Inventor

KISAKA YOSHIAKI

JP59 patents

⚠️ This page may combine multiple inventors who share the name “KISAKA YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KISAKA YOSHIAKI

NIPPON TELEGRAPH & TELEPHONE

Transport system and transport method

Automatic bias control circuit

Coherent communication system, communication method, and transmission method

Optical transmission system

Optical signal transmission apparatus and optical signal transmission method

Digital coherent receiver and digital coherent receiving method

Optical transmission system, phase compensation method, and optical reception apparatus

Digital transmission system

Multiplexing and transmission apparatus

Synchronous detection apparatus, synchronous detection method, and program

Wavelength dispersion compensation apparatus, optical receiving apparatus, wavelength dispersion compensation method and computer program

Optical transmission system

Signal-to-noise ratio estimation method, optical transmission apparatus, and optical transmission system

Multiplexing transmission system and multiplexing transmission method

Optical signal demodulator, control method and program

Symbol determination device and tap selection method

Optical transmission system, control apparatus, optical transmission method and program

Optical transmission system, optical transmitting apparatus and optical receiving apparatus

Symbol judgement apparatus and symbol judgement method

Signal processing apparatus and signal processing method

Optical transmission system

Optical receiving apparatus and waveform distortion compensation method

Optical transmission system, optical transmitting apparatus, and optical receiving apparatus

Communication system, optical transmitting apparatus, and optical receiving apparatus

Optical transmission/reception system, transmitter, receiver, and optical transmission/reception method

Depolarizer and optical amplifier excitation apparatus

Adaptive equalization filter and method for updating filter coefficients

Bias voltage adjustment apparatus and IQ optical modulation system

Wavelength dispersion amount estimation apparatus

Optical transmission system, optical receiving apparatus and optical transmission method

Optical transmission system and characteristic estimation method

S/N ratio estimation circuit, and adaptive filter circuit

Optical transmission system and compensation method

Wavelength dispersion compensation apparatus, wavelength dispersion compensation method, and optical receiving apparatus

NTT ELECTRONICS CORP

Chromatic dispersion compensation device, chromatic dispersion compensation method, and communication device

Data phase tracking device, data phase tracking method and communication device

Transmission characteristic compensation apparatus, transmission characteristic compensation method, and communication apparatus

Frame synchronization apparatus, optical communication apparatus, and frame synchronization method

Frame synchronization apparatus, optical communication apparatus, and frame synchronization method

Chromatic dispersion estimating circuit, optical reception device and chromatic dispersion amount estimating method

Data processor, data processing method and communication device

NTT INC

Symbol judgement apparatus, symbol judgement method and program

Signal processing apparatus, signal processing method and communication system

Excitation device for optical amplifier

Optical transmission system, optical receiver, optical transmitter, control method and program

KISAKA YOSHIAKI

Optical transmission system and method

Digital transmission system and digital transmission method

KOBAYASHI SHOUKEI

Signal block sequence processing method and signal block sequence processing apparatus

HIRANO AKIRA

Transmission system and transmission method

DEUTSCHE TELEKOM AG

Processes and devices for the determination of a PMD-induced outage probability of an optical transmission system