Physical Link Failure Detection via Bitwise Signal Processing
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Solution Overview
Problem
Existing manual and timing polling testing techniques in wireless communication systems cannot accurately detect short circuits, loopbacks, unpaired receiving and sending, or loopbacks with unpaired receiving and sending in physical links, limiting rapid fault location and maintenance.
Innovation Solution
A device and method that send a detection signal with a sequence header identifier and equipment port number, processed by both ends using bitwise NOT, allowing for the determination of physical link failures including open circuits, short circuits, loopbacks, unpaired receiving and sending, and loopbacks with unpaired receiving and sending.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual testing technique is used to detect physical link failure, then the detection can be performed with simple equipment, but the operation personnel cannot arrive at the field in time and labor and material costs increase
Solution Approach 1:
The system performs self-diagnosis by automatically sending detection sequences and analyzing returned sequences without requiring external personnel intervention. The detecting end autonomously identifies physical link failures including open circuits, short circuits, loopbacks, and unpaired receiving/sending conditions.
Solution Approach 2:
A detection sequence is introduced as an intermediary carrier to transmit link status information. The sequence includes header identifiers and equipment port numbers that enable automatic identification of failure locations and types without manual field testing.
2Extent of automation
If timing polling testing technique is used to detect open circuit, then the detection can be performed automatically, but it cannot detect short circuit, loopback, unpaired receiving and sending, and loopback with unpaired receiving and sending
Solution Approach 1:
The detection sequence includes variable parameters such as header identifiers and equipment port numbers that change based on the transmission path. By analyzing changes in these parameters in the returned sequence, the system can precisely identify different failure types including short circuits, loopbacks, and unpaired receiving/sending conditions.
Solution Approach 2:
The system implements feedback by comparing the original detection sequence with the returned detection sequence. The detected end processes the sequence and returns it, allowing the detecting end to analyze the feedback information and identify specific failure types based on the differences observed.
Data Source
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AI summary
A device for detecting a physical link and a method thereof are disclosed by the present invention, wherein a detecting end sends a detection signal to a detected end; the detected end returns the detection signal to the detecting end after processing the detection signal that is received; the detecting end re-processes the detection signal that has been processed from the detected end, and determines whether a physical link failure occurs according to the detection signal that is re-processed. The device for detecting the physical link and the method thereof in the present invention can solve the problem that the existing manual testing technique and timing polling testing technique cannot detect the problems except the open circuit in the physical link, such as the short circuit or the loopback, the unpaired receiving and sending, or the loopback with unpaired receiving and sending, etc..