Adaptive WiFi Power Control for Mobile Terminals
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Solution Overview
Problem
Current WIFI power control methods in mobile phones are simplistic and fail to adaptively adjust power based on signal strength, throughput requirements, and user needs, leading to inefficient power consumption, radiation concerns, and inconsistent performance across different devices and environments.
Innovation Solution
An adaptive power controllable WIFI adjusting method and device that detects the current WIFI application environment and communication status to determine adjustment targets, performs initial and fine adjustments using digital and analog power control modes, and employs precise calibration and correction to ensure optimal power settings, minimizing radiation and power consumption while maintaining high signal quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If constant power transmission is used to ensure stable WIFI signal, then transmission reliability is improved, but power consumption increases and radiation exposure increases
Solution Approach 1:
The patent implements dynamic power adjustment by continuously monitoring signal strength and automatically modifying transmission power levels. The system transitions from static constant power to dynamic adaptive power control, adjusting power in real-time based on actual communication conditions to maintain reliability while reducing unnecessary power consumption.
Solution Approach 2:
The patent employs feedback mechanisms where the system monitors transmission signal strength and uses this information to adjust power levels. The feedback loop compares actual signal quality against target thresholds and automatically modifies power output, creating a closed-loop control system that optimizes both reliability and power efficiency.
2Reliability
If high power transmission is used to improve signal strength and throughput, then transmission quality is improved, but radiation exposure to human body increases
Solution Approach 1:
The patent changes the power transmission parameter dynamically based on signal strength measurements. By adjusting the power parameter adaptively rather than maintaining a fixed high power level, the system achieves required signal strength while minimizing radiation exposure during periods when high power is not necessary.
Solution Approach 2:
The patent applies partial power transmission when full power is not needed to achieve acceptable signal quality. Instead of consistently using excessive high power, the system uses just enough power to meet communication requirements, reducing radiation exposure while maintaining adequate signal strength.
3Reliability
If long time high power transmission is used to maintain connection stability, then connection reliability is improved, but device heating increases and clock frequency drift increases
Solution Approach 1:
The patent implements dynamic power management that adjusts transmission power based on connection quality metrics. When connection stability is achieved at lower power levels, the system reduces power to minimize heating. This dynamic adjustment prevents sustained high power operation that would cause excessive temperature rise and clock frequency drift.
Solution Approach 2:
The system monitors connection stability metrics and uses this feedback to adjust power levels. When stable connection is detected, the feedback mechanism triggers power reduction to prevent overheating. This closed-loop control ensures connection reliability is maintained while minimizing thermal effects and associated frequency drift.
4Device complexity
If fixed power control method is used to simplify system design, then device complexity is reduced, but adaptability to different application scenarios and environments is worsened
Solution Approach 1:
The patent implements self-service adaptive power control where the system automatically monitors its own performance and adjusts power levels without external intervention. The WIFI module itself performs signal strength measurement and triggers power adjustments, eliminating the need for complex external control systems while achieving environment-specific optimization.
Solution Approach 2:
The patent creates a universal power control mechanism that adapts to multiple application scenarios and environments through a single integrated system. The adaptive power control module serves multiple functions: monitoring signal strength, determining appropriate power levels, and executing adjustments, making the system versatile across different conditions without requiring scenario-specific hardware.
Data Source
AI summary
Disclosed are an adaptive power controllable WIFI adjusting method and device, wherein the method includes the following steps that are suitable for a WIFI mobile terminal to execute: determining a WIFI adjustment object as well as an adjustment target value by detecting a current WIFI application environment and/or communication status; obtaining a current value of the WIFI adjustment object by detecting the WIFI adjustment object; comparing the adjustment target value with the current value, and coupling back a comparison result; performing an initial adjustment and a fine adjustment on the WIFI adjustment object according to the coupled-back comparison result, and making a value of the adjustment object obtained after the adjustments consistent with the adjustment target value through precise adjustment, calibration, and correction.