Secondary Data Transmission in Group Communication Channels
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Solution Overview
Problem
Existing wireless communication systems face challenges in transmitting secondary data within a communication channel established for group communications without compromising the quality of voice transmission or requiring additional channels, which can impair device functionality and increase costs.
Innovation Solution
A system and method that allow wireless communication devices to transmit secondary data within the same communication channel as voice data by reducing the data size of voice communication to accommodate secondary data transmission, utilizing a group-communication server to manage and prioritize both types of data, ensuring efficient use of limited bandwidth without interfering with existing channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the full bandwidth of the communication channel is utilized to transmit voice data packets to ensure high fidelity transmission, then voice transmission quality is improved, but the ability to transmit secondary data in the same channel deteriorates
Solution Approach 1:
The system dynamically adjusts the allocation of communication channel bandwidth between voice data and secondary data based on current transmission needs. The device can flexibly modulate the portion of bandwidth dedicated to voice packets versus secondary data packets, allowing adaptive optimization of both voice quality and secondary data transmission capability within the same channel
Solution Approach 2:
The invention changes the data packet size parameter of voice communication to create available bandwidth capacity for secondary data transmission. By reducing voice packet sizes from their original larger format to smaller compressed formats, the system frees up bandwidth resources that can then be utilized for transmitting secondary data in the same communication channel
2Adaptability or versatility
If a separate communication channel is opened for additional data transmission, then data transmission capability is improved, but device cost and channel complexity deteriorate
Solution Approach 1:
The invention merges the transmission of voice data and secondary data into a single communication channel. Instead of maintaining separate channels for voice and data, the system combines both data types into one unified channel, transmitting them together using multiplexing techniques. This reduces channel complexity and eliminates the need for additional separate communication paths
Solution Approach 2:
The communication channel is designed to serve multiple functions simultaneously - it can transmit both voice data packets and secondary data packets. The same channel infrastructure is made universal to handle different types of data transmissions, eliminating the need for dedicated separate channels and reducing overall system complexity
3Adaptability or versatility
If existing channels such as signaling and control channels are utilized for additional data, then data transmission is enabled, but the functionality and integrity of the original channels deteriorate
Solution Approach 1:
The invention introduces a new dedicated data channel that acts as an intermediary for secondary data transmission. This new channel is specifically designed to carry additional data without interfering with the existing signaling and control channels. The intermediary channel isolates data transmission functions from control functions, preventing any degradation of the original channels' reliability and functionality
Data Source
AI summary
A system, method, and wireless communication device that allow the transmission of secondary data in a group-communication data stream between wireless communication devices across a wireless communication network. The wireless communication device selectively transmits at least group-directed voice communication data to other members of a communication group, such as a push-to-talk (PTT) group, in a communication channel having a limited bandwidth thereof, and can selectively transmit secondary data in the same communication channel. A group-communication server preferably receives the voice communication data and secondary data and selectively transmits at least the voice communication data to other member wireless communication devices of the communication group. In one embodiment, the wireless communication device reduces the data size of the voice communication data to a second data size that is less than the bandwidth of the communication channel such that secondary data can be transmitted within the communication channel.