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Determination of MIMO Channel Capacity and Enhancement of MIMO System Performance Using Tomlinson Harashima Precoding

A. K. Grewal, S. Chakravorty
2014 International Journal of Signal Processing Systems  
In this paper we will also study about precoding techniques used to enhance the performance of MIMO system.  ...  Also, analysis over the capacity of the MIMO channel systems has been considered when CSI is considered imperfect at the transmitter.  ...  Joyanta Kumar Roy, Head of Department (E.C.E), MCKVIE, Liluah, Howrah. This work was supported in part by grant from MCKV Institute of Engineering, Liluah, Howrah, India.  ... 
doi:10.12720/ijsps.3.1.47-52 fatcat:xqpktmnpyjclhmq4esvqiwhucq

An Efficient Method for Combining Multi-user MIMO Tomlinson-Harashima Precoding with User Selection Based on Spatial Orthogonality

Hirofumi Suganuma, Yukiko Shimbo, Tomoki Maruko, Hiromichi Tomeba, Takashi Onodera, Fumiaki Maehara
2021 IEEE Access  
INDEX TERMS Multi-user multiple-input and multiple-output (MU-MIMO), Tomlinson-Harashima precoding (THP), user scheduling, semiorthogonal user selection (SUS), ordering. I.  ...  Combining multi-user multiple-input and multiple-output (MU-MIMO) Tomlinson-Harashima precoding (THP) with semiorthogonal user selection (SUS) yields both space diversity and multi-user diversity benefits  ...  Hamaguchi of Sharp Corporation for his continuing support. An earlier version of this paper was presented at the 2016 IEEE Wireless Communications and Networking Conference (WCNC 2016) [27] .  ... 
doi:10.1109/access.2021.3124212 fatcat:634iol3cwbgbzn5tn3wzn6ju6m

WLC42-6: Non-Linear Precoding for OFDM Systems in Spatially-Correlated Frequency-Selective Fading MIMO Channels

Yu Fu, Witold A. Krzymien, Chintha Tellambura
2006 IEEE Global Communications Conference, Exhibition, & Industry Forum (GLOBECOM)  
We present a general spatially-correlated, frequency-selective fading MIMO channel model and derive the conditional means of the channel response.  ...  Exploiting the channel statistics, which are only available at the receiver, we design new non-linear zero-forcing (ZF) Tomlinson-Harashima precoding (THP) for uncoded MIMO OFDM.  ...  ACKNOWLEDGEMENT The authors gratefully acknowledge funding for this work provided by the Natural Sciences and Engineering Research Council (NSERC) of Canada, Alberta Informatics Circle of Research Excellence  ... 
doi:10.1109/glocom.2006.864 dblp:conf/globecom/FuKT06 fatcat:qene5w26ajgdnmhxbwkeep6xwm

Limited-Feedback Precoding for Closed-Loop Multiuser MIMO OFDM Systems with Frequency Offsets

Yu Fu, Chintha Tellambura, Witold Krzymien
2008 IEEE Transactions on Wireless Communications  
correlated channels.  ...  Linear precoding and non-linear Tomlinson-Harashima precoding (THP) are thus developed for spatially-multiplexed multiuser OFDM and orthogonal space-time block-coded (OS-TBC) OFDM.  ...  LIMITED-FEEDBACK PRECODING OVER SPATIALLY CORRELATED CHANNELS In the section, we focus on OFDM in spatially correlated fading environments.  ... 
doi:10.1109/t-wc.2008.060868 fatcat:wfe7hghmozcojebqxd5glngiyi

WLC42-5: Adaptive Precoding for Switching between Spatial Multiplexing and Diversity in MIMO OFDM with Transmit Antenna and Path Correlations

Yu Fu, Chintha Tellambura, Witold A. Krzymien
2006 IEEE Global Communications Conference, Exhibition, & Industry Forum (GLOBECOM)  
We develop adaptive dual-mode precoding to improve system performance with transmit antenna and path correlations. Both linear and non-linear Tomlinson-Harashima (TH) precoders are considered.  ...  In spatially correlated channels, proposed adaptive dual-mode precoding individually outperforms either capacitymaximization precoding in spatially-multiplexed OFDM or errorrate-minimization precoding  ...  ACKNOWLEDGEMENT The authors gratefully acknowledge funding for this work provided by the Natural Sciences and Engineering Research Council (NSERC) of Canada, Alberta Informatics Circle of Research Excellence  ... 
doi:10.1109/glocom.2006.863 dblp:conf/globecom/FuTK06 fatcat:7beinolsrzdqblntnlteukw7iq

Performance Comparison of Antenna Deployment Cases and Precoding Schemes in an Ultra-Dense Scenario for High SHF Wide-band Massive MIMO in 5G

Hiroshi Nishimoto, Akinori Taira, Akihiro Okazaki
2020 IEICE Communications Express  
However, its performance may deteriorate when users are spatially correlated. Distributed antenna deployment (DAD) and nonlinear precoding (NLP) have been studied as countermeasures for this issue.  ...  Multiuser multiple-input multiple-output (MU-MIMO) downlink technology over massive MIMO is a key enabler for 5G systems and beyond.  ...  Acknowledgments The work includes a part of the results of "The research and development project for realization of the fifth-generation mobile communications system" commissioned by Japan's Ministry of  ... 
doi:10.1587/comex.2020xbl0010 fatcat:6ycoznzjfvaujfi2jlsifokhu4

Precoding for Multiuser Orthogonal Space-Time Block-Coded OFDM: Mean or Covariance Feedback?

Y. Fu, W. A. Krzymien, C. Tellambura
2007 2007 IEEE International Conference on Communications  
We derive adaptive linear precoding and non-linear Tomlinson-Harashima precoding (THP) over a transmit-antenna-correlated, frequency-selective fading MIMO channel with estimation errors and feedback delay  ...  We confirm the intuition that mean-feedback precoding offers BER gains over covariance-feedback precoding when mean feedback becomes sufficiently accurate.  ...  ACKNOWLEDGEMENT The authors gratefully acknowledge funding for this work provided by the Natural Sciences and Engineering Research Council (NSERC) of Canada, Alberta Informatics Circle of Research Excellence  ... 
doi:10.1109/icc.2007.704 dblp:conf/icc/FuKT07 fatcat:kzmiefq2jnb6tmpxisd7lzegc4

Low-Complexity Hybrid Linear/Tomlinson-Harashima Precoding for Downlink Large-Scale MU-MIMO Systems [article]

Shahram Zarei, Wolfgang Gerstacker, Robert Schober
2016 arXiv   pre-print
In this paper, we propose a novel low-complexity hybrid linear/Tomlinson-Harashima precoder (H-L-THP) for downlink large-scale multiuser multiple-input multiple-output (MU-MIMO) systems.  ...  the cascade of the actual channel and the inner precoder.  ...  The concept of Tomlinson-Harashima precoding for spatial equalization in MIMO systems was introduced in [7] , [8] , and extended to frequency-selective MU-MIMO channels in [9] .  ... 
arXiv:1604.08729v1 fatcat:uc7fksxy3bhkzpaymyraviy2y4

Linear and Nonlinear Preequalization/Equalization for MIMO Systems With Long-Term Channel State Information at the Transmitter

O. Simeone, Y. Bar-Ness, U. Spagnolini
2004 IEEE Transactions on Wireless Communications  
Index Terms-Channel state information (CSI), linear preequalization, multiple-input multiple-output (MIMO), Tomlinson-Harashima precoding (THP), V-BLAST.  ...  (MMSE) criterion under the assumption that only long-term channel state information (i.e., correlation matrices of fading channel and noise) is available at the transmitter.  ...  I-CSI at both the transmitter and the receiver; for and the Tomlinson-Harashima precoding (THP) structure proposed in [10] and studied for LT-CSI at the transmitter in [4] is obtained.  ... 
doi:10.1109/twc.2003.821139 fatcat:iuurgun47zeihgskqeb7pnrqku

Blockwise-Lattice-Reduction-Aided Tomlinson–Harashima Precoder Designs for MU-MIMO Downlink Communications With Clusters of Correlated Users

Chiao-En Chen, Tsung-Wei Cho, Wei-Ho Chung
2014 IEEE Transactions on Vehicular Technology  
This paper presents a new class of precoder designs, namely the Blockwise-Lattice-Reduction (BLR)-aided Tomlinson-Harashima precoders (BLR-aided THPs), for multiuser multipleinput-multiple-output (MU-MIMO  ...  ) downlink communications in the presence of clusters of correlated channels.  ...  In comparison to the previous simulation scenario where σ AS = 20 • , the error rate performance of all the precoding schemes in the new scenario has been degraded due to the higher spatial correlation  ... 
doi:10.1109/tvt.2013.2284530 fatcat:4j3rm6i655htzb5vgbch3ichwu

Transmitter Precoding for Orthogonal Space-Time Block-Coded OFDM in Transmit-Antenna and Path-Correlated Channels

Yu Fu, Witold Krzymien, Chintha Tellambura
2006 IEEE Vehicular Technology Conference  
Orthogonal space-time block-coded (OSTBC) orthogonal frequency-division multiplexing (OFDM) links for frequency-selective multiple-input multiple-output (MIMO) channels with correlated paths and transmit  ...  The proposed precoding only needs the statistical knowledge of the channel at the transmitter, which significantly reduces the feedback requirements.  ...  ACKNOWLEDGEMENT The authors gratefully acknowledge funding for this work provided by the Natural Sciences and Engineering Research Council (NSERC) of Canada, Alberta Informatics Circle of Research Excellence  ... 
doi:10.1109/vtcf.2006.94 dblp:conf/vtc/FuKT06 fatcat:mluiwakk2ffwbhebit5jt7vb3y

Non-linear limited-feedback precoding for ICI reduction in closed-loop multiple-antenna OFDM systems

Yu Fu, C. Tellambura, W.A. Krzymien
2005 GLOBECOM '05. IEEE Global Telecommunications Conference, 2005.  
Since the complete channel state information (CSI) is difficult to obtain at the transmitter, we develop a novel non-linear limited-feedback Tomlinson-Harashima (LFB-TH) precoder to suppress ICI in closed-loop  ...  Index Terms- Orthogonal frequency-division multiplexing (OFDM), multiple-input multiple-output (MIMO), frequency offset, Tomlinson-Harashima (TH) precoding, limited feedback matter experts for publication  ...  The authors gratefully acknowledge funding for this work provided by the Natural Sciences and Engineering Research Council (NSERC) of Canada and TRLabs.  ... 
doi:10.1109/glocom.2005.1578325 dblp:conf/globecom/FuTK05 fatcat:uvf64bljwnf2noykb7jjymg4xi

Precoding for Multiuser Orthogonal Space-Time Block-Coded OFDM Downlink over Spatially-Correlated Channels

Yu Fu, Chintha Tellambura, Witold A. Krzymien
2007 2007 IEEE Wireless Communications and Networking Conference  
We present a general transmit-antenna-correlated, frequency-selective fading MIMO channel model with imperfect channel estimates and feedback delay, and derive the conditional means of the channel response  ...  Exploiting the channel statistics, we develop new linear precoding and non-linear Tomlinson-Harashima precoding (THP) to maximize the signal-to-noise power ratio (SNR).  ...  ACKNOWLEDGEMENT The authors gratefully acknowledge funding for this work provided by the Natural Sciences and Engineering Research Council (NSERC) of Canada, Alberta Informatics Circle of Research Excellence  ... 
doi:10.1109/wcnc.2007.247 dblp:conf/wcnc/FuTK07 fatcat:3alkhjscsnh2tc2uvjzycjjzam

Theoretical system capacity of multi-user MIMO-OFDM THP in the presence of terminal mobility

Ryota Mizutani, Yukiko Shimbo, Hirofumi Suganuma, Hiromichi Tomeba, Takashi Onodera, Fumiaki Maehara
2020 IEICE Communications Express  
This letter investigates the theoretical system capacity of multiuser multiple-input multiple-output (MU-MIMO) orthogonal frequency division multiplexing (OFDM) Tomlinson-Harashima precoding (THP) in the  ...  The theoretical results obtained by the proposed analysis are compared with those of linear precoding, which demonstrates the applicability of THP to OFDM-based mobile broadband systems.  ...  Hamaguchi of Sharp Corporation for his continuing support.  ... 
doi:10.1587/comex.2019xbl0160 fatcat:xvggs6k4orfghb7l522d3pss3i

On Transmit Antenna Selection for Multiuser MIMO Systems with Dirty Paper Coding [article]

Manar Mohaisen, KyungHi Chang
2010 arXiv   pre-print
of linear zero-forcing and Tomlinson-Harashima precoding schemes, respectively.  ...  In this paper, we address the transmit antenna selection in multi-user MIMO systems with precoding. The optimum and reduced complexity sub-optimum antenna selection algorithms are introduced.  ...  Fig. 1 . 1 Block diagram of Tomlinson-Harashima precoding.  ... 
arXiv:1012.1909v1 fatcat:7a47y7gvf5blpl6imkyknxr6me
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