A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf
.
Filters
Optical Wireless Communication Based Indoor Positioning Algorithms: Performance Optimisation and Mathematical Modelling
2018
Computation
Using this mathematical model, closed-form expressions are derived for standard deviation of uniformly distributed points in an optical wireless communication based indoor positioning system with circular ...
indoor optical wireless channel modelled in line of sight configuration. ...
Line of Sight Propagation Model for an Optical Wireless Communication Channel Understanding the characteristics of the underlying communication channel associated with an indoor environment is imperative ...
doi:10.3390/computation7010001
fatcat:iareii5mtnh35f246zsdl5dfsa
Optimal Frequency Reuse Scheme Based On Cuckoo Search Algorithm in Li-Fi 5g Bidirectional Communication
2020
IET Communications
In visible light communication, the hybrid networks based on Wi-Fi and Li-Fi has emerged recently. ...
Huge demand for bandwidth and capacity is exhibited by various wireless users and applications, for that purpose now the light-fidelity (Li-Fi)-based technologies are developing. ...
Dynamic FR based on BDCS algorithm The dynamic FR approach is explained in this section on the basis of BDCS optimisation algorithm. ...
doi:10.1049/iet-com.2019.1154
fatcat:dc5off3uibgbjlcd4solzerspm
Combination of Ultra-Dense Networks and other 5G Enabling Technologies: A Survey
2020
IEEE Access
We summarise the mathematical tools widely exploited in solving these problems and the performance metrics used to evaluate the intelligent management algorithms. ...
Moreover, we classify various intelligent management algorithms according to the adopted enabling technologies, benefits, challenges addressed, mathematical tools and performance metrics used. ...
For wireless backhaul, with LOS communication path up to several Gbps highly directional wireless links are supported by free space optical communications or point-to-point microwave. ...
doi:10.1109/access.2020.2969980
fatcat:dpyo5xyrgjgvhcsfhilepbmuo4
Holograms in Optical Wireless Communications
[chapter]
2017
Optical Fiber and Wireless Communications
Adaptive beam steering in optical wireless communication (OWC) system has been shown to offer performance enhancements over traditional OWC systems. ...
We propose a fast delay, angle and power adaptive holograms (FDAPA-Holograms) approach based on a divide and conquer methodology and evaluate it with angle diversity receivers in a mobile optical wireless ...
It is also considered as an attractive option in optical wireless communication (OWC) systems to enhance the system performance [3, 4] . ...
doi:10.5772/intechopen.68408
fatcat:kiit4oc6i5fwdcrwm47z2y7o2a
Precision Positioning for Smart Logistics Using Ultra-Wideband Technology-Based Indoor Navigation: A Review
2022
IEEE Access
The development of smart logistics, powered by precise positioning and communication technologies can significantly improve the efficiency of logistics. ...
Furthermore, it demonstrates the benefits of UWB technology for accurate positioning and tracking of both stationary and moving items, and machinery in an indoor logistics environment. ...
In an indoor warehouse scenario, an ML algorithm allowed, for the first time, a monocular optical positioning application [227] . ...
doi:10.1109/access.2022.3169267
fatcat:7a2pf56bdvg2th3veljcoruuxu
Recent Research on Wireless Body Area Networks: A Survey
2016
International Journal of Computer Applications
Wireless Body Area Network (WBAN) is a kind of wireless sensor network (WSN) which can be wearable or implantable in the human body. WBAN is an emerging technology in the field of healthcare system. ...
WBAN has received great attention due to its applications in the field of health, medical, entertainment services and many more. ...
Wireless optical communication (WOC) is complement for Radio frequency in indoor WBAN system. In indoor WBAN system there are 2 sort of transmission state of affairs on the market. ...
doi:10.5120/ijca2016909893
fatcat:4sbftr72z5dr7gsh7smxwufcxy
Anticipatory Association for Indoor Visible Light Communications: Light, Follow Me!
2018
IEEE Transactions on Wireless Communications
Hence, our study is able to draw insights on the performance trade-off between delay and throughput in dynamic indoor VLC networks. ...
In this paper, a radically new anticipatory perspective is taken into account when designing the user-to-Access Point (AP) associations for indoor Visible Light Communications (VLC) networks, in the presence ...
with various mathematical optimisation methods [24] , [25] , [26] . ...
doi:10.1109/twc.2018.2797182
fatcat:ax3lnqmz7vg5xftyojegysqky4
A State-of-the-Art Survey of Indoor Positioning and Navigation Systems and Technologies
2017
South African Computer Journal
In addition, positioning techniques applied in indoor positioning systems include the signal properties and positioning algorithms. ...
The RF technologies include Bluetooth, Ultra-wideband (UWB), Wireless Sensor Network (WSN), Wireless Local Area Network (WLAN), Radio-Frequency Identification (RFID) and Near Field Communication (NFC). ...
RFID-based positioning system RFID is an automatic identification process that uses RF wireless communication technology based on electromagnetic transmission between RFID readers and RFID tags for tracking ...
doi:10.18489/sacj.v29i3.452
fatcat:gquaqmrkhvhajjcyhrhpmz4n2a
Performance Optimisation of Indoor SVD-Based MIMO-OFDM Optical Wireless Communication Systems
2020
IET Optoelectronics
The performance of multiple-input and multiple-output (MIMO) flip-orthogonal frequency division multiplexing (flip-OFDM) for indoor optical wireless communications (OWCs) is studied here. ...
The authors, especially, focus on optimising the BER performance of SVD-based MIMO-OFDM OWC systems under the impact of the OFDM symbol design, the configuration of MIMO transmitters, the required data ...
Introduction Indoor optical wireless communications (OWCs) has recently emerged as a promising technology to establish ubiquitous wireless networks. ...
doi:10.1049/iet-opt.2019.0098
fatcat:i3lrfucutvhd7pvr2i7wwjz7qu
Smart Radio Environments
[article]
2021
arXiv
pre-print
Several wireless applications are discussed, including beam-forming, focusing, imaging, localisation, and sensing, some rooted in novel architectures for future mobile communications networks towards 6G ...
Meta-surface modelling and design methods are reviewed along with physical realisation techniques. ...
Acknowledgment This work was supported in part by the European Commission through the H2020 ARIADNE project under grant 871464 and the Academy of Finland under grants 330260 and 330957. ...
arXiv:2111.08676v1
fatcat:osgcjeksmnfavolkajrr67qo6q
Multi-layer Modulation for Intensity-Modulated Direct-Detection Optical OFDM
2013
Journal of Optical Communications and Networking
Additionally, a Genetic Algorithm (GA) aided weight optimisation is pursued for seeking an increased MLM Bits Per Symbol (BPS) throughput. ...
A Multi-Layer Modulation (MLM) aided Intensity-Modulated Direct-Detection (IM/DD) DC-Biased Optical OFDM (DCO-OFDM) and Asymmetrically Clipped Optical OFDM (ACO-OFDM) are considered. ...
Additionally, OFDM is also applied in indoor optical wireless systems, in plastic optical fibres and in passive optical networks etc [4] . ...
doi:10.1364/jocn.5.001402
fatcat:wessbkk2hncatogzcza732w6zm
Historical Perspective of Free Space Optical Communications: from the early dates to today's developments
2019
IET Communications
Deep space optical communication systems and next generation FSO wireless terrestrial/global network architecture are summarised. ...
This survey article discusses the revolutions of wireless communication technologies right from the prehistoric man's fire signals to today's space optical communications. ...
The C n 2 and received power PDF prediction models designed based on the open-atmosphere and indoor man-made atmospheric chamber can be found in the literature [9, 10, 15, 27] . ...
doi:10.1049/iet-com.2019.0051
fatcat:thfgmrmltbht3nryghtpoogpgm
Advanced Algorithms of Collision Free Navigation and Flocking for Autonomous UAVs
[article]
2021
arXiv
pre-print
A desirable feature for UAVs is the ability to navigate and perform tasks autonomously with least human interaction. ...
Simulations were performed to verify the performance of these methods considering systems with different sizes. ...
indoors environments. ...
arXiv:2111.00166v1
fatcat:5jnrdu24xrbhraqzucsfsadl4y
Indoor location-aware medical systems for smart homecare and telehealth monitoring: state-of-the-art
2015
Physiological Measurement
This review is the first in the literature that provides a comprehensive discussion on how existing wireless indoor positioning systems can benefit the development of home-based care systems. ...
An ultra-wide bandwidth-based range/GPS tight integration approach for relative positioning in vehicular ad hoc networks Feng Shen, Joon Wayn Cheong and Andrew G Dempster -An intelligent multi-sensor system ...
These include not only radio frequency (RF) electromagnetic-based IPS but also optical and inertial systems.
Received signal strength (RSS): model-based and fingerprinting methods. ...
doi:10.1088/0967-3334/36/10/r53
pmid:26306639
fatcat:tqwr4mlbqzez3e6iz4zngztu3i
The IPIN 2019 Indoor Localisation Competition -Description and Results
2020
IEEE Access
ACKNOWLEDGEMENTS Thanks to Siemens, the Electronic and Telecommunications Research Institute (ETRI), the Korean Institute of Communications and Information Sciences (KICS), Ganko Food, J-Power Systems ...
and the other sponsors who provided prizes for the winners of the competition (see http: //ipin-conference.org/2019/awards.html for a complete list). ...
His research interests include wireless propagation channel measurement/modeling, sensor fusion and positioning algorithms, and application of machine learning techniques to communication systems. ...
doi:10.1109/access.2020.3037221
fatcat:5qeoqek6x5enhdemchslojhotu
« Previous
Showing results 1 — 15 out of 452 results