Zobrazeno 1 - 10
of 35
pro vyhledávání: '"R. Eggemann"'
Autor:
D. Rohde, S. Zinal, B. Kuhlow, A. Kortke, G. Grosskopf, G. Przyrembel, R. Eggemann, H. Ehlers
Publikováno v:
IEEE Photonics Technology Letters. 14:1169-1171
Experiments are described using a photonic beam former to control a 60-GHz smart antenna. The 60-GHz signals are generated by optical heterodyning the waves of two laser diodes. Beam forming is achieved by new photonic planar lightwave circuits in si
Publikováno v:
The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2003. LEOS 2003..
Smart antennas are important for mobile broadband transmission systems. We present results of downlink and uplink beam-forming experiments and 155 Mbit/s data transmissions at 60 GHz and 40 GHz using a silica based photonic beam-former.
Autor:
Martin Mohrle, D. Rohde, Bernd Sartorius, R. Eggemann, G. Grosskopf, J. Slovak, Carsten Bornholdt
Publikováno v:
Optical Fiber Communication Conference and Exhibit.
A novel demonstrator of broadband wireless access for future mobile internet was investigated using steered antennas and optical 60 GHz millimeter-wave sources without rf-electronics in the control station. Key device was a self-pulsating laser desig
Autor:
G. Grosskopf, G. Przyrembel, H. Ehlers, J. Knuppel, B. Kuhlow, R. Ziegler, R. Eggemann, D. Rohde
Publikováno v:
2002 International Zurich Seminar on Broadband Communications Access - Transmission - Networking (Cat. No.02TH8599).
We report on first results of a novel silica based signal processor to be used for beamforming in smart antenna environments. An experiment involving specific components of an envisaged 60 GHz transmission system is described.
Publikováno v:
OFC 2003 Optical Fiber Communications Conference, 2003..
We report on new results of a novel silica based signal processor for optical beam forming in wireless communication smart antenna systems. Basic components and measurements of an envisaged 60 GHz transmission system are described.
Autor:
H. Ehlers, R. Eggemann, G. Grosskopf, B. Kuhlow, A. Kortke, S. Zinal, D. Rohde, G. Przyrembel
We present an optically controlled 60 GHz array antenna which may be used as a smart antenna in an envisaged broadband mobile communication system. The desired field patterns of the antenna were synthesized using the maximum directivity beam-forming
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d93a3b1b6e1425bb9b9ab3edaf8023f
https://publica.fraunhofer.de/handle/publica/203609
https://publica.fraunhofer.de/handle/publica/203609
Publikováno v:
Proceedings 27th European Conference on Optical Communication (Cat. No.01TH8551).
We report on first results of a novel silica based signal processor to be used for beamforming in smart antenna environments. An experiment with some components of an envisaged 60 GHz transmission system is described.
Publikováno v:
2001 IEEE MTT-S International Microwave Sympsoium Digest (Cat. No.01CH37157).
155 Mbit/s data transmission at 60 GHz was carried out successfully with bit error rates below 10/sup -9/. The experimental transmission system included a 1/spl times/4 patch array antenna. It was fed by optically generated RF-signals and its beam wa
Publikováno v:
Integrated Photonics Research.
We report on first results of a novel silica based signal processor for beam forming in wireless communication smart antenna enviroments. An experiment with some components of an envisaged 60 GHz transmission system is described.
Publikováno v:
Conference on Optical Fiber Communication.
Optical signal processing is a key technology for the construction of flexible, transparent optical communication networks, and all-optical signal regeneration is an important task.