Radio Relay Apparatus Temperature Control Method
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Solution Overview
Problem
Radio relay apparatuses in communication systems face hang-ups due to rapid temperature rises, leading to repeater device failures, as existing temperature monitoring techniques are inadequate in preventing temperature-induced failures and maintaining continuous call functions.
Innovation Solution
A radio relay apparatus with a processing unit and temperature measuring unit, managed by a site controller that switches repeater devices from control channel to unavailable state when temperature thresholds are exceeded, and reallocates idle repeaters with lower temperatures to control channel duties, ensuring continuous monitoring and preventing abnormal temperature conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the control channel operation is concentrated on a specific repeater device, then the control function is stable and reliable, but the internal temperature of the repeater device rises easily causing hang-up failures
Solution Approach 1:
The patent implements dynamic role assignment where repeater devices can switch between control channel and communication channel roles based on temperature conditions. The site controller monitors temperatures and dynamically reassigns roles to prevent any single device from overheating while maintaining continuous control function.
Solution Approach 2:
The system periodically monitors the internal temperatures of repeater devices and periodically reassigns control channel roles based on temperature thresholds. This periodic temperature-based role switching prevents sustained high temperatures on any single device while ensuring control continuity.
2Device complexity
If the control channel is switched at fixed time intervals, then the system operation is simple, but it cannot deal with rapid temperature rises causing repeater device hang-up
Solution Approach 1:
The site controller implements temperature feedback monitoring where it continuously checks the internal temperatures of repeater devices and uses this feedback to dynamically determine when to switch control channel roles. This feedback mechanism enables the system to respond to rapid temperature changes without requiring complex predictive algorithms.
Solution Approach 2:
The system performs preliminary temperature monitoring and role reassignment before a repeater device reaches its maximum operating temperature and fails. By detecting temperature trends and proactively switching roles when thresholds are approached, the system prevents hang-up failures before they occur.
3Reliability
If temperature monitoring is implemented to prevent hang-up, then repeater device reliability is improved, but the system complexity and monitoring requirements increase
Solution Approach 1:
Each repeater device includes an internal temperature measuring unit that autonomously monitors its own temperature and reports to the site controller. This self-service approach distributes the monitoring burden across individual devices rather than requiring a centralized complex monitoring system, simplifying the overall architecture while maintaining continuous temperature surveillance.
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 solution effectively prevents repeater device failures by continuously monitoring temperatures and switching roles before reaching abnormal values, maintaining the base station's call function and extending the service life of repeater devices.
Implementation Method 1
a temperature measuring unit configured to measures a temperature
Data Source
AI summary
In a base station, in cases where a repeater device capable of performing radio communication with a communication terminal is in a control channel state to control entire communication, a site controller determines whether an internal temperature of the repeater device is equal to or higher than a preset first temperature threshold, and when the internal temperature of the repeater device is equal to or higher than the first temperature threshold, the site controller brings the repeater device from the control channel state to an unavailable state, after bringing another repeater device that is in an idle state where nothing is processed, to the control channel state. Thereafter, when the internal temperature of the repeater device becomes equal to or lower than a preset second temperature threshold and when a predetermined time is elapsed, the site controller brings the repeater device from the unavailable state to the idle state.