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A Survey on Beamforming Techniques for Wireless MIMO Relay Networks
2013
International Journal of Antennas and Propagation
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One of the major challenges the mobile broadband community faces is the exponential increase in mobile data traffic, even more so, for cell-edge users. ...
Thereby, it focuses on recently developed procedures for interference modeling and mitigation, BF channel modeling, channel estimation and feedback, complexity and power consumption, adaptive BF for multiuser ...
For a network where one BS serves multiple users, the authors in [67] study user selection based only on partial CSI of transmit correlation. ...
doi:10.1155/2013/745018
fatcat:vclhrye455aedj3fsin43j3cqm
MIMO Relaying Broadcast Channels With Linear Precoding and Quantized Channel State Information Feedback
2010
IEEE Transactions on Signal Processing
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We consider a linear precoding scheme in a MIMO relaying broadcast channel with quantized CSI feedback from both two-hop links. ...
Multi-antenna relaying has emerged as a promising technology to enhance the system performance in cellular networks. ...
a number of remote users via the help of a multi-antenna AF relay. ...
doi:10.1109/tsp.2010.2056687
fatcat:l3e5tzozzbfgtpx5s2ep7xk4p4
Multi-User Angle-Domain MIMO-NOMA System for MmWave Communications
2021
IEEE Access
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Thanks to the high directionality of millimeter-wave (mmWave) channels, angle-domain beamforming is an appealing technique for multi-user multiple-input multiple-output (MU-MIMO) in terms of sum-throughput ...
Moreover, we find that the proposed user ordering strategy outperforms other limited feedback strategies, and the angular-based power allocation allows for efficient successive interference cancellation ...
NOMA-based multi-user MIMO systems have been extensively studied in the literature for ergodic channels. ...
doi:10.1109/access.2021.3112225
fatcat:joiwkcquire4tdro6s4czitxpy
Energy-efficient wireless communications: tutorial, survey, and open issues
2011
IEEE wireless communications
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In this article, basic concepts of energy-efficient communications are first introduced and then existing fundamental works and advanced techniques for energy efficiency (EE) are summarized, including ...
information-theoretic analysis, orthogonal frequency division multiple access (OFDMA) networks, multiple-input multiple-output (MIMO) techniques, relay transmission, and resource allocation for signaling ...
In [26] , the best relay node is selected distributively, while in [27] , several relay nodes are selected for beamforming based on a simple selection strategy. ...
doi:10.1109/mwc.2011.6108331
fatcat:2j77jyohc5e6bd7jcpyxwr56re
Other-Cell Interference Aware Precoding for the Downlink of Multi-User MIMO AF Communication
2011
2011 IEEE 73rd Vehicular Technology Conference (VTC Spring)
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large numbers of users and/or antennas in the multi-cell system. ...
Amplify-and-forward (AF) is one of the most popular and simple approaches for transmitting information over a cooperative multi-input multi-output (MIMO) relay channel. ...
MIMO AF system is small. ...
doi:10.1109/vetecs.2011.5956402
dblp:conf/vtc/HeliotAHT11
fatcat:tzi2fzmhijbcxcoangeynl7rzy
Efficient feedback scheme based on compressed sensing in MIMO wireless networks
2013
Computers & electrical engineering
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In multiple-input-multiple-output (MIMO) broadcast channel the throughput can be enhanced by channel state information (CSI) feedback, but it is resources and feedback expensive. ...
The feedback channels are shared and opportunistically accessed by users who are self pre-selected based on their channel vectors' norm and correlation. ...
Results
Fig
Conclusion We have proposed a resource-efficient feedback scheme based on compressed sensing for multiple users ZFBF MIMO systems. ...
doi:10.1016/j.compeleceng.2012.02.006
fatcat:qmey7pshyrfvlowbddfxja4w3u
A Survey on MIMO Transmission with Discrete Input Signals: Technical Challenges, Advances, and Future Trends
[article]
2017
arXiv
pre-print
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Then, focusing on the basic point-to-point MIMO systems, we examine transmission schemes based on three most important criteria for communication systems: the mutual information driven designs, the mean ...
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 ...
This antenna mapping depends on the Rank Indicator user feedback,
TABLE XXI : XXI AMC schemes for MIMO systems Paper
System
Criterion
CSI
Constraint
M. R. ...
arXiv:1704.07611v1
fatcat:4gep4gnbefdytjdggniocdora4
MU-MIMO MAC Protocols for Wireless Local Area Networks: A Survey
2016
IEEE Communications Surveys and Tutorials
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2014 pre-print arXiv:1404.1622v1 fatcat:jzn6bfti2fh3nfq27carehqhhyOther Versions
Multi-user Multiple-Input and Multiple-Output (MU-MIMO), an advanced form of MIMO, has gained attention due to its huge potential in improving the performance of WLANs. ...
This paper surveys random access based MAC protocols for MU-MIMO enabled WLANs. ...
Redieteab et al. in [61] investigate three different transmission schemes in a PHY and MAC crosslayer platform, which are SU-MIMO, MU-MIMO with multi-user interference and MU-MIMO without multi-user ...
doi:10.1109/comst.2014.2377373
fatcat:b2s5lgc4pvbatbi2e27z6adedu
Guest Editorial: Theories and Methods for Advanced Wireless Relays — Issue II
2013
IEEE Journal on Selected Areas in Communications
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This has an inevitable effect on the users' desire for the same through wireless media. ...
With the above vision, a Call for Papers was published in January 2011. ...
Saeed Gazor (S'94-M'95-SM'98) received a B.Sc. degree in electronics and a M.Sc. degree in Communication Systems from Isfahan University of Technology, Isfahan, Iran, in 1987 and 1989, respectively. ...
doi:10.1109/jsac.2013.130801
fatcat:ob35h66kszedrid5bwqfvlpuiy
2018 IndexIEEE Wireless Communications LettersVol. 7
2018
IEEE Wireless Communications Letters
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., +, LWC Aug. 2018 662-665 CFO and Channel Estimation for Frequency Selective MIMO-FBMC/OQAM Systems. Singh, P., +, LWC Oct. 2018 844-847 Deep Learning for Massive MIMO CSI Feedback. ...
., +, LWC Oct. 2018 756-759
Deep Learning for Massive MIMO CSI Feedback. ...
doi:10.1109/lwc.2018.2888676
fatcat:olfvetmkt5bt3c572e5y76b5pm
2013 Index
2014
IEEE Wireless Communications Letters
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The Author Index contains the primary entry for each item, listed under the first author's name. ...
-that appeared in this periodical during 2013, and items from previous years that were commented upon or corrected in 2013. ...
Chen, Yunfei, +, LWC June 2013 323-326 Constant-Envelope Multi-User Precoding for Frequency-Selective Massive MIMO Systems. ...
doi:10.1109/twc.2011.09.097-wcl1402-index
fatcat:uvzn7diievgtzaevj7eosb4zom
Performance of Cooperative NOMA with MRT/RAS in Nakagami-m Fading Channels with Channel Estimation Errors
[article]
2019
arXiv
pre-print
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In the system, a base station communicates with multiple mobile users through a half duplex channel state information based amplify-and-forward relay. ...
The outage behavior of the system is investigated by driving closed-form expression for outage probability (OP). In addition, the corresponding lower and upper bounds of the derived OP are obtained. ...
In the network, the communication between BS with multi-transmit antenna and mobile users with multi-receive antenna is done through CSI based AF relay with multi-receive and multi-transmit antenna. ...
arXiv:1903.07922v1
fatcat:osabcughdvaixaidi4o5i4cbti
Virtual Maximum Ratio Transmission for Downlink OFDMA Relay-based Networks
2010
Wireless personal communications
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Besides, the requirements of Channel State Information needed at the different network elements such as the Base Station, Relay Station or User Terminals are also limited, and so the feedback. ...
For this reason, VMRT is a good candidate to achieve high speed transmission or increase coverage and reliability in slow varying channels for relay-based networks. ...
Acknowledgments The firs author would like to thank Jae-Yun Ko for his valuable help at the beginning of the work. ...
doi:10.1007/s11277-010-0079-4
fatcat:yv66rh3fxzcj7npbe3i3nsqyya
Distributed User Scheduling for MIMO-Y Channel
[article]
2015
arXiv
pre-print
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In this paper, distributed user scheduling schemes are proposed for the multi-user MIMO-Y channel, where three N_T-antenna users (N_T=2N, 3N) are selected from three clusters to exchange information via ...
The proposed schemes effectively harvest multi-user diversity (MuD) without the need of global channel state information (CSI) or centralized computations. ...
CSI 2bits + 1 feedback (with a probably of 2/9) of the angle in (17)
ER-UA
User
No CSI
Local CSI
No CSI
Local CSI
Relay Global CSI
No CSI
Global CSI
1 feedback of the angle in (17)
TABLE ...
arXiv:1408.4238v4
fatcat:257ng5dvcfh7lazzdeca3hkeya
2019 Index IEEE Wireless Communications Letters Vol. 8
2019
IEEE Wireless Communications Letters
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., +, LWC Dec. 2019 1563-1566 Feedback Deep Autoencoder Based CSI Feedback With Feedback Errors and Feedback Delay in FDD Massive MIMO Systems. ...
., +, LWC April 2019 416-419 Optimizing Feedback User Selection for Standalone U-LTE Networks With Randomly Delayed CSI. ...
doi:10.1109/lwc.2019.2961756
fatcat:bwxehcl4ejew7a6m66prb6s4z4
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