Communication Controller Database for Mode Matching
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Solution Overview
Problem
Existing communication systems face inefficiencies due to the need for users to recognize and register the communication mode state of connection destinations, leading to potential connection errors and wasteful traffic, especially when device types change frequently.
Innovation Solution
A communication system with a database storing terminal communication mode states and a controller that notifies common modes to the connection source terminal before connecting, allowing users to select desired modes without prior recognition, and restricting connections based on pre-registered settings to minimize wasteful traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the user recognizes and registers the communication mode state of connection destination in advance, then the connection can be optimized, but the user bears a great load and the system becomes complex
Solution Approach 1:
The system performs self-service by automatically acquiring communication mode state information from the connection destination terminal and storing it in a database without requiring user recognition or registration. The communication controller autonomously determines common communication modes and notifies the connection source terminal, eliminating the burden of manual user input while maintaining connection optimization.
Solution Approach 2:
The system performs preliminary action by acquiring and storing communication mode state information in advance before connection requests are made. The database pre-stores this information so that when a connection request arrives, the communication controller can immediately refer to the stored data to determine common modes without requiring real-time user input or recognition.
2Stability of the object's composition
If the system holds old information of connection destination, then the database remains stable, but connection errors occur when device type changes
Solution Approach 1:
The system implements feedback by having the connection destination terminal transmit its current communication mode state information to the communication controller, which updates the database accordingly. This continuous feedback mechanism ensures the database reflects the latest device type and communication mode information, preventing connection errors while maintaining database stability through structured updates.
3Reliability
If the called terminal is connected and communication mode is switched in response, then the connection can be established, but wasteful traffic occurs
Solution Approach 1:
The system performs preliminary action by determining common communication modes in advance before connection establishment. The communication controller refers to pre-stored communication mode state information, identifies modes common to both terminals, and notifies the connection source terminal beforehand. This prevents unnecessary mode switching and connection re-establishment that would generate wasteful traffic.
Solution Approach 2:
The system skips the unnecessary intermediate steps of connection establishment followed by mode switching by directly determining and establishing the optimal communication mode in one action. The communication controller rushes through the connection process by using pre-identified common modes, eliminating the wasteful traffic generated by sequential connection-and-switching operations.
Data Source
AI summary
A communication controller for a communication system associated with a plurality of communication modes is connected to a database storing the communication mode associated state of each terminal, and the communication controller recognizes the communication mode associated states of a connection source and a connection destination by referring to the database, and if multiple communication modes are common to both terminals, notifies the multiple communication modes common to both terminals to the portable telephone terminal of connection source, before connecting to the portable telephone terminal of connection destination, upon receiving a connection request from the connection source to the connection destination. Even if the user of a connection source terminal does not recognize or register in advance the communication mode associated state of a connection destination terminal, the terminals can be connected in a desired communication mode without causing any wasteful traffic.


