Mobile Antenna Selection Using Multi-Sensor Handling Detection
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Solution Overview
Problem
Mobile devices face challenges in determining their handling condition, which affects antenna performance and overall system operation, as existing technologies lack effective methods to accurately detect how the device is being held or positioned relative to the user's body.
Innovation Solution
The implementation of a mobile device system that includes left and right capacitive proximity sensors, an accelerometer, and an ambient light proximity sensor, with a processor that combines data from these sensors to determine the handling condition and adjust antenna settings or selection accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple sensors are used to detect handling condition, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple sensors (capacitive proximity sensors, accelerometer, ambient light sensor) into a unified handling condition detection system. The processor integrates data from all sensors to comprehensively determine device handling state, resolving the contradiction by merging sensor functions rather than using them in isolation.
Solution Approach 2:
The sensor system is designed to serve multiple functions: capacitive proximity sensors detect both hold condition and proximity to user's head, while the accelerometer detects orientation. This multi-functionality approach improves measurement precision without proportionally increasing device complexity.
2Reliability
If antenna selection is optimized based on handling condition, then communication performance is improved, but processing requirements increase
Solution Approach 1:
The system pre-establishes the relationship between handling conditions and optimal antenna selections. When a handling condition is detected, the processor can quickly determine the appropriate antenna without complex real-time calculations, thus improving communication performance while keeping processing requirements manageable.
Solution Approach 2:
The system continuously monitors handling condition through sensors and provides feedback to the antenna selection mechanism. This closed-loop feedback enables dynamic optimization of communication performance based on actual device usage patterns without requiring excessive processing power.
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
This solution enables accurate determination of the handling condition, allowing for optimized antenna power adjustment and improved communication performance by accounting for how the device is held and positioned, thereby enhancing mobile device functionality.
Implementation Method 1
at least one left capacitive proximity sensor disposed on a left side of the mobile device and operable to detect a hold condition
Implementation Method 2
an accelerometer disposed in the mobile device and operable to detect an orientation of the mobile device
Implementation Method 3
an ambient light proximity sensor disposed in the mobile device and operable to detect a proximity of a user's head
Data Source
AI summary
A mobile device for determining a handling condition of the mobile device and a method of use thereof. One embodiment of the mobile device includes: at least one left capacitive proximity sensor disposed on a left side of the mobile device and operable to detect a hold condition, at least one right capacitive proximity sensor disposed on a right side of the mobile device and operable to detect a hold condition, an accelerometer disposed in the mobile device and operable to detect an orientation of the mobile device, an ambient light proximity sensor disposed in the mobile device and operable to detect a proximity of a user's head, and a processor operable to execute an application configured to gain access to and employ the hold condition, the orientation, and the proximity of the user's head to determine a handling condition.