Receiving Circuit Frame Validation and Signal Processing
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Solution Overview
Problem
Receiving circuits in radio networks face inefficiencies in processing and evaluating digital signals, particularly in bidirectional communication, where data integrity and frame validation are critical but not adequately addressed.
Innovation Solution
A monolithically integrated semiconductor chip-based receiving circuit with an input circuit for analog-to-digital conversion, an evaluation circuit comprising a detection circuit, check circuit, and control circuit, which filters, decodes, and validates digital signals, enabling bidirectional communication and frame validation through integrated digital signal processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If digital data are recorded in a memory region and read out by an arithmetic logic unit after interrupt, then data processing is enabled, but processing time and system complexity increase
Solution Approach 1:
The receiving circuit is divided into functionally independent modules: an evaluation circuit for signal processing, a detection circuit for data extraction, and a control circuit for coordination. This segmentation allows each module to operate independently and efficiently, reducing overall processing time while maintaining high productivity.
Solution Approach 2:
The evaluation circuit continuously processes incoming digital signals in advance, preparing data for transmission to the arithmetic logic unit. This preliminary processing reduces the burden on the main processor and minimizes interrupt delays, thereby reducing processing time while maintaining efficiency.
2Reliability
If frame validation and data integrity checks are implemented, then reliability improves, but device complexity increases
Solution Approach 1:
The check circuit integrates multiple validation functions (frame format verification, error detection, data integrity checks) into a single unified circuit module. This merging approach maintains high reliability through comprehensive validation while reducing device complexity by consolidating functions that would otherwise require separate circuits.
Solution Approach 2:
The detection circuit automatically validates received frames and detects errors without requiring external intervention from the arithmetic logic unit. This self-service capability ensures data integrity through continuous monitoring while minimizing the complexity burden on the main processing system.
3Productivity
If analog-to-digital conversion is performed, then signal processing capability improves, but energy consumption increases
Solution Approach 1:
The analog-to-digital converter operates periodically rather than continuously, converting signals only when new data arrives or at scheduled intervals. This periodic operation maintains signal processing capability for effective radio communication while significantly reducing energy consumption compared to continuous conversion.
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
The solution enhances data integrity by validating frames and managing signal processing efficiently, ensuring reliable data transmission and reducing errors in radio network nodes, particularly suited for IEEE 802.15.4 standards.
Implementation Method 1
The input circuit can be formed for the analog analog-to-digital conversion of the receiver signal into a digital signal. The analog-to-digital conversion of the received signal occurs preferably by means of an analog-to-digital converter.
Data Source
AI summary
A receiving circuit, method for receiving a signal, and use of a detection circuit and a control circuit of a receiving circuit of a node of a radio network is provided to deactivate an analog signal processing and/or determination of digital data from a signal received over an antenna of the node, when a stored current frame of the digital data has been recognized as valid, and to activate the analog signal processing and/or the determination, when the transmission of the current frame over an interface of the control circuit has been confirmed, whereby the control circuit is connected to the detection circuit and/or an input circuit for deactivation and activation, and whereby the detection circuit is formed to determine the digital data from the received signal.