Floor Request Handling Using Organization Identifier in Wireless Devices
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Solution Overview
Problem
Current communication systems face challenges in providing reliable and efficient critical communication services, especially for mission-critical scenarios, where existing technologies struggle to ensure seamless communication across varying network coverage areas and multiple group affiliations, leading to complexities in priority handling and user identification.
Innovation Solution
The implementation of a ProSe-based (Proximity Services) system that utilizes UE-to-Network relays and advanced discovery models (Model A and Model B) for MCS (Mission Critical Service) UEs to establish and manage critical communication services, including MCPTT, MCVIDEO, and MCDATA, using SIP-based protocols and IMS registration, enabling efficient communication and priority handling across network boundaries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ProSe-based system with UE-to-Network relays is implemented, then coverage and reliability for out-of-coverage areas is improved, but device complexity increases
Solution Approach 1:
The patent introduces UE-to-Network relays as intermediary devices that bridge the gap between out-of-coverage UEs and the network. These relays receive and forward critical communication data, enabling reliable communication without requiring direct network coverage at all times. The relay mechanism solves the coverage problem while maintaining service reliability.
Solution Approach 2:
The system segments critical communication services into different transmission paths: direct network-connected UEs and relay-assisted out-of-coverage UEs. This segmentation allows the system to handle different communication scenarios independently, improving overall reliability while managing complexity through modular architecture.
2Adaptability or versatility
If multiple group affiliations are supported, then adaptability and versatility are improved, but priority handling complexity increases
Solution Approach 1:
The system pre-assigns priority levels and group identifiers to UEs before communication occurs. Priority handling rules are established in advance, allowing the network to automatically route and manage traffic based on pre-configured parameters without real-time complex decision-making. This reduces runtime complexity while maintaining versatility.
Solution Approach 2:
The patent uses parameter-based identification (group IDs, priority levels, organization identifiers) to manage multiple affiliations. By changing and combining different parameter sets, the system can flexibly support multiple group memberships and priority scenarios without increasing structural complexity. Parameters are modified dynamically to reflect different communication contexts.
3Measurement precision
If organization identifier is included in floor control messages, then measurement precision and user identification accuracy are improved, but loss of time due to message overhead increases
Solution Approach 1:
The organization identifier serves multiple functions simultaneously: it identifies the user's organizational affiliation, determines priority levels, and routes messages appropriately. This multi-functionality reduces the need for separate identification messages, as the organization ID encapsulates multiple pieces of information that would otherwise require separate communication exchanges.
Solution Approach 2:
The patent merges user identification, group affiliation, and priority information into a single organization identifier field within floor control messages. By combining these elements into one parameter, the system achieves precise user identification without the time penalty of multiple separate message exchanges, thus reducing overall message overhead.
Data Source
AI summary
A first off-network wireless device transmits first media traffic to a third off-network wireless device employing a first session. The first off-network wireless device receives a floor request message from a second off-network wireless device. The floor request message comprises an organization field identifier and an organization identifier. The first off-network wireless device determines a call priority based on the organization field identifier and the organization identifier. Transmission of the first media traffic to the third off-network wireless device is terminated based on the call priority. The first off-network wireless device starts transmission of second media traffic to the second off-network wireless device employing a second session.