Wireless Device Power Optimization via Module Transfer
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Solution Overview
Problem
Multi-functional wireless communication devices face challenges in extending battery life due to increased power demands and varying usage patterns, leading to inconvenient battery depletion.
Innovation Solution
A method and apparatus that utilize a plurality of battery-powered modules to detect reserve power levels and transfer processing functions among them to optimize power usage, forming a personal area network to conserve battery life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple battery-powered modules are used to perform communication functions, then functional capabilities and versatility are improved, but power consumption increases and battery life decreases
Solution Approach 1:
The communication device is divided into multiple independent battery-powered modules, each capable of performing communication functions. The system segments the overall communication task among these modules, allowing dynamic selection of active modules based on power availability. This segmentation enables the system to maintain versatility while managing power consumption by activating only necessary modules.
Solution Approach 2:
The system dynamically adjusts which modules are active based on detected power levels and usage factors. Modules can transition between active and standby states, and processing functions can be transferred between modules in real-time. This dynamic behavior allows the system to optimize power consumption while maintaining functional capabilities when needed.
2Device complexity
If processing functions are concentrated in one module, then device complexity is reduced, but power consumption increases leading to shorter battery life
Solution Approach 1:
Multiple communication modules are merged into a cooperative ensemble where each module retains full processing capability. Instead of concentrating functions in one module, the system combines the capabilities of multiple modules and intelligently distributes workload. This merging approach maintains functional completeness in each module while allowing power-saving modes where some modules remain in low-power states.
Solution Approach 2:
The system introduces a coordination mechanism that acts as an intermediary between multiple modules. This mediator manages power distribution, monitors battery levels, and transfers processing functions between modules as needed. The intermediary enables efficient load balancing without requiring complex individual module designs, thus managing both complexity and power consumption.
3Measurement precision
If battery power is monitored continuously to optimize power usage, then power management precision is improved, but additional power consumption is incurred
Solution Approach 1:
Instead of continuous monitoring, the system employs periodic power level detection at strategically chosen intervals. Power levels are monitored when modules transition between states or when usage patterns suggest reevaluation is needed. This periodic approach provides sufficient precision for power management decisions while significantly reducing the overhead power consumption compared to continuous monitoring.
Solution Approach 2:
Each module monitors its own power level and makes autonomous decisions about when to transfer functions or enter low-power modes. This self-service approach eliminates the need for centralized continuous monitoring, as each module independently manages its power consumption based on its own battery status and current workload, reducing overall system power overhead.
Data Source
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AI summary
A method and apparatus are provided for operating a wireless communication device. The method includes the steps of providing a plurality of battery powered modules that are carried by a user and together operate as the wireless communication module (ensemble), detecting a battery reserve power level of a first module of the plurality of modules and transferring a processing function from the first module to a second module of the plurality of modules based upon the detected battery reserve power.