Data Transmission via Voice Channel Multiplexing
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Solution Overview
Problem
Existing methods for transmitting data through mobile devices via signaling channels are inefficient, as they require dedicated channels and do not effectively utilize existing voice communication channels for dual-purpose data and voice transmission.
Innovation Solution
Encoding data symbol-by-symbol into electrical signals within a specific frequency range, mixing these signals with voice signals using time-division multiplexing, and transmitting them through voice channels, allowing for simultaneous voice and data communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data is transmitted through dedicated signaling channels, then data transmission reliability is improved, but channel resource utilization deteriorates
Solution Approach 1:
The voice channel is designed to serve dual purposes: carrying both voice communication and data transmission simultaneously. By encoding data within the voice frequency spectrum and transmitting it through the existing voice channel infrastructure, the system eliminates the need for separate dedicated signaling channels, thereby improving channel resource utilization while maintaining data transmission capability
Solution Approach 2:
The patent combines voice signals and data signals into a single transmission channel. Data is encoded into electrical signals within the voice frequency range (300-3400 Hz) and mixed with voice signals, allowing both types of information to be transmitted together through the same voice channel, thus merging two functions into one channel
2Reliability
If separate channels are used for voice and data transmission, then transmission quality is improved, but system complexity deteriorates
Solution Approach 1:
The system merges voice and data transmission into a single channel, reducing the number of separate channels and associated processing equipment needed. By encoding data within the voice frequency spectrum and transmitting both signals together, the system simplifies the overall architecture while maintaining transmission quality through proper signal encoding and mixing techniques
3Productivity
If data is transmitted during idle signaling periods, then data transmission efficiency is improved, but channel availability deteriorates
Solution Approach 1:
The patent enables continuous data transmission by encoding data within the voice frequency spectrum and transmitting it simultaneously with voice signals throughout the entire duration of a voice call. This eliminates the need to wait for idle signaling periods, as data can be transmitted continuously alongside voice communication, thereby improving both transmission efficiency and channel availability
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient and simultaneous transmission of data and voice communication over existing voice channels, enhancing data transfer capabilities without the need for additional channels.
Implementation Method 1
mixing, by the first device, the first electrical signal with a second electrical signal corresponding to captured voices
Implementation Method 2
encoding data, by a first device, symbol-by-symbol into a first electrical signal of frequencies in a specific range
Data Source
AI summary
Aspects of the disclosure provide a method for transmitting data. The method includes encoding data, by a first device, symbol-by-symbol into a first electrical signal of frequencies in a specific range, mixing, by the first device, the first electrical signal with a second electrical signal corresponding to captured voices, and transmitting, by the first device, the mixed electrical signal to a second device via a channel being configured for transmitting the captured voices.