Digital Filter Transition State for Signal Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Signal distortion due to frequency offsets, oscillator aging, noise, and communication line disturbances hinders accurate signal reception and decoding in communication systems.
Innovation Solution
A receiver with a digital filter that enters a transition state when receiving a signal, updates the output when stability is achieved, and provides stability information to indicate signal transitions, filtering out glitches and noise while communicating quality information for enhanced reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a digital filter is used to filter signal distortions and noise, then signal reliability is improved, but device complexity increases
Solution Approach 1:
The digital filter monitors its own transition state and automatically determines when to update the output signal based on signal stability, eliminating the need for external control mechanisms. The filter serves itself by using its internal state information to govern its filtering behavior.
Solution Approach 2:
The filter provides stability information about the input signal to the output signal generation process, creating a feedback loop where the filter's own state influences its operation. This allows the filter to adapt its behavior based on real-time signal conditions without external intervention.
2Measurement precision
If the filter enters transition state to process signal changes, then measurement precision is improved, but loss of time increases
Solution Approach 1:
The filter dynamically adjusts its behavior by entering and exiting transition states based on signal conditions. Rather than operating in a fixed mode, the filter adapts its processing characteristics to match the current signal state, allowing precise transition detection while minimizing unnecessary delays.
Solution Approach 2:
The filter prepares for signal transitions by entering transition state in advance when signal changes are detected, allowing the filtering process to be already in place before the full transition completes. This reduces the effective delay by having the filter ready to process changes immediately.
Data Source
AI summary
According to an embodiment, a receiver is described comprising an input configured to receive a digital input signal and a digital filter configured to deliver a filtered digital output signal and to deliver stability information wherein the digital filter is configured to enter or stay in a transition state after a transition at the input signal, leave the transition state when the input signal is considered being stable, update the output signal when leaving the transition state and deliver the stability information indicating transitions at the input signal during transition state.