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1997
Conference Paper
Titel
Low phase noise microwave and millimeter-wave generation and transmission using optical heterodyning
Abstract
Error-free 140 Mbit/s transmission experiments with optically generated millimeter-waves at frequencies at 18 and 60-70 GHz are reported. The millimeter-wave signals depict quartz accuracy and low phase noise <-80 dBc/Hz (@ 1 kHz). For bidirectional transmissions two millimeter-wave carriers one for the radio link to the mobile receiver (down link) and one for the uplink-millimeter-wave mixer in the base station are generated by optical heterodyning.
Tags
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cellular radio
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digital radio
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land mobile radio
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microwave generation
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microwave links
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millimetre wave generation
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millimetre wave mixers
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optical communication equipment
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phase noise
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quadrature phase shift keying
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radio receive
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millimeter-wave generation
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low phase noise
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optical heterodyning
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millimeter-wave transmission
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microwave transmission
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error-free transmission experiments
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optically generated millimeter-waves
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millimeter-wave signals
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quartz accuracy
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bidirectional transmissions
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millimeter-wave carriers
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radio link
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mobile receiver
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down link
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uplink-millimeter-wave mixer
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base station
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pico-cellular broadband mobile communication systems
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qpsl
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laser diodes
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18 GHz
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60 to 70 GHz
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140 mbit/s