Low-Power Asynchronous Data Links With Timing Recovery Segments
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Solution Overview
Problem
Conventional communication systems for data links are costly, inefficient, and ineffective, particularly in handling low-power asynchronous data links, which require efficient synchronization and reliable timing recovery.
Innovation Solution
The system employs low-power asynchronous data links with synchronized receivers using timing recovery portions interspersed in signals, enabling reliable symbol timing recovery with minimal overhead, utilizing components like analog front-end circuits, phase detectors, and voltage-controlled oscillators to configure and process signals for efficient communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional communication systems are used for data links, then basic communication functionality is provided, but the systems become costly, inefficient, and ineffective for low-power asynchronous data links
Solution Approach 1:
The patent segments the data stream into regular data portions and dedicated timing recovery portions. The timing recovery portions are inserted at regular intervals throughout the data stream, allowing the receiver to extract timing information separately from data processing. This segmentation enables efficient asynchronous communication by isolating timing recovery functions from data transmission functions.
Solution Approach 2:
The transmitter performs preliminary action by inserting timing recovery portions into the data stream before transmission. These portions contain timing information that is prepared in advance, allowing the receiver to perform timing recovery without requiring complex real-time processing. This preliminary preparation of timing information enables low-power asynchronous operation.
2Reliability
If timing recovery portions are interspersed in signals for synchronization, then reliable symbol timing recovery is achieved with minimal overhead, but the signal structure becomes more complex
Solution Approach 1:
The patent changes the parameter structure of the signal by inserting timing recovery portions at regular intervals throughout the data stream. These portions are configured with specific timing characteristics that enable reliable synchronization. The parameter changes include modifying the signal timeline to accommodate timing recovery portions while maintaining data transmission integrity.
3Use of energy by moving object
If conventional approaches are used for low-power asynchronous data links, then basic data transmission is possible, but power consumption increases and throughput decreases
Solution Approach 1:
The patent ensures continuity of useful action by maintaining regular intervals between timing recovery portions throughout the data stream. This continuous spacing allows the receiver to continuously recover timing information without interruption, enabling sustained low-power operation while maintaining high throughput. The timing recovery portions are distributed continuously to support ongoing synchronization.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables efficient, low-power communication with reliable synchronization and high throughput, reducing operational costs and improving communication efficiency by ensuring accurate symbol timing recovery with minimal noise and overhead.
Implementation Method 1
a voltage-controlled oscillator (VCO) circuit 206, a low pass filter (LPF) circuit 208, and an analog-to-digital converter (ADC) circuit 210. The VCO circuit 206 generates a feedback signal 207a and a clock signal 207b in response to the control signal 209
Data Source
AI summary
Systems and methods are provided for low-power asynchronous data links. A receiver may obtain from signals, received from a transmitter over low-power asynchronous links, recovery information embedded into the signals at the transmitter, and may determine based on the recovery information, control parameters that may be used in configuring a control signal applied during processing of the signals. The signals may be processed based on the control signal, with the processing comprising extraction of data embedded in the signals at the transmitter. The transmitter may generate, based on an input datastream, signals configured for transmission to the receiver, over low-power asynchronous data links, and may embed into the signals, the recovery information that enables determining, at the receiver, parameters relating to the signals and/or to the generating of the signals. The control parameters may comprise parameters relating to the signals and/or processing of the signals at the transmitter.