Information Sharing Server Proximity Detection
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Solution Overview
Problem
Existing systems for information sharing between mobile terminals within a short distance face challenges when users subscribe to different telecom companies, as base station identification issues lead to increased administrative burdens and incomplete data distribution.
Innovation Solution
A server system that wirelessly associates and stores identifiers of terminals and sending terminals to estimate proximity, allowing data transmission to terminals estimated to be in close vicinity without requiring registration of base station information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If base station identifiers are used to determine terminal proximity, then information sharing between terminals can be achieved, but administrative burden increases due to required base station information registration
Solution Approach 1:
The patent introduces a wireless communication signal as an intermediary to indicate terminal proximity. Instead of directly using base station identifiers which require administrative registration, the system uses the presence and characteristics of wireless signals from sending terminals as a mediator to infer spatial proximity and enable information sharing without requiring base station information management.
Solution Approach 2:
The system enables terminals to self-identify their proximity status by wirelessly transmitting and receiving identifiers. Each terminal independently determines whether it is in proximity to the originating terminal by detecting wireless signals, eliminating the need for external administrative registration of base station information while maintaining the information sharing function.
2Reliability
If base station identifiers are used for terminal identification, then data distribution can be controlled, but data distribution fails when terminals use different telecom companies' base stations
Solution Approach 1:
The patent makes the proximity detection mechanism universal by using wireless signal detection that works across different telecom companies' networks. The system detects wireless identifiers from any sending terminal regardless of which telecom company's base station is used, enabling data sharing between terminals from different telecom companies while maintaining controlled distribution through the same detection mechanism.
3Device complexity
If wireless identifier transmission is used to estimate proximity, then administrative burden is reduced, but proximity estimation accuracy must be maintained
Solution Approach 1:
The system performs preliminary wireless signal detection and identifier reception before making proximity determination decisions. By detecting the presence and characteristics of wireless identifiers in advance, the system can accurately estimate proximity without requiring complex base station registration, maintaining measurement precision while reducing administrative burden.
Data Source
AI summary
To support information sharing between terminals existing within a short distance from each other while a burden on a server administrator is prevented from increasing or decreased. An information sharing support server includes a server data transmission and reception control unit which recognizes identifiers of sending terminals associated with identifiers of originating terminals (STEP 446, STEP 466), recognizes identifiers of terminals associated with the relevant identifiers of the sending terminals (STEP 448, STEP 450, STEP 468), and transmits data to the relevant terminals (STEP 452, STEP 470).