Combined Signal Quality Indicator for Dual Network Display
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Solution Overview
Problem
Mobile devices typically display only one signal quality indicator for multiple wireless network technologies, misleading users about the availability of secondary networks when transitioning for voice or data services, leading to potential service failures.
Innovation Solution
A method and system to display a combined signal quality indicator on a mobile device, using a single graphic representation with different colors to show both primary and secondary network signal quality values, allowing users to visualize the status of both networks simultaneously.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If two separate signal indicators are displayed for primary and secondary networks, then the user can accurately assess signal quality of both networks, but it requires additional display area and provides poor visual design
Solution Approach 1:
The patent combines two separate signal quality indicators (primary network and secondary network) into a single unified visual indicator. The display shows one set of signal bars where each bar can represent signal quality from either network, merging the information presentation into a compact form that avoids additional display area requirements while maintaining visual clarity.
Solution Approach 2:
The single signal quality indicator is designed to serve multiple functions: it can display signal quality for the primary network, the secondary network, or indicate when a network transition is occurring. This multi-functional display element eliminates the need for separate indicators while providing comprehensive signal quality information.
2Device complexity
If a single signal quality indicator is displayed for the primary network, then the display is simple and clear, but it does not provide true indication of RF quality when the requested service requires the alternate or secondary network
Solution Approach 1:
The signal quality indicator is made dynamic by allowing it to switch between displaying primary network signal quality and secondary network signal quality based on current operational context. The display can adaptively show relevant signal information without requiring separate static indicators, maintaining simplicity while improving information accuracy.
Solution Approach 2:
The system implements feedback mechanisms where the display updates based on network conditions and service requirements. When a voice call is initiated on the secondary network, the indicator provides feedback by showing the secondary network's signal quality, ensuring the user receives accurate information about the active service's signal conditions.
3Device complexity
If the signal indicator switches back and forth between two network sources based on active network, then the display remains simple, but it will not provide an indication of signal quality before a network transition occurs
Solution Approach 1:
The system performs preliminary actions by pre-loading and monitoring signal quality information for both primary and secondary networks simultaneously. This allows the display to show signal quality for the secondary network before a network transition is actually triggered, giving users advance information about signal conditions without requiring actual network switching to occur first.
Data Source
AI summary
A device and method for displaying a signal quality indicator representation on a mobile device is disclosed. Signal quality values for two different wireless networks is determined. The signal quality indicator is displayed in a banner area on a display of the mobile device providing a graphic representation displaying both of the signal quality values. One of the signal quality values is associated with a first color and the other value is associated with a second color. Where portions of the first signal quality values overlap, a combined representation associated with a third color is displayed. The signal quality indicator is at least one bar of a plurality of graduated bars.