Portable Terminal Access Point Scanning in Standby Mode
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Solution Overview
Problem
Portable information terminals face challenges in automatically connecting to access points without user intervention, especially in environments where the terminal's location changes relative to access points, and existing methods require user attention to establish connections.
Innovation Solution
A portable information terminal equipped with first change means, search means, and communication processing means that automatically changes states to search for and connect to access points, perform data communication, and manage power consumption, allowing for seamless network connection without user instruction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If the terminal performs scheduled communication tasks in standby mode assuming constant network connection, then communication tasks can be executed automatically, but the system cannot adapt when no access point is available around the portable apparatus
Solution Approach 1:
The system performs access point scanning in advance before scheduled communication tasks are due. The scanning means actively searches for available access points during standby mode, ensuring that connection information is obtained before communication tasks need to execute, thus resolving the contradiction between automatic execution and adaptability to location changes
Solution Approach 2:
The system dynamically adjusts its behavior based on whether an access point is available. When an access point is detected, the system executes scheduled communication tasks; when no access point is available, the system skips execution and reschedules. This dynamic adaptation resolves the contradiction by making the automation flexible to environmental conditions
2Reliability
If the user manually connects to access points, then connection can be established when needed, but the user must always pay attention to access point availability and perform connection operations
Solution Approach 1:
The system performs self-service by automatically scanning for access points and establishing connections without user intervention. The scanning means autonomously searches for available access points, and the communication processing means automatically connects when conditions are met, eliminating the need for user attention and manual operations while maintaining reliable connection establishment
Solution Approach 2:
The system uses feedback from access point detection to automatically trigger connection actions. When the scanning means detects an access point, this information feeds back to the communication processing means, which then automatically establishes connection, creating a closed-loop system that resolves the contradiction between reliability and ease of operation
3Extent of automation
If the terminal constantly searches for access points in unused state, then automatic connection is achieved, but power consumption increases
Solution Approach 1:
The system uses periodic scanning instead of continuous scanning. The scanning means performs access point searches at predetermined intervals during standby mode rather than continuously monitoring. This periodic approach maintains automatic connection capability while significantly reducing power consumption compared to constant scanning
Solution Approach 2:
The system changes the scanning parameter from continuous to intermittent based on the unused state. When the terminal is in standby mode, scanning is performed only at predetermined intervals rather than continuously, adjusting the operational parameter to balance automation with power consumption requirements
Data Source
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AI summary
When a portable information terminal operates in an unused state, a predetermined access point is searched for. As a result, when the predetermined access point is detected, a connection to the predetermined access point is established, and a predetermined data communication process is performed.