Network Device Suspension Notification for LTE Voice Offload
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In the 3GPP LTE era, network devices waste scheduling resources and detect incorrect measurement quantities when 1T2R terminal devices periodically or aperiodically leave the LTE network to handle voice services on another communication standard, leading to inefficiencies and measurement inaccuracies.
Innovation Solution
A communication method where network devices receive suspension notification messages from terminal devices to suspend sending scheduling information and detecting measurement information, allowing for flexible periodic or aperiodic suspension based on the terminal device's leaving manner, thereby conserving resources and preventing incorrect measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the network device continues to send scheduling information and detect measurement information when the terminal device leaves the network, then the terminal device can maintain network connectivity, but scheduling resources are wasted and measurement accuracy deteriorates
Solution Approach 1:
The terminal device sends a suspension notification message to the network device before leaving the network to handle voice services. This preliminary action allows the network device to proactively suspend scheduling information transmission and measurement information detection, avoiding waste of scheduling resources while maintaining network connectivity when the terminal returns
Solution Approach 2:
The network device dynamically adjusts its operation based on the terminal device's state. When receiving the suspension notification, the network device transitions from active scheduling and detection to suspended state, and can resume when the terminal returns, making the system adaptive to terminal mobility patterns
2Ease of operation
If the network device continues to detect measurement information when the terminal device leaves the network, then the terminal device can rejoin the network smoothly, but the network device detects incorrect measurement quantities leading to measurement accuracy deterioration
Solution Approach 1:
The terminal device notifies the network device in advance before leaving, allowing the network device to suspend measurement information detection. This prevents the network device from detecting incorrect measurement quantities during the terminal's absence, ensuring measurement accuracy is maintained when the terminal returns and needs to rejoin the network
3Productivity
If the network device suspends sending scheduling information and detecting measurement information when the terminal device leaves, then scheduling resources are saved and measurement accuracy is improved, but the terminal device may experience service interruption
Solution Approach 1:
The terminal device sends a suspension notification message before leaving the network, allowing the network device to proactively suspend scheduling information transmission. This ensures service continuity is maintained during the suspension period, while scheduling resources are saved by avoiding unnecessary transmissions when the terminal is absent
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention provides a communication method, a network device, and a terminal device. The communication method includes: receiving, by a network device of a first communications standard, a suspension notification message sent by a terminal device, where the suspension notification message is used to notify that the terminal device is to leave a network of the first communications standard to listen to a network of a second communications standard, the network of the first communications standard carries data services, and the network of the second communications standard carries voice services; and suspending, by the network device according to the suspension notification message, sending scheduling information to the terminal device, and suspending detecting measurement information sent by the terminal device. The communication method, the network device, and the terminal device that are provided in the present invention can be used to save scheduling resources and avoid detection of an incorrect measurement quantity.