Adaptive Voltage Boost Controller for Base Station Power Cables
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Solution Overview
Problem
Cellular communication base stations experience power interruptions and voltage losses due to long cable runs and environmental factors, leading to costly repairs and reduced communication service quality.
Innovation Solution
A power compensator system with an adaptive voltage boost controller is deployed between the power supply and remote radio unit, using temperature and current data to adjust the voltage boost and compensate for voltage losses, ensuring reliable power delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If power is supplied through long cable runs to remote radio units, then base station coverage area is extended, but voltage losses increase leading to power interruptions
Solution Approach 1:
A power compensator device is introduced as an intermediary component between the power supply and remote radio units. This device actively monitors voltage levels and injects compensating voltage to offset losses in the power distribution cables, thereby maintaining stable power delivery over extended distances without requiring cable replacement or voltage increase at the source.
2Reliability
If power compensator is deployed to compensate for voltage losses, then power delivery reliability is improved, but device complexity increases
Solution Approach 1:
The power compensator is designed with autonomous operation capabilities, automatically detecting voltage drops and adjusting compensation levels without external intervention. The system includes built-in monitoring circuits and control logic that enable it to self-regulate, eliminating the need for complex external control systems or manual adjustment mechanisms.
Solution Approach 2:
The power compensator incorporates feedback mechanisms that continuously monitor power delivery conditions and adjust compensation output accordingly. Voltage sensors detect real-time voltage levels at remote units, and this information feeds back to the compensator's control circuitry, which dynamically adjusts the compensation signal to maintain optimal power delivery.
3Device complexity
If traditional power supply systems are used without compensation, then device complexity is minimized, but power interruptions occur impacting service quality
Solution Approach 1:
The power compensator performs preliminary compensation actions by proactively detecting and correcting voltage drops before they cause power interruptions or service degradation. The system continuously monitors power delivery conditions and applies compensation in advance, preventing rather than merely responding to power failures.
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 power compensator system effectively maintains stable power supply to remote radio units, reducing the need for costly repairs and improving communication service quality by dynamically adjusting voltage based on environmental and operational conditions.
Implementation Method 1
a voltage booster configured to apply a voltage boost to the power signal in response to a control signal
Implementation Method 2
one or more current sensors configured to provide electrical current sample data that indicates an amount of electrical current flowing through the power cable
Implementation Method 3
one or more temperature sensors configured to provide temperature data that is representative of an ambient temperature
Data Source
AI summary
A power compensator for use in a cellular communication base station includes a voltage booster and an adaptive voltage boost controller. The voltage booster is coupled between a first port and a second port to apply a voltage boost to a power signal to generate a compensated power signal that is provided to a remote radio unit (RRU) of the base station. The adaptive voltage boost controller is configured to control the voltage boost applied by the voltage booster to compensate for a voltage loss across the power cable between the power compensator and the RRU. In operation, the adaptive voltage boost controller determines a value of the voltage boost to be applied by the voltage booster based on temperature data and electrical current sample data. The adaptive voltage boost controller then sends a control signal to the voltage booster to adjust the voltage boost based on the determined value.