Paging Delay Control Using Terminal Busy Indication
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Solution Overview
Problem
In current paging mechanisms, terminals may fail to send schedule requests due to reasons other than being out of network coverage, leading to prolonged delays in communication, especially when one SIM card is engaged in a communication process and cannot send requests while receiving a paging signal, causing the core network to stop paging prematurely.
Innovation Solution
A method and apparatus for delaying the determination process of stopping paging by introducing busy instruction information from the terminal to the core network, using timers to manage paging signals, and allowing terminals to send requests when not busy, thereby maintaining communication continuity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the core network stops paging the terminal upon timer expiration without receiving a schedule request, then the network resource is saved, but the terminal communication is delayed when the terminal is busy with another SIM card
Solution Approach 1:
The terminal sends busy indication information to the core network in advance before the timer expires, notifying the network that it is currently busy and cannot send a schedule request. This preliminary notification prevents the network from stopping paging prematurely, ensuring continuous paging service while the terminal handles the busy state caused by another SIM card communication.
2Speed
If the terminal sends a schedule request immediately upon receiving paging signaling, then the communication response is fast, but it affects the communication operation of another SIM card
Solution Approach 1:
The terminal performs preliminary detection to determine whether it is in a busy state before sending a schedule request. If the terminal is busy with another SIM card communication, it sends busy indication information to the network in advance and delays the schedule request until the busy state ends, ensuring that the schedule request does not interfere with ongoing communications of other SIM cards.
3Loss of time
If the core network continues paging the terminal without stopping, then the terminal can send schedule requests timely, but network resources are wasted
Solution Approach 1:
The terminal provides feedback to the core network through busy indication information, informing the network of its current state. Based on this feedback, the network dynamically adjusts the paging behavior - continuing to page when the terminal is busy but can provide feedback, and stopping paging when the terminal is unavailable or out of coverage, thus optimizing resource usage while ensuring timely communication.
Data Source
AI summary
A delay determination method includes: in response to receiving busy instruction information from a terminal, delaying a determination process of stopping paging the terminal.