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Maximum directivity beam-former at 60 GHz with optical feeder

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8 Author(s)
Grosskopf, G. ; Heinrich-Hertz-Inst., Fraunhofer Inst. fur Nachrichtentech., Berlin, Germany ; Eggemann, R. ; Ehlers, H. ; Kortke, A.
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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 algorithm which enables an optimum radio link to a selected mobile terminal to be created while the signals of other terminals are suppressed by the s of the antenna's field distribution. The 60 GHz signals were generated by optically heterodyning the signals of two laser diodes. The field distribution of the antenna was formed by a silica based photonic beam-forming network. The experimentally obtained data confirmed the calculated field patterns.

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Antennas and Propagation, IEEE Transactions on  (Volume:51 ,  Issue: 11 )