Synchronisation Error Correction TRIZ Cases
- Clock Offset Estimation for Differential Protection Link Asymmetry
Adaptive Kalman filtering and stable local oscillators detect link asymmetry and align current samples without external time sync.
- Vehicle ECU Message Authentication for Secure Counter Synchronization
MAC authentication with trip and time-based counters helps ECUs confirm synchronization, detect key mismatches, and resist attacks.
- Signal Synchronization Using FIR Filters for Phase Shift Compensation
FIR filters detect and remove phase shifts between asynchronous signals, improving data fusion accuracy without extra hardware or clock resources.
- Clock Recovery Circuit Using Multi-Phase Detection Under Data Distortion
Multi-phase sampling and logic-based control stabilize clock phase and frequency detection under jitter and skew without a separate frequency loop.
- PAM4 Threshold Phase Calibration for Continuous Data Recovery
A separate monitoring path calibrates PAM4 phase and slicing thresholds in real time, cutting bit errors without interrupting data flow.
- TDC Duty Cycle Correction for SerDes Signal Distortion
A self-triggering TDC measures delayed signal portions to correct duty cycle distortion without extra sampling clocks or analog filters.
- Self-Triggering TDC Duty Cycle Correction for Signal Distortion
A self-triggering TDC measures clock duty cycle and corrects distortion to 50% without extra sampling clocks, improving link margin and reliability.
- Automotive Differential Bus Clock Sync for High-Rate Sensor Data
Periodic sync pulses align sensor clocks on a differential automotive bus, enabling data rates above 8 Mbps without costly EMI filters.
- Asynchronous Data Communication with Analog Filtering in Noisy Environments
Analog continuous-time filtering and asynchronous ADC sampling maintain reliable remote data links in noisy environments without clock recovery.
- Transition Encoding with Running XOR to Limit Error Propagation
Running XOR preprocessing and key-based coding confine transition-encoding decode errors to two words instead of corrupting a full packet.
- Clock Data Recovery Soft Decoding for Digital PON Receivers
Derive LDPC-ready soft information from digital clock data recovery states, avoiding ADC complexity in PON signal reception.
- Bluetooth Receiver ADC Sampling Using Connection-State AGC
A connection-state ADC clock lets a Bluetooth receiver extend AGC into the access address field and cut power on unwanted packets.
- Oversampling Receiver Circuit for Jitter-Robust eARC Duty Detection
Oversampling, filtered start-point data, and offset sampling reduce eARC jitter errors in duty-cycle detection and logical value decoding.
- Transition Encoding With XOR Decoding to Limit Error Propagation
XOR-based transition encoding contains key-value transmission errors to two decoded words, preserving clock recovery in noisy serial links.
- Bluetooth Receiver ADC Sampling for Low-Power AGC Timing
Variable ADC sampling by connection state lets Bluetooth AGC extend into the access address field, cutting unnecessary receiver power use.
- Wireless Station Frequency Correction Without CNR Degradation
GNSS-based frequency error correction adjusts modulation data in real time to hold RF center frequency without degrading carrier-to-noise ratio.
- PWM Controller Synchronization Using Gradual Counter Adjustment
A secondary controller corrects sync timing error by gradually adjusting counter period, keeping PWM waveforms aligned without glitches.
- Bluetooth Receiver AGC Sampling Using Access Address Bits
Variable ADC sampling lets a Bluetooth receiver finish AGC with preamble and early access address bits, cutting power on unwanted packets.
- Quadrature Clock Correction Circuit for Low-Power IQ Calibration
A single-stage quadrature clock correction circuit fixes duty cycle and IQ phase errors while cutting transmitter power and internal loading.
- Digital Radio Audio Path Alignment Using Decimated Offset Estimation
Decimated coarse and fine offset estimation aligns analog and digital audio paths with lower multiply count and memory use.
- Clock Data Recovery Soft Decoding Without ADC Amplitude Data
Derive LLR soft information from digital CDR states so PON receivers can use LDPC decoding without analog amplitude data or ADC complexity.
- Quadrature Clock Correction Circuit With Single-Stage IQ and Duty Calibration
A merged correction stage fixes duty cycle and IQ phase mismatch in transmitter clocks while reducing power from two-stage circuit loading.
- Multi-Rate Clock Buffer Using Selective Tuned Circuits
Selective tuned circuits let one clock buffer handle multiple frequency ranges while maintaining performance and reducing power use.
- Multi-Rate Clock Buffer Using Selective Tuned Circuit Switching
Selective tuned circuits let one clock buffer match different frequency ranges while maintaining performance and reducing power consumption.
- Tunable Multi-Path RF Filter for Wideband Frequency Coverage
A tunable clock and multi-path filter architecture replaces fixed SAW filters, covering 0.1-6 GHz with adjustable bandwidth.
- PPM Symbol Clock Recovery Using Largest-Magnitude Boundary Detection
Largest-magnitude pulse comparison identifies true PPM symbol boundaries quickly, cutting data latency and preserving channel efficiency.
- Envelope-Phase Delay Correction in EER Power Amplifiers
Corrects envelope-phase timing mismatch in EER transmitters using preset digital or analog delays to improve EVM, ACLR, and amplifier efficiency.