Mobile Device PTT Buffering for Network Burden Reduction
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Solution Overview
Problem
Current Push-To-Talk (PTT) communication systems experience delays in mobile devices due to network setup processes, leading to inconvenience for users, and existing buffering techniques primarily focus on network-side solutions, which can overwhelm networks, especially during high-bandwidth communications, reducing network capacity and requiring additional infrastructure investments.
Innovation Solution
A mobile communication device with processors and a wireless transceiver that sends a mobile device indication message to a PTT service entity to determine if buffering is supported, and based on network instructions, uses a buffer memory for PTT communications, allowing immediate data queuing and transmission without waiting for network setup completion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If network-side buffering is used to eliminate PTT communication delays, then user communication delay is reduced, but network burden increases and network capacity decreases
Solution Approach 1:
The patent extracts the buffering function from the network side and relocates it to the mobile device side. The mobile device independently buffers voice packets and control messages without requiring network buffering resources, thereby eliminating communication delays while reducing network burden.
Solution Approach 2:
The mobile device serves itself by implementing local buffering capabilities. The device autonomously manages its own communication delay issues through on-device buffering of voice packets and control messages, without relying on network-side buffering services.
2Speed
If network-side buffering is implemented to eliminate PTT delays, then communication responsiveness is improved, but infrastructure investment requirements increase
Solution Approach 1:
The buffering functionality is extracted from network infrastructure and transferred to mobile devices. This eliminates the need for additional network buffering infrastructure while achieving the same communication responsiveness improvement.
Solution Approach 2:
The patent uses the mobile device's existing memory resources for buffering purposes, rather than deploying expensive dedicated network buffering infrastructure. This leverages readily available, low-cost resources already present in each device.
3Productivity
If mobile devices implement local buffering, then network capacity is maintained, but device complexity increases
Solution Approach 1:
The mobile device's existing memory and processing resources are repurposed for buffering functionality. The same device components that handle normal operations are also used for buffering voice packets and control messages, avoiding the need for dedicated buffering hardware.
Solution Approach 2:
The buffering function is merged with the device's existing communication processing architecture. The buffer management is integrated into the normal voice communication flow, combining multiple functions into unified device operations.
Data Source
AI summary
In one illustrative example, a technique in a mobile communication device which is operative in a wireless communication network for Push-To-Talk (PTT) communications involves receiving, at the mobile communication device, presence information associated with at least one other mobile communication device, the presence information including at least one of a current availability indication or capability indication; and buffering a PTT communication prior to its transmission from the mobile communication device based on the presence information. The current availability or capability indication may be an automatic answering indication or a media capability indication, as examples.