Wireless Power Management Controller Dynamic Transmission Adjustment
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Solution Overview
Problem
Wireless communication devices experience increased power consumption due to enhanced features like internet browsing and email access, leading to more frequent recharging and larger battery requirements, necessitating a method to reduce battery consumption.
Innovation Solution
A power management controller is implemented to detect when power savings can be applied without tolerating data loss, allowing for reduced transmission power levels during data communication, which includes a power saving determination unit and a power level controller to adjust transmission power based on application needs and network conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If additional features like internet browsing and email access are added to wireless communication devices, then device functionality and user capability are improved, but power consumption increases
Solution Approach 1:
The patent implements dynamic power adjustment by continuously monitoring packet error rates and adapting transmission power levels in real-time. The system transitions from static power allocation to dynamic power control, adjusting transmission parameters based on actual channel conditions to minimize power consumption while maintaining communication quality.
Solution Approach 2:
The system changes transmission parameters (power levels, data rates) based on detected packet error rates and channel conditions. By monitoring communication quality metrics and adjusting physical layer parameters dynamically, the system optimizes the balance between functionality and power consumption.
2Use of energy by moving object
If transmission power level is reduced to save battery power, then power consumption is decreased, but data transmission reliability deteriorates
Solution Approach 1:
The patent implements a feedback mechanism where packet error rates are continuously monitored and used to adjust transmission power levels. The system measures communication quality, compares it against thresholds, and dynamically adjusts power settings to maintain reliability while minimizing power consumption. This closed-loop control ensures reliability is preserved at optimal power levels.
Solution Approach 2:
The system dynamically adjusts transmission parameters based on real-time channel conditions and error rate measurements. Rather than using fixed power levels, the system adapts transmission power and data rates according to actual communication quality, maintaining reliability while optimizing power consumption.
3Productivity
If higher data rates are used to improve communication speed, then productivity is improved, but power consumption increases
Solution Approach 1:
The system implements dynamic rate adaptation by adjusting data transmission rates based on detected channel conditions and packet error rates. When channel quality is good, higher data rates are used to maximize productivity; when conditions deteriorate, the system reduces data rates to maintain reliability, thereby optimizing the productivity-power consumption tradeoff.
Solution Approach 2:
The patent changes physical layer parameters including data rate and modulation scheme based on communication quality measurements. By adapting transmission parameters to match channel conditions, the system achieves high productivity when possible while consuming less power when channel conditions are poor.
Data Source
AI summary
A system and method are provided for facilitating reduced power consumption when communicating between a wireless communication device and a wireless communication controller. A power management controller comprising a power saving detection unit and a power level controller is provided. The power savings detector detects when power savings can be applied in accordance with whether or data loss between the base state controller and the wireless communication device can be tolerated. The power level controller selects a reduced transmission power level at which to transmit data if a data loss can be tolerated.