Distortion/Dispersion Elimination TRIZ Cases

Optical receiver separates dispersion and phase rotation compensation into distinct units, reducing circuit area without sacrificing transmission quality.

A specialized optical noise signal with a spectral notch enables precise measurement of intra-channel nonlinear interference without disrupting data transmission.

Segmenting signal processing moves non-linear equalization to the host ASIC, eliminating redundant hardware and lowering power consumption in optical modules.

A communication receiver transforms signals into sub-bands for precise delay compensation.

A digital-coherent optical receiver adjusts parallel data channels to handle varying bit rates without changing sampling frequency.

Filtering the optical discrete multi-tone signal suppresses one sideband to reduce chromatic dispersion power fading.

A coefficient determination unit optimizes coefficients based on reception signals to compensate for device characteristics in an optical transmission system.

A polarization controller adjusts the state of polarization at an optical transmitter using feedback data from a receiver evaluation module.

A chromatic dispersion monitor estimates signal dispersion via phase differential operations on correlation sequences.

Threshold processing filters high peak-to-average power ratio samples to stabilize the evaluation function and improve estimation accuracy.

Replacing electronic DSPs, an optical neural network uses phase shifters to weight signals, reducing power consumption while maintaining processing quality.

A coherent optical receiver adjusts signal light intensity to match stored amplitude values.

Optical transmission apparatus generates compensation coefficients to amplify specific frequency bands and balance signal quality.

A decision feedback equalizer uses parallel detection subcircuits to process optical data bits.

Segmenting compensation into digital and optical filters reduces signal waveform deterioration caused by high-frequency emphasis in wide-band transmission.

Frequency multiplication reduces phase noise from optical amplifiers by 20log10(N), improving clock synchronization accuracy in analog fiber optic systems.

Coherent receiver system applies adjustable temporal low pass filter to aggregate power for phase rotation.

Continuous analogue waveforms remove symbol definition from optical signals, preventing eavesdroppers from recovering digital bit sequences.

A programmable coherent transceiver configures application modes to support 100 G metro and regional optical networks.

A pre-equalization optical transmitter switches between RZ and NRZ methods using tap coefficients to manage signal modulation.

Calculates node-specific power increases based on measured OSNR decrease to balance signal quality across polarization components.

Electrical-domain equalization replaces complex optical components to mitigate chromatic dispersion and inter-symbol interference in high-speed access networks.

Adjusting the slope and bias voltage of an asymmetrical optical modulator generates a chirped signal that mitigates dispersion-induced pulse broadening.

An optical reception apparatus detects frequency dips in transmission characteristics to control dispersion compensation for multi-carrier signals.

Transmitter and receiver compensators apply frequency-dependent coefficients to prevent clipping while preserving signal-to-noise ratio.

A wavelength division multiplexed system uses probe signal detection to measure relative phase differences for automatic chromatic dispersion compensation.

Computational phase retrieval replaces physical dispersion compensation hardware, reducing receiver complexity and extending signal reach.

Optical frequency transfer device uses passive phase compensation to stabilize signals without servo control units.

Calibration apparatus trains machine learning models to configure pre-distortion and post-distortion compensators in optical communication systems.

Optical transmitter extends IMDD transmission distance to 250 km by compensating for chromatic dispersion using non-linear look-up tables.

A QPSK modulator control system determines bias voltages using binary sequences to identify signal conjugate relationships.

A beam splitter separates backward travelling waves based on polarization to generate an electric correction signal for phase noise.

A digital coherent receiver adjusts sampling phase using sensitivity monitoring signals to stabilize detection.

A fiber emulator replicates worst-case noise contributions to compute TDECQ values without requiring rare physical G.652 configurations.

Optical multilevel signal pre-equalization circuit reduces chromatic dispersion compensation circuit size by using symmetry look-up tables.

An adaptive filter transforms input signals into the frequency domain to weight and correlate data for coefficient adaptation.

Adaptive FIR filtering compensates for channel effects, reducing jitter and dispersion penalty in high-speed optical links.

Digital signal processing compensates chromatic dispersion to extend network reach while reducing system loss and complexity.

A wavelength dispersion compensation circuit uses iterative digital signal processing to estimate and adjust dispersion amounts.

Additive parameter calculation subtracts interference from input signals to compensate nonlinear damage.

Optical transmission system adjusts bidirectional Raman excitation light intensity ratio to manage signal amplification.

A single optical filter assembly splits beams to reduce relative intensity noise, simplifying calibration and lowering power consumption.

Transmitter and receiver digital signal processors apply adaptation functions to shift frequency components away from analog channel impairments.

Modulating radio signals into quantized streams over fiber resolves bandwidth and synchronization bottlenecks in massive MIMO systems.

A chromatic dispersion compensation controller adjusts values using digital electrical signals from optical receivers.

A method derives fixed equalizer coefficients from adaptive equalizer frequency responses using Fourier transform analysis.

High-frequency phase dithering modulates optical signals to suppress interference noise in analog fronthaul networks.

Dispersion adjustment modules alter cumulative pulse dispersions before wavelength conversion to suppress inter-channel interference.

Digital signal processing replaces bulky optical filters to compensate chromatic dispersion, reducing device footprint and eliminating filtering distortions.