Frequency response measurement system and method
AssigneeElectronics and Telecommunications Research Institute
InventorJung Hwan Hwang
Life of this patent
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Abstract
A frequency response signal transmitting device for frequency response measurement includes: a first oscillator unit configured to generate a clock signal; a clock and data recovery (CDR) unit configured to remove a jitter component of the clock signal; a pulse signal generation unit configured to receive an output signal of the CDR unit and generate a pulse signal repeated at a predetermined period; and an optical signal transmission unit configured to receive the output signal of the CDR unit and apply the received signal to an optical cable.
Claims12
A frequency response signal transmitting device for frequency response measurement, comprising:
- a first oscillator unit configured to generate a clock signal;
- a clock and data recovery (CDR) unit configured to remove a jitter component of the clock signal;
- a pulse signal generation unit configured to receive an output signal of the CDR unit and generate a pulse signal repeated at a predetermined period;
- and
- an optical signal transmission unit configured to receive the output signal of the CDR unit and apply the received signal to an optical cable.
A frequency response measurement system comprising:
- a frequency response signal transmitting device configured to transmit a generated pulse signal through a dielectric medium and transmit a synchronization signal synchronized with the pulse signal through an optical cable;
- a frequency response signal receiving device configured to receive the pulse signal transmitted through the dielectric medium and receive the synchronization signal through the optical cable;
- and
- a frequency response measuring device configured to measure the transmitted pulse signal and the received pulse signal based on the synchronization signal.
A signal transmission method performed by a frequency response signal transmitting device, comprising:
- generating a pulse signal and a synchronization signal synchronized with the pulse signal;
- and
- applying the pulse signal and the synchronization signal to a dielectric medium and to an optical cable, respectively, to transmit the signals.
A frequency response measurement method performed by a frequency response measurement system, comprising:
- receiving a pulse signal transmitted through a dielectric medium and a synchronization signal transmitted through an optical cable;
- measuring the transmitted pulse signal based on the synchronization signal;
- measuring the received pulse signal based on the synchronization signal;
- and
- subtracting the transmitted pulse signal and the received pulse signal from a frequency band, and deriving a frequency response.
Dependencies are inferred from the claim text.