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Towards 6G wireless communication networks: vision, enabling technologies, and new paradigm shifts

Xiaohu You, Cheng-Xiang Wang, Jie Huang, Xiqi Gao, Zaichen Zhang, Mao Wang, Yongming Huang, Chuan Zhang, Yanxiang Jiang, Jiaheng Wang, Min Zhu, Bin Sheng (+38 others)
2020 Science China Information Sciences  
, channel coding schemes, multi-antenna technologies, network slicing, cell-free architecture, and cloud/fog/edge computing.  ...  To meet these requirements, 6G networks will rely on new enabling technologies, i.e., air interface and transmission technologies and novel network architecture, such as waveform design, multiple access  ...  Open access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long  ... 
doi:10.1007/s11432-020-2955-6 fatcat:bf4wxtlfsbg7noe5nshf3pz3qq

Pervasive Intelligent Endogenous 6G Wireless Systems: Prospects, Theories and Key Technologies

Yun Chen, Wenfeng Liu, Zhiang Niu, Zhongxiu Feng, Qiwei Hu, Tao Jiang
2020 Digital Communications and Networks  
The worldwide large-scale commercial deployment of 5G has commenced in 2020 for supporting enhanced Mobile BroadBand (eMBB), ultra-Reliable and Low-Latency Communications (uRLLC), and massive Machine-Type  ...  In this paper, we present a forward-looking, comprehensive and in-depth analysis and technical identification of 6G.  ...  The following access schemes can be studied. 1) Hybrid orthogonal/non-orthogonal multiple access: design hybrid orthogonal and non-orthogonal multiple access technologies to provide massive and differentiated  ... 
doi:10.1016/j.dcan.2020.07.002 fatcat:pfo2oeb7tjeurhoqaqvhrzz3cq

Network and Physical Layer Attacks and countermeasures to AI-Enabled 6G O-RAN [article]

Talha F. Rahman, Aly S. Abdalla, Keith Powell, Walaa AlQwider, Vuk Marojevic
2021 arXiv   pre-print
This paper examines the security implications of AI-driven 6G radio access networks (RANs).  ...  The Open RAN (O-RAN) describes an industry-driven open architecture and interfaces for building next generation RANs with AI control.  ...  • Channel coding: Advances polar codes, Enhanced FEC in the turbo codes, and serially or parallel concatenated schemes. • User-Cell association: cell-free (CF) mMIMO.  ... 
arXiv:2106.02494v1 fatcat:mrzcvccqrrhe5ijswlnvmcxtt4

Cellular, Wide-Area, and Non-Terrestrial IoT: A Survey on 5G Advances and the Road Towards 6G [article]

Mojtaba Vaezi, Amin Azari, Saeed R. Khosravirad, Mahyar Shirvanimoghaddam, M. Mahdi Azari, Danai Chasaki, Petar Popovski
2021 arXiv   pre-print
The solutions include grant-free access and channel coding for short-packet communications, non-orthogonal multiple access, and on-device intelligence.  ...  Aligned with the main key performance indicators of 5G and beyond 5G networks, we investigate solutions and standards that enable energy efficiency, reliability, low latency, and scalability (connection  ...  In multiple access, we discuss how new, non-orthogonal multiple access (NOMA) schemes in the uplink and downlink can increase the number of connected devices.  ... 
arXiv:2107.03059v1 fatcat:i7rxlipsd5eojgpx3x5yxioozq

A Two-stage Deep Learning Receiver for High Throughput Power Efficient LEO Satellite System with Varied Operation Status

Martin H. Nielsen, Elisabeth De Carvalho, Ming Shen
2022 IEEE Access  
For this to happen 5G and 6G networks, are crucial to be implemented in satellite communication. This comes with the problem of power-efficient transmissions.  ...  channel and a fixed non-linear front end.  ...  IDFT and a subsequent parallel to serial (P/S) conversion.  ... 
doi:10.1109/access.2022.3180055 fatcat:fzpcfhrgrnf3plf5n2p7iajtbm

Final Program

2021 2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring)  
networks, rate-splitting and non-orthogonal multiple access.  ...  Non-Orthogonal Multiple Access and Network Slicing: 3.  ... 
doi:10.1109/vtc2021-spring51267.2021.9448675 fatcat:if5edc6u7zcc7jnl67jezth3je

Opportunistic Spectrum Sharing Based on OFDM With Index Modulation

Qiang Li, Miaowen Wen, Shuping Dang, Ertugrul Basar, H. Vincent Poor, Fangjiong Chen
2019 IEEE Transactions on Wireless Communications  
In this paper, a novel opportunistic spectrum sharing scheme, based on orthogonal frequency division multiplexing with index modulation (OFDM-IM), is proposed for cognitive radio (CR) networks.  ...  In [23], adaptive mapping schemes between IM bits and SAPs are presented for dual-hop OFDM-IM DF relaying networks.  ...  His research interests include index modulation, non-orthogonal multiple access, physical layer security, and molecular communications. Dr.  ... 
doi:10.1109/twc.2019.2943159 fatcat:rpuyzhz5ibbtjetkgumhdlbrt4

Cell-Free Massive MIMO Meets OTFS Modulation [article]

Mohammadali Mohammadi and Hien Quoc Ngo and Michail Matthaiou
2021 arXiv   pre-print
We provide the first-ever performance evaluation of orthogonal time frequency space (OTFS) modulation in cell-free massive multiple-input multiple-output (MIMO) systems.  ...  We compare the OTFS performance with that of orthogonal frequency division multiplexing (OFDM) at high-mobility conditions.  ...  systems [13], [14], non-orthogonal multiple access communication networks [15], [16], and massive MIMO systems [17]–[21].  ... 
arXiv:2112.10869v1 fatcat:zcqc7mbg4rdzblqwdcpcc6kgxi

Delivery of 5G Services Indoors - the wireless wire challenge and solutions

Adam Kapovits, Anastasius Gavras, John Cosmas, Mir Ghoraishi, Xi Li, Yue Zhang
2021 Zenodo  
Finally indoor environments expose administrative cross-domain issues, and in some cases so called non-public networks, foreseen by 3GPP [...]  ...  In any case the deployment of networks indoors is advised to consider and be planned along existing infrastructure, like powerlines and available shafts for other utilities.  ...  Hence, the integration of non-orthogonal multiple access (NOMA) in THz/OWC communications seems a promising path to break this limitation and greatly increase the number of users.  ... 
doi:10.5281/zenodo.4280749 fatcat:ykuzcuhr4za2hpzma5by5spm24

Technologies for Assessment of Motor Disorders in Parkinson's Disease: A Review

Qi Oung, Hariharan Muthusamy, Hoi Lee, Shafriza Basah, Sazali Yaacob, Mohamed Sarillee, Chia Lee
2015 Sensors  
It is followed by explaining the merits of the multiple sensor fusion platform compared to single sensor platform for better monitoring progression of PD, and ends with thoughts about the future direction  ...  The goal of this review is to come out with a summary of the recent progress of numerous forms of sensors and systems that are related to diagnosis of PD in the past decades.  ...  Conflicts of Interest The authors declare no conflict of interest.  ... 
doi:10.3390/s150921710 pmid:26404288 pmcid:PMC4610449 fatcat:gjl5slpcybavlkszorbsqih734

Opportunities and challenges of joint edge and Fog orchestration

Luca Cominardi, Osamah Ibrahiem Abdullaziz, Kiril Antevski, Shahzoob Bilal Chundrigar, Robert Gdowski, Ping-Heng Kuo, Alain Mourad, Li-Hsing Yen, Aitor Zabala
2018 2018 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)  
The path that led me to the realisation of this thesis has been long and twisted and it spanned across several years and multiple countries with many ups and downs.  ...  Then, after a couple of years, it took a sharp turn that brought me to London, United Kingdom, at InterDigital Europe Labs in the position of senior research engineer in the field of 5G Radio Access Network  ...  of 6G.  ... 
doi:10.1109/wcncw.2018.8369006 dblp:conf/wcnc/Comma-diAACGKMY18 fatcat:gknxhtmnkvh2djboynbwmvrh24

Fully autonomous mouse behavioral and optogenetic experiments in home-cage [article]

Yaoyao Hao, Alyse Marian Thomas, Nuo Li
2020 bioRxiv   pre-print
To demonstrate the utility of this approach, we tested dozens of mice in parallel unsupervised optogenetic experiments, revealing multiple regions in cortex, striatum, and superior colliculus involved  ...  Naive mice living in a home-cage system learned voluntary head-fixation (>1 hour/day) and performed difficult decision-making tasks, including contingency reversals, for 2 months without human supervision  ...  The behavioral trials were concatenated in time, i.e., across multiple head-fixations for home-cage training and across multiple sessions for manual training.  ... 
doi:10.1101/2020.12.27.424480 fatcat:ttcu3yn77zfi5pdlale6ge6lxm

Hybrid spectral CT reconstruction

Darin P. Clark, Cristian T. Badea, Yuanquan Wang
2017 PLoS ONE  
10 mg/ml in 2-mm features for EID and PCD data reconstructed with inherent spatial resolutions of 176 μm and 254 μm, respectively (point spread function, FWHM).  ...  When highresolution imaging is performed with a low-power, micro-focus x-ray source and a small detector pixel pitch, common PCD issues associated with count-rate performance and charge collection efficiency  ...  Yi Qi for help with animal preparation, Dr. David Kirsch for providing the sarcoma tumor mouse model, and Mengheng Touch for help in performing the CT scans.  ... 
doi:10.1371/journal.pone.0180324 pmid:28683124 pmcid:PMC5500339 fatcat:qkm25ykjfrbezg4qztbclpqtcq

Efficient quantum computation of molecular forces and other energy gradients [article]

Thomas E. O'Brien, Michael Streif, Nicholas C. Rubin, Raffaele Santagati, Yuan Su, William J. Huggins, Joshua J. Goings, Nikolaj Moll, Elica Kyoseva, Matthias Degroote, Christofer S. Tautermann, Joonho Lee (+3 others)
2021 arXiv   pre-print
Under cost models appropriate for noisy-intermediate scale quantum devices we demonstrate how low rank factorizations and other tomography schemes can be optimized for energy derivative calculations.  ...  We perform numerics revealing that our techniques reduce the number of circuit repetitions required by many orders of magnitude for even modest systems.  ...  Department of Energy, Office of Science, Office of Basic Energy Sciences (BES), the Division of Chemical Sciences, Geosciences, and Biosciences.  ... 
arXiv:2111.12437v2 fatcat:ofyto6uu2ngs5cikeyxf7ut4ci

Variable bit rate video transmission for code-division multiple-access systems in wideband fading channels

Cyril-Daniel Iskander
2003
This thesis will dear in particular with the effect of source rate variability on current and future cellular systems which employ code-division as the multiple-access strategy, such as IS-95B and IS-2000  ...  We then derive the exact analytical error probabilities of several linear modulation schemes with diversity in correlated Nakagami channels, and validate them through simulation.  ...  User k transmits streams in parallel, each one formed by the concatenation of a data stream with a spreading code.  ... 
doi:10.14288/1.0065376 fatcat:hnjfkvfhufgcrlnk5hlapluwja
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