIC based receiver is capable of equalizing non-linear binary pre-coded channels. The performance difference between the presented algorithms is discussed using Extrinsic Information Transferfunction (EXIT) charts. Index Terms—PIC, EXIT chart, precoding, Bayesian, STE.
Text
04100169.pdf
- Other
More information
Published date: February 2007
Organisations:
Southampton Wireless Group
Identifiers
Local EPrints ID: 263588
URI: http://eprints.soton.ac.uk/id/eprint/263588
PURE UUID: d5ba8e52-8250-4826-9724-76a259425f2d
Catalogue record
Date deposited: 21 Feb 2007
Last modified: 18 Mar 2024 02:34
Export record
Contributors
Author:
A. Wolfgang
Author:
S. Chen
Author:
L. Hanzo
Download statistics
Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.
View more statistics