Wireless Communication Power Control With Scenario Calibration
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Solution Overview
Problem
Existing power control mechanisms in wireless communication devices suffer from inaccuracies in power estimation due to variations in device characteristics and environmental factors, leading to inefficient power consumption and potential interference with other devices.
Innovation Solution
A power control mechanism utilizing power mapping information and a calibration process to update power estimation based on scenario-aware power estimation, incorporating a power estimator, power meter, and calibration unit to generate calibrated power values for precise power control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If power estimation is performed using fixed power mapping information, then power control can be implemented, but accuracy is insufficient due to device variations and environmental factors
Solution Approach 1:
The system performs preliminary calibration by measuring actual power consumption across different operation scenarios and storing this calibration information in advance. This pre-collected data is then used to adjust power mapping information, improving estimation accuracy before actual power control operations begin.
Solution Approach 2:
The system continuously monitors actual power consumption through power meters and compares it with estimated power values. This feedback loop enables dynamic adjustment of power mapping information based on measured deviations, allowing the system to adapt to device variations and environmental changes over time.
2Reliability
If transmission power is increased to maintain signal quality, then communication reliability improves, but battery consumption increases and interference with other devices occurs
Solution Approach 1:
The system dynamically adjusts transmission power based on real-time conditions including distance from base station, signal strength, and network status. Rather than using fixed power levels, the power control mechanism continuously adapts power settings to maintain minimum required quality while minimizing energy consumption.
Solution Approach 2:
The system changes power transmission parameters based on calibrated power mapping information that reflects actual device characteristics. By using accurate scenario-specific power estimates, the system transmits at the minimum necessary power level to maintain communication reliability, avoiding both over-powering (waste) and under-powering (poor quality).
3Reliability
If transmission power is increased to ensure reliable communication, then connection stability improves, but interference with other devices increases
Solution Approach 1:
The system dynamically adjusts power levels based on network conditions and signal requirements, transmitting at the minimum necessary power to maintain stable connections. This dynamic adaptation prevents excessive power transmission that would cause interference to other devices while ensuring connection reliability.
Solution Approach 2:
The system replaces fixed mechanical power settings with intelligent software-based power control that uses calibrated estimation algorithms. This substitution enables precise power adjustment to match actual communication needs, reducing unnecessary interference while maintaining connection stability.
Data Source
AI summary
An apparatus for perform power control on a wireless communication device includes: a power estimator, a power meter, a calibration unit and a control unit. The power estimator is configured to generate an estimated power value by querying power mapping information according to scenario information. The power meter is configured to generate a measured power value based on measurement of power supplied to partial circuits of the wireless communication device. The calibration unit is coupled to the power estimator and the power meter and configured to generate a calibrated power value according to the estimated power and the measured power, and accordingly to update the power mapping information based on the calibrated power value and the scenario information. The control unit is coupled to the power estimator and configured to perform power control on the partial circuits of the wireless communication device according to the estimated power value.