881 Hits in 6.0 sec

Table of contents

2020 IEEE Communications Letters  
Li 2829 OPTICAL COMMUNICATIONS Design of Cyclic Shifted PAM-DMT Signals in HACO-OFDM Visible Light Communication .............. W.-W.  ...  Babu 2956 Space-Time Mapping for Equiprobable Antenna Activation in Spatial Modulation .............. M. Irfan and S.  ... 
doi:10.1109/lcomm.2020.3039077 fatcat:7rqivq4brrdnzbfigpbhocroau

Switching MIMO System with Adaptive OFDM Modulation for Indoor Visible Light Communication

Xinyue Guo, Keer Zhang, Xufa Huang
2018 Advances in Condensed Matter Physics  
for high-speed indoor visible light communications.  ...  The adaptive OFDM modulation, which is realized by power and bit allocation on OFDM subchannels, is utilized to achieve the maximum channel capacity under a given target bit error rate (BER).  ...  Introduction Recently, light-emitting diode-(LED-) based visible light communication (VLC) has become a major candidate for future wireless communication.  ... 
doi:10.1155/2018/5694196 fatcat:lbvht4vr6jcircx4o3yp77dihy

On the Performance of Adaptive MIMO-OFDM Indoor Visible Light Communications

Yang Hong, Tesi Wu, Lian-Kuan Chen
2016 IEEE Photonics Technology Letters  
Index Terms-Visible light communications, optical MIMO-OFDM, singular value decomposition, bit and power loading.  ...  In this letter, we propose an adaptive indoor multiple input and multiple output (MIMO) orthogonal frequency division multiplexing (OFDM) visible light communication (VLC) system using a receiver module  ...  Experimental comparison of different bit and power allocation algorithms for VLC system using DC-biased optical OFDM (DCO-OFDM) is presented in [8] .  ... 
doi:10.1109/lpt.2016.2517192 fatcat:4akp5snb6fa5beg2bo76twta74

A Survey of NOMA for VLC Systems: Research Challenges and Future Trends

Hesham Sadat, Mohamed Abaza, Ali Mansour, Ayman Alfalou
2022 Sensors  
Visible light communication (VLC) has become a promising technology for high data rate communications and an attractive complementary to conventional radio frequency (RF) communication.  ...  Nevertheless, the main limitation of developing high data rate VLC links is the narrow modulation bandwidth of light-emitting diodes (LEDs), which is in the megahertz range.  ...  spreading CDMA UVC Ultraviolet communication LDS-OFDM Low-density spreading OFDM VL Visible light LED Light-emitting diode VLC Visible light communication LOS Line of sight WDMA Wavelength division multiple  ... 
doi:10.3390/s22041395 pmid:35214296 pmcid:PMC8962994 fatcat:qhjvxjkt2jcptm7cfsyot6wk6u

Multiple Access for Visible Light Communications: Research Challenges and Future Trends [article]

Sarah S. Bawazir, Paschalis C. Sofotasios, Sami Muhaidat, Yousof Al-Hammadi, George K. Karagiannidis
2016 arXiv   pre-print
To this end, the present article provides a comprehensive overview of a particularly promising and effective wireless technology, namely, visible light communication (VLC).  ...  In this context, we initially provide a thorough overview of frequency domain multiple access techniques for single and multi-carrier systems, which is then followed by an in depth discussion on the technical  ...  INTRODUCTION Visible light communication (VLC) is an evolving communication technology that has been proposed as a promising candidate for high speed communications, particularly in indoor environments  ... 
arXiv:1612.05894v1 fatcat:swn7cgozg5e53afvqjhhcksem4

Resource Allocation and Interference Management Techniques for OFDM-Based VLC Atto-Cells

Asmaa Ibrahim, Tawfik Ismail, Khaled Elsayed, M. Saeed Darweesh, Josep Prat
2020 IEEE Access  
He was also a member of technical staff at Nortel Networks in the USA. Dr. Elsayed was an editor for the IEEE Communications Magazine Internet Technology Series from Nov. 1998 till Dec. 2002.  ...  His recent work focused on radio resource management and architectures for 4G/5G wireless systems; applications of machine learning in telecommunications; and devising scalable standards-based Internet  ...  The Optical wireless communication (OWC) systems in a range of 390-750 nm refers to a visible light communication (VLC).  ... 
doi:10.1109/access.2020.3008761 fatcat:cy7qjp6f3jdvbiaz26czheurpe

A Brief Overview of Energy Efficiency Resources in Emerging Wireless Communication Systems

Augustus Ehiremen Ibhaze, Agbotiname Lucky Imoize, Obinna Okoyeigbo
2022 Telecom  
The emergence of visible light communication (VLC) provides an energy-efficient wireless communication system despite the various challenges inherent in its adoption that limit its physical realization  ...  Overall, the work provides an overview of information necessary for foundational research in energy-efficient resources applied to emerging wireless communication systems.  ...  A variant of OFDM for optimal spectral and energy efficiency was presented in [8] . Another remarkable modulation technique [86] for OWC was introduced just the next year, 2011-spatial modulation.  ... 
doi:10.3390/telecom3020016 doaj:7786f55c26514504a2ae28be8e4c8a19 fatcat:hn2hwsykibez5feueod7f6i62a

Deflected field-of-views receiver for indoor MIMO visible light communications

Jian Song, Ling Wei, Hongming Zhang
2017 2017 International Conference on Infocom Technologies and Unmanned Systems (Trends and Future Directions) (ICTUS)  
Conventional non-imaging receiver for multiple-inputmultiple-output (MIMO) visible light communications (VLC) systems always suffer from the problem of ill-conditioned channel matrix due to the high correlation  ...  Keywords: deflected field-of-view receiver, visible light communication (VLC), multiple-input-multiple-output (MIMO), DC-biased Optical orthogonal frequency division multiplexing (DCO-OFDM), precoding  ...  INTRODUCTION Recently, visible light communications (VLC) has attracted much interest due to the rapid growth of light emitting diode (LED) industry, the high penetration of LED and the increasing demand  ... 
doi:10.1109/ictus.2017.8285966 fatcat:xfoezhvb2zff5ouo5bbzpu6ake

Multi-User Visible Light Communications: State-of-the-Art and Future Directions

Saad Al-Ahmadi, Omar Maraqa, Murat Uysal, Sadiq M. Sait
2018 IEEE Access  
Visible light communication (VLC) builds upon the dual use of existing lighting infrastructure for wireless data transmission.  ...  In this paper, we provide a comprehensive overview of multi-user VLC systems discussing the recent advances on multi-user precoding, multiple access, resource allocation, and mobility management.  ...  This has spurred the interest in visible light communications (VLC) as a potential candidate for complementing and offloading RF communication systems for various indoor userdense scenarios such as homes  ... 
doi:10.1109/access.2018.2879885 fatcat:y7ltnuy4yjfzzggeaolnasttz4

Optical Rate-Splitting Multiple Access for Visible Light Communications [article]

Shimaa Naser, Lina Bariah, Wael Jaafar, Sami Muhaidat, Paschalis C. Sofotasios, Mahmoud Al-Qutayri, Octavia A. Dobre
2020 arXiv   pre-print
A promising solution is the proposal of visible light communications (VLC), which explores the unregulated visible light spectrum to enable high-speed communications, in addition to efficient lighting.  ...  Consequently, in this article a new and generalized multiple access technique, called rate-splitting multiple access (RSMA), is introduced and investigated for the first time in VLC networks.  ...  Additionally, optimal precoding and power allocation for RSMA-VLC are still open for investigation, where new linear or non-linear techniques can be proposed and optimized.  ... 
arXiv:2002.07583v2 fatcat:hlfxktsvbjag7mi2jyzeqlmbtu

Indoor visible light communications, networking, and applications

Jie Lian, Zafer Vatansever, Mohammad Noshad, Maïté Brandt-Pearce
2019 Journal of Physics: Photonics  
Visible light communications (VLC) that use LEDs as transmitters is an emerging research area and has significant commercial potential.  ...  OFDM HCM Hadamard coded modulation IoT internet of things JOW joint optimal waveform LED light-emitting diodes LOS line-of-sight MAI multiple access interference MIMO multiple input multiple output NLOS  ...  Acknowledgments This work was supported in part by the US Department of Energy through the SBIR program under Grant DE-SC0013195, the National Science Foundation (NSF) under Grant ECCS-0901682 and through  ... 
doi:10.1088/2515-7647/aaf74a fatcat:cepmpc6rhfhjzdthikamvlsicq

Light fidelity (Li-Fi): towards all-optical networking

Dobroslav Tsonev, Stefan Videv, Harald Haas, Benjamin B. Dingel, Katsutoshi Tsukamoto
2013 Broadband Access Communication Technologies VIII  
In particular, for indoor communications where most mobile data traffic is consumed, light fidelity (Li-Fi) which is related to visible light communication (VLC) offers many key advantages, and effective  ...  Telephone: +44 (0)131 650 5591 * The preferred region of the RF spectrum for use in terrestrial mobile communication is between 0 -10 GHz due to certain radio propagation characteristics.  ...  ACKNOWLEDGMENTS The authors gratefully acknowledge support for this work by the UK Engineering and Physical Sciences Research Council (EPSRC) under grant EP/K008757/1.  ... 
doi:10.1117/12.2044649 fatcat:n6rzqy6wuvdhnl6rbikxtgozwm

2020 Index IEEE Transactions on Wireless Communications Vol. 19

2020 IEEE Transactions on Wireless Communications  
TWC Jan. 2020 650-664 Huang, A., see He, H., TWC Dec. 2020 7881-7896 Huang, C., Molisch, A.F., He, R., Wang, R., Tang, P., Ai, B., and Zhong, Z., Machine Learning-Enabled LOS/NLOS Identification for  ...  MIMO Systems in Dynamic Environments; TWC June 2020 3643-3657 Huang, C., see Yang, M., TWC Sept. 2020 5860-5874 Huang, D., Tao, X., Jiang, C., Cui, S., and Lu, J  ...  ., +, TWC July 2020 4671-4684 Pairwise Coding for MIMO-OFDM Visible Light Communication.  ... 
doi:10.1109/twc.2020.3044507 fatcat:ie4rwz4dgvaqbaxf3idysubc54

Optical wireless communication systems

Zabih Ghassemlooy, Stanislav Zvanovec, Mohammad-Ali Khalighi, Wasiu O. Popoola, Joaquin Perez
2017 Optik (Stuttgart)  
More research and developments in OWC is still needed in order for it to be adopted in current and future communication systems.  ...  This special issue brings together research papers on OWC covering free space optic, visible communications and ultraviolet communications.  ...  Seguel et al on "A Novel Strategy for LED Re-utilization for Visible Light Communications," presents a resource allocation optimization model for a downlink indoor VLC system.  ... 
doi:10.1016/j.ijleo.2017.11.052 fatcat:3en73pedrvg75frtgvekeagezy

Table of contents

2019 IEEE Communications Letters  
Khan 2266 Color Shift Keying for Indoor Visible Light Communications .............................................................. .............. A. E. Tzikas, A. Sahinis, S. E. Trevlakis, S. A.  ...  Luizelli 2247 MODULATION AND SIGNAL DESIGN Polarized Spatial Scattering Modulation .................... Q. Li, K. J. Kim, S. Ruan, L. Yuan, L. Yang, and J.  ... 
doi:10.1109/lcomm.2019.2953407 fatcat:ea5j46zayfbwvh6il46gzbtyn4
« Previous Showing results 1 — 15 out of 881 results