Terminal Device Multicast Warning Notification Resource Allocation
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently and reliably transmitting warning notification messages containing non-textual content, such as audio, images, or control instructions, due to data size limitations in existing methods like System Information Blocks, which do not have enough capacity for these formats.
Innovation Solution
The use of multicast transmission techniques like MBMS or SC-PTM allows for the efficient and reliable transmission of warning notification messages with larger data amounts by determining communication resources through scheduling information within System Information Blocks, enabling the transmission of diverse content types to various groups of terminal devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If System Information Blocks are used for transmitting warning notification messages, then transmission reliability is improved, but data capacity is insufficient for non-textual content
Solution Approach 1:
The warning notification message transmission is divided into two parts: scheduling information transmitted via System Information Blocks (providing reliable control plane delivery) and actual message content transmitted via dedicated communication resources (providing sufficient data capacity). This segmentation allows the system to leverage both the reliability of SIBs and the capacity of dedicated resources.
Solution Approach 2:
The patent introduces scheduling information as an intermediary that bridges the control plane (SIBs) and data plane (dedicated resources). The scheduling information contains resource allocation details that enable terminal devices to receive warnings through appropriate channels based on message type and urgency, thus resolving the capacity limitation while maintaining reliability.
2Quantity of substance
If dedicated communication resources are used for warning transmission, then data capacity is improved, but network congestion increases
Solution Approach 1:
The system dynamically allocates dedicated communication resources based on warning message requirements and network conditions. Not all terminal devices receive warnings through dedicated resources simultaneously - instead, resources are allocated selectively based on scheduling information, allowing the network to maintain efficiency while providing sufficient capacity when needed.
Solution Approach 2:
The patent changes the parameter of resource allocation from static (always using SIBs) to dynamic (switching between SIBs and dedicated resources based on message type, urgency, and network conditions). This allows the system to optimize between capacity and efficiency by selecting the appropriate transmission channel for each warning message.
3Productivity
If multicast transmission is used for warning messages, then resource efficiency is improved, but targeting specific terminal groups becomes more complex
Solution Approach 1:
The system performs preliminary action by pre-configuring scheduling information that contains resource allocation details before actual warning transmission. Terminal devices can pre-process this scheduling information to determine which dedicated resources to monitor, reducing the complexity of real-time resource management while maintaining efficient multicast transmission capabilities.
Data Source
AI summary
A terminal device for use in a wireless telecommunications network, the terminal device comprising receiver circuitry and control circuitry, wherein the control circuitry is configured to: control the receiver circuitry to receive a first signal indicating that a warning notification message is to be transmitted by infrastructure equipment of the network using a multicast or broadcast transmission; in response to the reception of the first signal, control the receiver circuitry to receive a second signal transmitted by infrastructure equipment of the network using predetermined communication resources, the second signal comprising information for the terminal device to use to determine communication resources for the multicast or broadcast transmission of the warning notification message; determine the communication resources for the multicast or broadcast transmission of the warning notification message using the information comprised in the second signal; control the receiver circuitry to receive the warning notification message using the determined communication resources.