Location-Aware Information Transfer System
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Solution Overview
Problem
Existing location-based services allow information linked to tags to be accessible even when the tag is misplaced or moved from its intended location, leading to invalid information availability.
Innovation Solution
A method where information transfer from a server to a client is permitted only if the client is within a certain distance from a predetermined geographic position associated with the information, using a unique identifier and GPS coordinates to determine proximity and authorize data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If information is made available to clients based on tag identification alone, then ease of operation is improved, but reliability deteriorates because information can be accessed even when the tag is misplaced or copied
Solution Approach 1:
The patent adds a spatial dimension to the information access control system. Instead of only checking if a client has a valid tag identifier, the system now verifies the client's geographic position against the predetermined position associated with the tag. This dimensional addition (geographic location) resolves the contradiction by enabling location-aware validation that prevents misuse while maintaining ease of legitimate access.
Solution Approach 2:
The patent introduces an intermediary verification step between tag identification and information delivery. The server acts as an intermediary that receives the tag identifier from the client, looks up the associated predetermined position, and validates whether the client's current position matches the expected position before allowing information transfer. This intermediary validation mechanism ensures reliability while preserving ease of operation for legitimate users.
2Reliability
If location verification is implemented to ensure information is only accessible at the correct geographic location, then reliability is improved, but device complexity increases due to additional position determination and comparison operations
Solution Approach 1:
The patent applies preliminary action by pre-storing the predetermined position associated with each tag identifier in a database before the actual information access occurs. This preliminary setup eliminates the need for complex real-time location verification algorithms during the critical validation moment, as the system only needs to compare the client's current position against the pre-stored expected position, thereby reducing operational complexity while maintaining high reliability.
Data Source
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AI summary
The invention concerns a method for transferring information between a server 101 and a client 102, wherein transferring of a piece of information from said server 101 to said client 102 is permitted depending on a first position, in particular of said client 102, and a predetermined second position, in particular said second position being assigned to said piece of information.