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Filters
A matched filter approximation for SC/MMSE iterative equalizers
2001
IEEE Communications Letters
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The proposed algorithm is an extension of Reynolds and Wang's SC/MMSE (Soft Canceller followed by MMSE filter) equalizer: approximations are used properly to reduce the computational complexity. ...
It is shown that the approximations used in the proposed algorithm do not cause any serious performance degradation compared to the conventional trellis-based iterative equalization algorithms. I. ...
Iterative equalization [ 11, which is based on the Turbo decoding concept, is known as an excellent technique for reducing IS1 effects. ...
doi:10.1109/4234.935752
fatcat:nibrs7zbvbdydke2hdw5goplfe
System-Level Performance Evaluation Of Mmse Mimo Turbo Equalization Techniques Using Measurement Data
2006
Zenodo
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The SC/MMSE turbo equalizer has been shown to achieve almost equivalent performance to the optimal detector based on maximum likelihood sequence estimator (MLSE) but it requires only a complexity order ...
Π 1 1 Π 1 1 Π 1 1 Π 1 1 Π 1 N decoder 1 N Π 1 N −1 SfISfO Π 1 N decoder 1 N Π 1 N
Turbo Equalized Diversity with Common SC/MMSE The turbo equalized diversity with common SC/MMSE receiver is introduced ...
doi:10.5281/zenodo.52906
fatcat:av47qsqlezgezpp4wjeyaemycy
A mimo turbo equalizer for frequency-selective channels with unknown interference
2003
IEEE Transactions on Vehicular Technology
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Index Terms-Multiple-input-multiple-output (MIMO) system, space-time signal processing, turbo equalization. ...
A new space-time turbo equalization algorithm is derived for frequency-selective multiple-input-multiple-output (MIMO) channels with unknown interference. ...
New equalization algorithms for single-user frequency-selective channels have been derived based on SC/MMSE [10] and [11] . ...
doi:10.1109/tvt.2003.811615
fatcat:hfcmdcquxfdrza4qhctrmpdqla
Groupwise Frequency Domain Multiuser MMSE Turbo Equalization for Single Carrier Block Transmission Over Spatially Correlated Channels
2011
IEEE Journal on Selected Topics in Signal Processing
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This paper proposes a novel turbo equalization scheme based on groupwise soft interference cancelling minimum mean-squared error filtering (SC-MMSE) combined with maximum a posteriori signal detection ...
Results of correlation chart analysis and bit error rate simulations demonstrate that the groupwise turbo frequency domain equalizer (FDE) achieves a large performance gain over the conventional SC-MMSE ...
In [7] - [11] , it has been shown that SC-MMSE block-based frequency domain equalization (SC-MMSE FDE) allows further reduction in computational complexity by exploiting the circulant structure of the ...
doi:10.1109/jstsp.2011.2173555
fatcat:3xolohtjlrhvbfoc7g6w6jvkya
On the outage probability of MMSE turbo equalization in frequency-selective Rayleigh fading channels
2010
2010 International ITG Workshop on Smart Antennas (WSA)
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Based on the convergence characteristic of the equalizer and decoder, we derive a closed form approximation to the outage probability of the turbo equalizer. ...
We analyze the outage probability of frequency domain minimum mean squared error turbo equalization over frequency-selective Rayleigh fading channels with exponential delay power profile. ...
CONCLUSION We have considered the performance of FD SC-MMSE turbo equalization over frequency-selective Rayleigh fading channels with exponential delay power profile. ...
doi:10.1109/wsa.2010.5456380
dblp:conf/wsa/GrossmannM10
fatcat:zdyas6r3xbc5jfoio2atsf6awq
Low Complexity Time Concatenated Turbo Equalization for Block Transmission Without Guard Interval: Part 3—Application to Multiuser SIMO-OFDM
2012
Wireless personal communications
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This paper proposes a Multiuser Single Input Multiple Output Orthogonal Frequency Division Multiplexing (MU -SIMO -OFDM) system without Guard Inteval (GI) based on the Chained turbo equalization (CHATUE ...
This paper propose for MU -SIMO -OFDM systems a novel frequency domain turbo equalization technique that eliminates the necessity of CP-transmission based on the reduced complexity ...
diversity obtained through channel frequency domain CHATUE turbo equalization algorithm proposed by [2] and [1] . ...
doi:10.1007/s11277-012-0721-4
fatcat:6aumm4ikxbfzllhzumhbcourcm
Iterative frequency domain equalization for single-carrier wideband MIMO channels
2009
2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications
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The proposed detector is based on iterative forward and backward filtering followed by a MIMO multi-stream detector that uses a priori log-likelihood ratios (LLR) of coded symbols. ...
Single carrier frequency domain equalization (SC-FDE) is receiving considerable attention recently due to its comparable complexity and performance with OFDM. ...
MIMO turbo equalizers, such as in [7] , [8] and [9] . ...
doi:10.1109/pimrc.2009.5450232
dblp:conf/pimrc/GuvensenY09
fatcat:sau6xr62hzgprjcci3jeypednm
Subblock Processing for Frequency-Domain Turbo Equalization under Fast Fading Environments
2009
IEICE transactions on communications
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In this paper, we study the application of frequencydomain turbo equalization (FDTE) to subblock processing for improving the accuracy of pseudo CP. ...
The simulation results show that FDTE with subblock processing yields remarkable performance improvements. key words: fast fading, single carrier transmission, SC/MMSE-FDTE, unique word, subblock processing ...
In addition, the accuracy of the soft replicas for ISI cancellation are expected to be improved with iterations based on the turbo principle. ...
doi:10.1587/transcom.e92.b.1466
fatcat:vxrt2nlvungphdevmiqtm6xrea
Subblock Processing for Frequency-Domain Turbo Equalization Under Fast Fading Environments
2008
2008 IEEE 68th Vehicular Technology Conference
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In this paper, we study the application of frequencydomain turbo equalization (FDTE) to subblock processing for improving the accuracy of pseudo CP. ...
The simulation results show that FDTE with subblock processing yields remarkable performance improvements. key words: fast fading, single carrier transmission, SC/MMSE-FDTE, unique word, subblock processing ...
In addition, the accuracy of the soft replicas for ISI cancellation are expected to be improved with iterations based on the turbo principle. ...
doi:10.1109/vetecf.2008.186
dblp:conf/vtc/KambaraNNOO08
fatcat:xeyxuvxyyfan3fkjxtz6blfuz4
Turbo Transceivers for MIMO Wireless Communications and Their Performance Verification via Multi-Dimensional Channel Sounding
2005
IEICE transactions on communications
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channel sounding, SC/MMSE, turbo concept ...
The discovery of the Turbo codes has driven research on the creation of new signal detection concepts that are, in general, referred to as the Turbo approach. ...
Measurement Data-Based Simulation Results for SC/MMSE MIMO Turbo Detector The purpose of this section is to estimate the in-field performance of the SC/MMSE MIMO Turbo equalizer for broadband single-carrier ...
doi:10.1093/ietcom/e88-b.6.2239
fatcat:wciih2h5jjgtnoxhk645jsxeru
Iterative MIMO Turbo Multiuser Detection and Equalization for STTrC-Coded Systems with Unknown Interference
2004
EURASIP Journal on Wireless Communications and Networking
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In the first case, only one transmit antenna of the user of interest is detected at a time and the remaining ones are cancelled by soft cancellation. ...
The number of receive antenna elements required to achieve single-user bound is thereby equal to the number of users and not to the total number of transmit antennas. ...
An equalizer based on soft interference cancellation and MMSE filtering was proposed in [14] for a convolutionally coded system with diversity signal reception. ...
doi:10.1155/s1687147204406069
fatcat:4quqeym3xrfcpp6lmdwjsouqzq
Novel Techniques to Reduce Performance Sensitivity to Spatial Correlation and Timing Offset in Space-Time Coded MIMO Turbo Equalization
2005
IEICE transactions on communications
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The equalizer is based on low complexity MMSE filtering. ...
In this paper we derive a novel receiver for turbo MIMO equalization in space-time-trellis-coded (STTrC) system to jointly address the problems described above. ...
In this paper, we extend the MMSE-based turbo equalization of [6] , [9] , [10] to the detection of STTrC-coded signals. ...
doi:10.1093/ietcom/e88-b.4.1594
fatcat:h5fyl45mvzbm5a7dler7m5revi
Adjacent-channel, Co-channel and Intersymbol Interference Suppression for Carrier Interferometry based One-cell Reuse Single-carrier TDMA Systems
2007
2007 16th IST Mobile and Wireless Communications Summit
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After that, a soft canceller with minimum mean square error (SC/MMSE) based turbo equalizer is utilized to compensate for channel induced intersymbol interference (ISI) as well as extra ISI produced by ...
This paper proposes an interference suppression technique using edge-removal filter, nulling filter and turbo equalizer for carrier interferometry (CI) based one-cell reuse single-carrier time division ...
As the solution to mitigate ISI effects, turbo equalization [3] that works in an iterative manner based on turbo principle has been proposed. ...
doi:10.1109/istmwc.2007.4299259
fatcat:5vj2v67twrb6ppbeiqbc4v3n74
A PDF Estimation-Based Iterative MIMO Signal Detection With Unknown Interference
2004
IEEE Communications Letters
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It is shown that the proposed detector significantly outperforms the conventional detector based on UCCI's covariance matrix estimation. ...
Index Terms-Channel estimation, cochannel interference, equalization, multiple input multiple output (MIMO), minimum mean squared error (MMSE), probability density function (PDF) estimation, turbo multiuser ...
INTRODUCTION I TERATIVE low-complexity multiuser detection, equalization and decoding principle based on soft cancellation and minimum-mean squared-error filtering (SC/MMSE) [1] has attracted a considerable ...
doi:10.1109/lcomm.2004.832731
fatcat:2hz4ca6az5bu7m52fk7auivaru
SVD-Based Receiver for Downlink MIMO MC-CDMA Systems
2009
2009 IEEE International Conference on Communications
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The structure of the proposed receiver is based on the singular value decomposition (SVD) method. ...
Compared with the TIC criterion, the receiver designed based on the symbol-chip level MMSE criterion significantly improves the BER performance. ...
-MMSE, J=1, K=1 SC-MMSE, J=1, K=64 TIC,J=1, K=1:64 SC-MMSE,J=2, K=1 SC-MMSE,J=2, K=64 TIC,J=2 ,K=1:64 Fig.4. ...
doi:10.1109/icc.2009.5199503
dblp:conf/icc/Zamiri-JafarianR09
fatcat:mukzbvehencotasqjpcmyi7vmm
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