IEICE TRANSACTIONS on Communications
Iterative ICI Mitigation Method for MIMO OFDM Systems
Summary :
In this paper, we propose an ICI mitigation method for MIMO OFDM using turbo detection technique. In order to reduce the computational complexity, we present a method for dividing the received frequency-domain signals into subbands and the manner of division varies with each iteration, joint soft ICI cancellation and decoding is then performed on each subband. To perform iterative ICI mitigation, the estimation of the time-variant channel using a great quantity of pilot tones is needed, which results in poor spectral efficiency. We then propose a method to reduce the required scatter pilot tones, which is differentially-modulated-pilot scheme. Moreover, the estimation can be constructed based on EM-type algorithms to further reduce the computational complexity. Finally, the results of computer simulations demonstrate that the proposal can provide significant performance improvement.
- Publication
- IEICE TRANSACTIONS on Communications Vol.E89-B No.3 pp.859-866
- Publication Date
- 2006/03/01
- Publicized
- Online ISSN
- 1745-1345
- DOI
- 10.1093/ietcom/e89-b.3.859
- Type of Manuscript
- PAPER
- Category
- Wireless Communication Technologies
Authors
Keyword
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Rong CHEN, Youyun XU, Haibin ZHANG, Hanwen LUO, "Iterative ICI Mitigation Method for MIMO OFDM Systems" in IEICE TRANSACTIONS on Communications,
vol. E89-B, no. 3, pp. 859-866, March 2006, doi: 10.1093/ietcom/e89-b.3.859.
Abstract: In this paper, we propose an ICI mitigation method for MIMO OFDM using turbo detection technique. In order to reduce the computational complexity, we present a method for dividing the received frequency-domain signals into subbands and the manner of division varies with each iteration, joint soft ICI cancellation and decoding is then performed on each subband. To perform iterative ICI mitigation, the estimation of the time-variant channel using a great quantity of pilot tones is needed, which results in poor spectral efficiency. We then propose a method to reduce the required scatter pilot tones, which is differentially-modulated-pilot scheme. Moreover, the estimation can be constructed based on EM-type algorithms to further reduce the computational complexity. Finally, the results of computer simulations demonstrate that the proposal can provide significant performance improvement.
URL: https://global.ieice.org/en_transactions/communications/10.1093/ietcom/e89-b.3.859/_p
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@ARTICLE{e89-b_3_859,
author={Rong CHEN, Youyun XU, Haibin ZHANG, Hanwen LUO, },
journal={IEICE TRANSACTIONS on Communications},
title={Iterative ICI Mitigation Method for MIMO OFDM Systems},
year={2006},
volume={E89-B},
number={3},
pages={859-866},
abstract={In this paper, we propose an ICI mitigation method for MIMO OFDM using turbo detection technique. In order to reduce the computational complexity, we present a method for dividing the received frequency-domain signals into subbands and the manner of division varies with each iteration, joint soft ICI cancellation and decoding is then performed on each subband. To perform iterative ICI mitigation, the estimation of the time-variant channel using a great quantity of pilot tones is needed, which results in poor spectral efficiency. We then propose a method to reduce the required scatter pilot tones, which is differentially-modulated-pilot scheme. Moreover, the estimation can be constructed based on EM-type algorithms to further reduce the computational complexity. Finally, the results of computer simulations demonstrate that the proposal can provide significant performance improvement.},
keywords={},
doi={10.1093/ietcom/e89-b.3.859},
ISSN={1745-1345},
month={March},}
Copy
TY - JOUR
TI - Iterative ICI Mitigation Method for MIMO OFDM Systems
T2 - IEICE TRANSACTIONS on Communications
SP - 859
EP - 866
AU - Rong CHEN
AU - Youyun XU
AU - Haibin ZHANG
AU - Hanwen LUO
PY - 2006
DO - 10.1093/ietcom/e89-b.3.859
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E89-B
IS - 3
JA - IEICE TRANSACTIONS on Communications
Y1 - March 2006
AB - In this paper, we propose an ICI mitigation method for MIMO OFDM using turbo detection technique. In order to reduce the computational complexity, we present a method for dividing the received frequency-domain signals into subbands and the manner of division varies with each iteration, joint soft ICI cancellation and decoding is then performed on each subband. To perform iterative ICI mitigation, the estimation of the time-variant channel using a great quantity of pilot tones is needed, which results in poor spectral efficiency. We then propose a method to reduce the required scatter pilot tones, which is differentially-modulated-pilot scheme. Moreover, the estimation can be constructed based on EM-type algorithms to further reduce the computational complexity. Finally, the results of computer simulations demonstrate that the proposal can provide significant performance improvement.
ER -
English
