MCPTT Remote Ambient Call Location Sharing via Floor Control
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Solution Overview
Problem
Existing MCPTT systems lack a standardized method for sharing location information of a listened-to user with a listening user in remote ambient calls, leading to interoperability issues among different service providers.
Innovation Solution
A method and system for sharing location information in remote ambient calls using a standard procedure involving a floor grant message with a mandatory acknowledgment required indication and a location field, allowing the listened-to user's location to be shared with the listening user, with options to omit the location field if not allowed by the user's profile.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If location information is shared during remote ambient calls, then interoperability and service quality are improved, but system complexity and privacy management burden increase
Solution Approach 1:
The patent segments the location sharing process into distinct phases: floor grant request, floor grant acknowledgment, and floor taken confirmation. Each phase handles specific location information exchange tasks, preventing overwhelming complexity while ensuring reliable interoperability across different MCPTT systems.
Solution Approach 2:
The patent implements preliminary actions by establishing floor control mechanisms and permission checks before actual location information is shared. The floor grant message prepares the system by indicating whether location sharing is permitted, and the floor taken message finalizes the exchange, ensuring structured and manageable complexity.
2Loss of information
If location information is shared during remote ambient calls, then service quality and user awareness are improved, but privacy security and user control requirements increase
Solution Approach 1:
The patent implements feedback mechanisms where the listened-to user's profile controls whether location information is included in floor control messages. The system continuously checks permission settings and adjusts information sharing accordingly, ensuring privacy security while enabling location sharing when authorized.
Solution Approach 2:
The floor control server acts as an intermediary that mediates location information exchange between users. It enforces permission checks based on user profiles and controls the inclusion of location data in messages, balancing information sharing needs with privacy security requirements.
3Reliability
If standardized location sharing procedure is implemented, then interoperability among service providers is improved, but implementation complexity and protocol overhead increase
Solution Approach 1:
The patent makes existing floor control messages multi-functional by adding location information fields to standard MCPTT floor grant and floor taken messages. This universal approach enables location sharing across different service providers without creating entirely new protocols, maintaining interoperability while managing implementation complexity.
Solution Approach 2:
The patent implements partial action by optionally including location information in floor control messages based on user profile permissions. Not all messages contain location data - only those where permission is granted - reducing protocol overhead while establishing a standardized procedure for when location sharing is appropriate.
Data Source
AI summary
The method includes determining that the remote ambient call is established between an MCPTT first electronic device (100) and an MCPTT second electronic device (200) and sending a floor grant message to the MCPTT second electronic device (200) wherein the floor grant message includes mandatory acknowledgment required indication set for the MCPTT second electronic device (200) to share the location information of the MCPTT second electronic device (200) with the MCPTT first electronic device (100) by an MCPTT server (300). Further, the method includes receiving a floor grant acknowledgement message with the location information of the MCPTT second electronic device (200) and sharing the location information of the MCPTT second electronic device (200) with the MCPTT first electronic device (100) in the remote ambient call of the MCPTT service using a floor taken message by the MCPTT server (300).