Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Jonas Hilt"'
Autor:
Kerolos Gabra Kamel Gabra, Peter Hellwig, Sepideh Mohammadi Kouhini, Sreelal Maravanchery Mana, Jonas Hilt, Volker Jungnickel
Publikováno v:
PIMRC
IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), 2021
2021 IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)
IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), 2021
2021 IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)
In this paper, we report for the first time on a new channel modelling technique for multi-link LiFi scenarios. By considering simplified numerical calculation, it models the links between multiple optical frontends and multiple mobile devices much f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::738809b88c6d7c5b490d1f185d703b49
https://doi.org/10.1109/pimrc50174.2021.9569661
https://doi.org/10.1109/pimrc50174.2021.9569661
Autor:
Jonas Hilt, Dominic Schulz, Volker Jungnickel, Christian Schmidt, Ronald Freund, Peter Hellwig, Julian Hohmann
Publikováno v:
Journal of Lightwave Technology. 37:634-642
In this paper, results are presented from a long-term outdoor field trial using a rate-adaptive, LED-based optical wireless link over 100 m rooftop-to-rooftop distance. The optical link is installed in parallel to a 60 GHz link, enabling a direct com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ae9fe6c1bcfaa3174c2c820931ab740
https://doi.org/10.1109/jlt.2018.2878362
https://doi.org/10.1109/jlt.2018.2878362
Autor:
Klara Hirmanova, Ronald Freund, Volker Jungnickel, Dominic Schulz, Anagnostis Paraskevopoulos, Petr Chvojka, Peter Hellwig, Kai Lennert Bober, Stanislav Zvanovec, Sreelal Maravanchery Mana, Radek Janca, Jonas Hilt
Publikováno v:
IEEE Journal of Lightwave Technology
Networked optical wireless communication, also denoted as LiFi, is expected to play an important role in so-called smart hospitals. In this paper, we present the first experimental study of LiFi in an operating room at Motol University Hospital in Pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a07cf0435a7090526a5db035d4dfa32
Autor:
Jonas Hilt, Hossien B. Eldeeb, Murat Uysal, Peter Hellwig, Volker Jungnickel, Sreelal Maravanchery Mana
Publikováno v:
IEEE Photonics Technology Letters
IEEE Photonics Technology Letters, Institute of Electrical and Electronics Engineers, 2021, 33 (16), pp.916-919. ⟨10.1109/LPT.2021.3072254⟩
IEEE Photonics Technology Letters, Institute of Electrical and Electronics Engineers, 2021, 33 (16), pp.916-919. ⟨10.1109/LPT.2021.3072254⟩
International audience; LiFi has been considered as a promising candidate for future wireless indoor networks. The IEEE P802.15.13 and P802.11bb standardization groups agreed upon channel models generated using the non-sequential ray tracing approach
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::292249a42e24296e0da85aa541303fd7
https://publica.fraunhofer.de/handle/publica/268568
https://publica.fraunhofer.de/handle/publica/268568
Autor:
Ronald Freund, Malte Hinrichs, Kai Lennert Bober, Pablo Wilke Berenguer, Jonas Hilt, Peter Hellwig, Volker Jungnickel, Anagnostis Paraskevopoulos, Dominic Schulz
Publikováno v:
IEEE Transactions on Green Communications and Networking, vol. 5, no. 1, pp. 4-17
Energy consumption is one of the critical issues in optical wireless communications transmitter design and a limiting factor to miniaturization and deployment in mobile devices. In order to reduce energy requirements, we assess a physical layer based
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b4080b9dd734ba9f8bf52d962272774
https://publica.fraunhofer.de/handle/publica/269128
https://publica.fraunhofer.de/handle/publica/269128
Autor:
Peter Hellwig, Volker Jungnickel, Jonas Hilt, Murat Uysal, Hossien B. Eldeeb, Sreelal Maravanchery Mana
Publikováno v:
2020 IEEE Photonics Conference (IPC)
In this paper, we investigate 2 x 2 MIMO light communication channels using non-sequential ray tracing simulations, and measurements over 200 MHz bandwidth using a MIMO channel sounder. Results indicate good agreement between simulations and measurem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4897c9bd563a43188cee3a86861cd903
https://doi.org/10.1109/ipc47351.2020.9252508
https://doi.org/10.1109/ipc47351.2020.9252508
Autor:
Murat Uysal, Peter Hellwig, Jonas Hilt, Volker Jungnickel, Sreelal Maravanchery Mana, Hossien B. Eldeeb
Publikováno v:
CSNDSP
2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)
2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)
Light communications, also denoted as LiFi, is promising for future wireless indoor networks. For performance evaluation, the IEEE P802.15.13 and P802.11bb standardization groups agreed upon channel models based on non-sequential ray tracing. In this
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04a1bd3db9cea6abdc06bcef300985c9
https://doi.org/10.1109/csndsp49049.2020.9249565
https://doi.org/10.1109/csndsp49049.2020.9249565
Autor:
Malte Hinrichs, Dominic Schulz, Christian Schmidt, Jonathan Schostak, Jonas Hilt, Peter Hellwig, Benjamin Poddig, Volker Jungnickel, Ronald Freund, Kai Lennert Bober
Publikováno v:
ICTON
In optical wireless communications (OWC), orthogonal frequency division multiplexing has become a common choice of modulation as it is well established in both wired and radio frequency wireless applications. While it has advantages such as high spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0daff761a529d4b5c425275797bfebe7
https://doi.org/10.1109/icton51198.2020.9203161
https://doi.org/10.1109/icton51198.2020.9203161
Autor:
Petr Chvojka, Klara Hirmanova, Jonas Hilt, Stanislav Zvanovec, Kai Lennert Bober, Sreelal Maravanchery Mana, Peter Hellwig, Volker Jungnickel, Radek Janca
Publikováno v:
Optical Fiber Communication Conference (OFC) 2020
Optical Fiber Communication Conference (OFC) 2020, Mar 2020, San Diego, United States. pp.M3I.2, ⟨10.1364/OFC.2020.M3I.2⟩
OFC
Optical Fiber Communication Conference (OFC) 2020, Mar 2020, San Diego, United States. pp.M3I.2, ⟨10.1364/OFC.2020.M3I.2⟩
OFC
International audience; We present LiFi channel measurements in a neurosurgery room of Motol University Hospital in Prague. Individual channels are combined into a virtual multiuser MIMO link. We report achievable data rates for different LiFi transm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc6a9172cc38339b1352f667e28b3a30
https://hal.archives-ouvertes.fr/hal-02569803
https://hal.archives-ouvertes.fr/hal-02569803
Autor:
Sreelal Maravanchery Mana, Jonas Hilt, Pablo Wilke Berenguer, Peter Hellwig, Volker Jungnickel, Sepideh Mohammadi Kouhini
Publikováno v:
12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP), 2020
CSNDSP
2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)
CSNDSP
2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)
Distributed multiple-input multiple-output (MIMO) techniques gain substantial interest for LiFi in indoor scenarios. Distributed MIMO provides homogeneous coverage, higher throughput, reduced blockage probability and lower latency. For developing eff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0234f63e744a2294bdcaf06a5504b3f