Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Henrik Schulze"'
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 1, Pp 1-13 (2024)
Methods for calculating the impulse response of dispersive optical wireless channels have been known for a long time. However, a comprehensive procedure for predicting resulting bit error rates, starting from a highly accurate channel emulation metho
Externí odkaz:
https://doaj.org/article/68b7fa716bd24c95a10dd4241f8bee72
Autor:
Henrik Schulze, Peter A. Hoeher
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 1, Pp 1-12 (2023)
In many optical wireless communications systems, power efficiency is paramount. In others, flexibility is important. To achieve these goals, this paper presents a novel transmission scheme dubbed asymmetrically clipped optical Hadamard coded modulati
Externí odkaz:
https://doaj.org/article/142150a766c444178e649260397a92b4
Autor:
Henrik Schulze, Peter A. Hoeher
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 5, Pp 1-8 (2022)
Wireless intensity-modulated optical channels feature some very specific differences compared to wireless radio channels. These properties have a strong impact on the performance of digital modulation techniques. This paper discusses basics to consid
Externí odkaz:
https://doaj.org/article/8d9d07346c7e4668b3396bfeb3ad5275
Autor:
Alexander Chugreev, Birk Wonnenberg, Henrik Schulze, Bernd-Arno Behrens, Florian Bohne, Klaus Dröder
Publikováno v:
Procedia CIRP. 85:96-101
Process planning for multi-axis forming presses is a particular challenge. This process provides the option to actively influencing the material flow in the forming process by defining a six dimensional tool motion path and the tool velocity. By comp
Autor:
Henrik Schulze
Publikováno v:
IET Optoelectronics. 12:94-105
Autor:
Henrik Schulze
Publikováno v:
IET Optoelectronics. 11:121-128
The integrating sphere is the base for a physical model of the wireless optical indoor communication channel. The author has found that the approximate expression for the channel transfer function for the integrating sphere used in that model can be
Autor:
Bernd-Arno Behrens, Alexander Chugreev, Florian Bohne, Moritz Micke, Nenad Grbic, Henrik Schulze, Ralf Lorenz, Sven Hübner, A. W. Neumann
Publikováno v:
Technologies for economical and functional lightweight design ISBN: 9783662582053
This paper gives an overview about different one-shot processes of hybrid forming and joining of semi-finished products using conventional forming presses. An example of forming with a variothermal tool is given by forming a sandwich structure. Diffe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3897d30d904d1456084d71db6be3dc51
https://doi.org/10.1007/978-3-662-58206-0_3
https://doi.org/10.1007/978-3-662-58206-0_3
Autor:
Pablo Wilke Berenguer, Thomas Hansen, Henrik Schulze, Ramona Croonenbroeck, Bernd Holfeld, Dennis Wieruch, Dimitri Block, Rudiger Kays, Uwe Meier, Monique Dungen, Volker Jungnickel
The factories of the future will be highly digitalized in order to enable flexible and interconnected manufacturing processes. Especially wireless technologies will be beneficial for industrial automation. However, the high density of metallic object
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37dcd95620fc58cb7da67ff3420f09ec
https://publica.fraunhofer.de/handle/publica/257950
https://publica.fraunhofer.de/handle/publica/257950
Autor:
Henrik Schulze
Publikováno v:
IEEE Transactions on Communications. 64:2551-2562
The indoor wireless optical communication channel is characterised by the multiple reflections of the light from the surrounding walls. We present a new frequency-domain simulation method for this channel. In contrast to the known time-domain simulat
Publikováno v:
WFCS
Wireless connectivity offers industrial automation the flexibility, mobility and reconfigurability it requires to cope with the new challenges of industry 4.0. Communication in industrial applications like factory automation (e. g. closed-loop contro