Cellular Phone Intercom Switching via Base Station Codes
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Solution Overview
Problem
Current cellular phone communication methods are expensive due to reliance on paid telephone calls, even for short-distance communications where free intercom functions are available but often overlooked.
Innovation Solution
A method that allows cellular phones to automatically detect proximity and switch between telephone and intercom communications by dialing an intercom number associated with a telephone number, utilizing base station identification codes to determine if within an intercom communication area, thereby enabling free wireless intercom communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users dial telephone numbers for communication between cellular phones, then communication can be established, but communication fees increase significantly
Solution Approach 1:
The system performs preliminary detection of proximity between the calling and called parties before establishing the communication channel. By detecting base station identification codes in advance, the system determines whether intercom communication is available, preventing unnecessary expensive telephone calls from being initiated.
Solution Approach 2:
The communication system dynamically switches between telephone communication and intercom communication modes based on real-time proximity detection. The system continuously monitors base station codes and automatically transitions to the free intercom mode when both parties are within the same intercom area, optimizing cost efficiency.
2Loss of energy
If users utilize intercom communication function, then communication fee decreases, but the function is often overlooked and not used
Solution Approach 1:
The system provides automatic intercom communication without requiring user awareness or manual selection. The mobile station automatically detects proximity through base station code comparison and initiates intercom communication autonomously, making the free function work itself without user intervention.
Solution Approach 2:
The system implements automatic feedback mechanisms where the mobile station continuously monitors base station identification codes and uses this information to determine the appropriate communication mode. This feedback loop ensures that intercom communication is automatically selected when conditions are favorable.
3Loss of energy
If the system automatically detects proximity and switches communication modes, then communication cost reduces, but system complexity increases
Solution Approach 1:
The system uses the existing base station identification code infrastructure for dual purposes: normal network location identification and proximity detection for intercom communication. This multi-functional use of existing data eliminates the need for separate detection hardware or protocols, reducing overall system complexity.
Data Source
AI summary
A method for a communication between two cellular phones is provided, in which the communication between the cellular phones includes an intercom communication and a telephone communication. The method includes steps of providing a telephone number of one cellular phone and an intercom number associated with the telephone number in the other cellular phone, dialing the telephone number of the one cellular phone by the other cellular phone to activate a calling to the intercom number associated with the telephone number, determining whether the cellular phones are within an intercom communication area, and performing the intercom communication therebetween while the cellular phones are within an intercom communication area, or performing the telephone communication therebetween while the cellular phones are without an intercom communication area.