Filters








317 Hits in 7.9 sec

On the Interference Cancellation by Reduced Channel Zero Forcing Class of Precodings in Massive MIMO Systems [article]

Dmitry Mineev, Evgeny Bobrov, Viktor Kuznetsov
2022
We study so-called Reduced Channel Zero-Forcing (RCZF) class of precoding as well as Minimum MSE Interference Rejection Combiner (MMSE-IRC) and QR Maximum Likelihood Detection (QR-MLD) receivers.  ...  In this paper, we study the interference cancellation capabilities of receivers and transmitters in multiple-input-multiple-output (MIMO) systems using theoretical calculations and numerical simulations  ...  This figure plainly demonstrates interference cancellation for precoding of Reduced Channel Zero-Forcing (RCZF) class (2) .  ... 
doi:10.48550/arxiv.2202.00340 fatcat:j237jhuzuzbfhkxn2l37clza7q

Machine Learning-Based Dimension Optimization for Two-Stage Precoder in Massive MIMO Systems with Limited Feedback

Jinho Kang, Jung Hoon Lee, Wan Choi
2019 Applied Sciences  
In massive MIMO systems, users on a network can be divided into several user groups of similar spatial antenna correlations.  ...  In this case, the dimension of effective channel reduced by outer precoder is important as it leverages the inter-group interference, the intra-group interference, and the performance loss from the quantized  ...  Then, the inner precoder cancels out the same-group interference (SGI) with the dimension-reduced effective channels produced by the outer precoder; in this case, the BS exploits the quantized versions  ... 
doi:10.3390/app9142894 fatcat:hcg2fryltbdd5o52bzrbk5yqhq

Harvest the potential of massive MIMO with multi-layer techniques

Mingjie Feng, Shiwen Mao
2016 IEEE Network  
Although the massive MIMO system is based on innovations in the physical layer, the upper layer techniques also play important roles in harvesting the performance gains of massive MIMO.  ...  In this article, we begin with an analysis of the benefits and challenges of massive MIMO systems.  ...  With interference mitigation techniques in the spatial domain such as zero-forcing beamforming, the signals of different links can span on orthogonal subspaces.  ... 
doi:10.1109/mnet.2016.7579025 fatcat:w6fmhw54qzgufa6qiflwow5oba

On The Selection Of Radiating Elements For Compact Indoor Massive-Multiple Input Multiple Output Base Stations

Xavier Artiga, Bertrand Devillers, Julien Perruisseau-Carrier
2014 Zenodo  
The different antenna candidates are compared by computing the signal-to-interference plus noise ratio in both noise and interference-limited regimes and for different multi-user MIMO precoding strategies  ...  Massive-multiple input multiple output (MIMO) was recently proposed as a key solution for improving the performance of multi-user MIMO in future cellular generations.  ...  next. 1) Zero-Forcing Linear Precoding: The zero-forcing (ZF) criterion aims at a complete cancellation of the inter-user interference.  ... 
doi:10.5281/zenodo.58162 fatcat:e3eqbfauefdh3djoizzedklhhu

Overview of Precoding Techniques for Massive MIMO

Mahmoud A. Albreem, Alaa H. Al Habbash, Ammar M. Abu-Hudrouss, Salama S. Ikki
2021 IEEE Access  
The added value of this paper is that the classification of massive MIMO precoding algorithms is provided with easily distinguishable classes of precoding solutions.  ...  Due to the necessity to deal with a high consuming power by the base station (BS) with a large number of antennas in massive MIMO systems, a special subsection is included to describe the characteristics  ...  Utilization of the precoding technology in massive MIMO systems leads to eliminate/cancel the effects of interference and fading, and increasing the throughput and capacity [96] when the number of antennas  ... 
doi:10.1109/access.2021.3073325 doaj:1d85efeb80d74e06921cfe2f3841e0ae fatcat:dpgcetdklrdvvcixqej2rcwbvy

Semidefinite Relaxation-Based PAPR-Aware Precoding for Massive MIMO-OFDM Systems [article]

Miao Yao, Matt Carrick, Munawwar M. Sohul, Vuk Marojevic, Cameron D. Patterson, Jeffrey H. Reed
2018 arXiv   pre-print
precoding performance for OFDM-based massive MIMO systems.  ...  Massive MIMO requires a large number of antennas and the same amount of power amplifiers (PAs), one per antenna.  ...  Zero forcing (ZF) precoding has been widely applied in massive MIMO due to its simplicity and exceptional performance [11] .  ... 
arXiv:1810.01523v1 fatcat:mk5sx4k2p5ho3fsh5fu6g3peli

A Survey on Hybrid Beamforming Techniques in 5G: Architecture and System Model Perspectives

Irfan Ahmed, Hedi Khammari, Adnan Shahid, Ahmed Musa, Kwang Soon Kim, Eli De Poorter, Ingrid Moerman
2018 IEEE Communications Surveys and Tutorials  
In this paper, we track the progress in hybrid beamforming for massive MIMO communications in the context of system models of the hybrid transceivers' structures, the digital and analog beamforming matrices  ...  We extend the scope of the discussion by including resource management issues in hybrid beamforming.  ...  To tackle the interference in the mmWave MIMO system under the practical hardware limitation, a hybrid interference cancellation solution tailored for mmWave channel by decomposing the analog beamformer  ... 
doi:10.1109/comst.2018.2843719 fatcat:v7kmfmaxrfeeti7hcwsjjf5fda

Channel Inversion Schemes with Compensation Network for Two-Element Compact Array in Multi-User MIMO

Maxwell Oppong Afriyie, Obour Agyekum Kwame Opuni-Boachie, Affum Emmanuel Ampoma
2017 Advances in Science, Technology and Engineering Systems  
In this paper, we investigate the performance of channel inversion schemes for interference cancellation with compensation network in multi-user MIMO broadcasting channel.  ...  Bit error performance results also indicate the promising potentials of regularized channel inversion scheme with efficient decoupling scheme in massive MIMO system.  ...  Acknowledgment The authors are grateful to all the members of Center for RFIC and System Technology, School of Communication and Information Engineering, University of Electronic Science and Technology  ... 
doi:10.25046/aj020404 fatcat:5t4d6qbr4bfrxf6c4m6qhosh5q

On massive MIMO and its applications to machine type communications and FBMC-based networks

João Paulo Miranda, Arman Farhang, Nicola Marchetti, Felipe A. P. de Figueiredo, Fabbryccio A. C. M. Cardoso, Fabrício Figueiredo
2015 EAI Endorsed Transactions on Ubiquitous Environments  
We introduce the self-equalization property of Filter Bank Multicarrier (FBMC)-based Massive MIMO networks, and show it can reduce the number of subcarriers required by the system.  ...  These findings s hed l ight into a nd m otivate f or t wo e xciting research l ines t owards a better understanding of Massive MIMO systems.  ...  One drawback of ZF is that it insists in forcing interference to zero independent of the interference strength, i.e. any energy of the signal of interest that lies in the interference subspace is discarded  ... 
doi:10.4108/ue.2.5.e3 fatcat:huzgrnva3ff3rifgyfosrfokkm

Table of contents

2018 IEEE Transactions on Vehicular Technology  
Leung 3319 On Mutual Interference Cancellation in a MIMO OFDM Multiuser Radar-Communication Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ...  Das 3646 Manifold Optimization Approach for Data Detection in Massive Multiuser MIMO Systems . . . . . . . . . . . . . . . .J.-C.  ... 
doi:10.1109/tvt.2018.2819519 fatcat:ndubrmb6bvhs5j4fi4g54s76pa

Hybrid Precoding-Based Millimeter-Wave Massive MIMO-NOMA with Simultaneous Wireless Information and Power Transfer [article]

Linglong Dai, Bichai Wang, Mugen Peng, Shanzhi Chen
2018 arXiv   pre-print
In this paper, for the first time, we investigate the integration of SWIPT in mmWave massive MIMO-NOMA systems.  ...  As mmWave massive MIMO will likely use hybrid precoding (HP) to significantly reduce the number of required radio-frequency (RF) chains without an obvious performance loss, where the fully digital precoder  ...  Without loss of generality, the low-complexity zero-forcing (ZF) precoding is adopted for digital precoding, according to the equivalent channel vectors of users having the highest equivalent channel gain  ... 
arXiv:1809.07682v1 fatcat:gff3wk4rc5ddpawjbfwmdzw7ia

Rateless Space Time Block Code for Massive MIMO Systems

Ali H. Alqahtani, Ahmed Iyanda Sulyman, Abdulhameed Alsanie
2014 International Journal of Antennas and Propagation  
The paper illustrates the basis of rateless space time codes deployments in massive MIMO transmissions over wireless erasure channels.  ...  This paper presents a rateless space time block code (RSTBC) for massive MIMO systems.  ...  Acknowledgment This work was supported by the NSTIP Strategic Technologies Programs at King Saud University (no. 11-ELE1880-02) in the Kingdom of Saudi Arabia.  ... 
doi:10.1155/2014/154261 fatcat:sizila7fpvdqnmo3vhcgrbcju4

Beamforming Scheme for MIMO Relay Based 5G and beyond Wireless Network

Ali Mahamoud Ali, Bakhit Amine Adoum, Idriss Saleh Bachar, Mahamoud Youssouf Khayal
2021 Open Journal of Applied Sciences  
The linear beamforming is designed based on the maximization of the signal-to-interference-plus-noise ratio (SINR) and signal-toleakage-and-noise ratio (SLNR).  ...  In this paper, in order to attain the maximum ergodic capacity and significantly increase the spectral efficiency of wireless communication systems, novel linear beamforming is proposed for dual-hop amplify-and-forward  ...  Acknowledgements This work would not have been possible without the financial support of Doctoral School of Science and Technology of the University of N'Djamena's, Eco-leNationaleSuperieure des Technologies  ... 
doi:10.4236/ojapps.2021.1110087 fatcat:yoxko54surfkhi7irnlw57d6v4

A Survey on MIMO Transmission with Discrete Input Signals: Technical Challenges, Advances, and Future Trends [article]

Yongpeng Wu, Chengshan Xiao, Zhi Ding, Xiqi Gao, Shi Jin
2017 arXiv   pre-print
However, most of the advances in the design of high speed wireless multiple-input multiple output (MIMO) systems are based on information-theoretic principles that demonstrate how to efficiently transmit  ...  Then, we provide a survey of the transmission designs with discrete input signals for multiuser MIMO scenarios, including MIMO uplink transmission, MIMO downlink transmission, MIMO interference channel  ...  A linear zero-forcing precoder is used at the transmitter and either a zero-forcing decoder or an optimal linear Wiener decoder is designed at the receiver.  ... 
arXiv:1704.07611v1 fatcat:4gep4gnbefdytjdggniocdora4

Self-Interference Cancellation and Channel Estimation in Multicarrier-Division Duplex Systems with Hybrid Beamforming

Bohan Li, Lie-Liang Yang, Rob Maunder, Songlin Sun
2020 IEEE Access  
receiver in multi-cell MU-massive-MIMO systems,” in 2014 IEEE Inter- [11] L. L.  ...  Li et al.: Self-Interference Cancellation and Channel Estimation in Multicarrier-Division Duplex Systems with Hybrid Beamforming is similar to the design of the hybrid precoder in Option  ... 
doi:10.1109/access.2020.3020910 fatcat:63qq3mz3sre6xhmdxqgfvosgoe
« Previous Showing results 1 — 15 out of 317 results