Terminal Device Idle State Measurement Configuration
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Solution Overview
Problem
In the context of early measurement for secondary cell (SCell)/secondary cell group (SCG) configuration in mobile communication systems, there is a challenge in avoiding measurements on sleeper cells, which are cells with longer synchronization signal block (SSB) measurement timing configurations, as these cells are not required for immediate measurement or reporting, leading to inefficiencies in network configuration and resource utilization.
Innovation Solution
The proposed solution involves a measurement configuration that includes first and second indication information, where the first indication information identifies cells that do not need measurement or reporting, and the second indication information identifies cells that require measurement or reporting. This configuration is sent by the network device to the terminal device, allowing it to perform measurements and report results only when necessary, specifically excluding sleeper cells by using a black list (first PCI list) and including cells for measurement/reporting using a white list (second PCI list).
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the terminal device performs measurement on all cells including sleeper cells, then the measurement coverage is complete, but the resource usage and power consumption increase unnecessarily
Solution Approach 1:
The patent segments the cell set into two categories: sleeper cells (first PCI list) and non-sleeper cells (second PCI list). The terminal device performs measurements only on non-sleeper cells, excluding sleeper cells from the measurement process. This segmentation resolves the contradiction by maintaining measurement coverage for relevant cells while eliminating unnecessary measurements on sleeper cells, thereby reducing power consumption without compromising essential measurement reliability.
2Reliability
If the terminal device performs measurement on all cells including sleeper cells, then the measurement coverage is complete, but the network configuration efficiency decreases
Solution Approach 1:
The patent divides cells into sleeper cells (first PCI list) and non-sleeper cells (second PCI list), directing the terminal device to measure only non-sleeper cells. This segmentation improves network configuration efficiency by preventing wasted measurement resources on cells that will not be immediately activated, while still maintaining complete measurement coverage for all potentially relevant cells through the dual-list mechanism.
3Loss of information
If the terminal device measures and reports on all cells, then the network obtains complete measurement information, but the signaling overhead and processing complexity increase
Solution Approach 1:
The patent segments measurement targets into sleeper cells (first PCI list) and non-sleeper cells (second PCI list). The terminal device measures and reports only on non-sleeper cells, reducing signaling overhead and processing complexity. The network maintains complete measurement information for decision-making by receiving reports on the subset of relevant cells, while the segmentation prevents unnecessary processing of sleeper cell measurements.
4Speed
If the terminal device performs early measurement on all cells, then the SCell/SCG configuration can be quickly established, but unnecessary measurements on sleeper cells waste time and resources
Solution Approach 1:
The patent segments cells into sleeper cells (first PCI list) and non-sleeper cells (second PCI list), directing early measurement efforts only toward non-sleeper cells. This segmentation accelerates SCell/SCG configuration by eliminating time-wasting measurements on sleeper cells that will not be immediately activated, while maintaining configuration speed through focused measurement on relevant cells.
Data Source
AI summary
A measurement method, comprising: the terminal device receiving a first measurement configuration sent by a first network device, wherein the first measurement configuration is a measurement configuration for an idle state or an inactive state; performing, on the basis of the first measurement configuration, measurement in the idle state or the inactive state; and reporting a measurement result to the first network device or a second network device after entering a connected state, wherein the first measurement configuration carries first indication information and/or second indication information, the first indication information being used for indicating a cell that does not need to be measured by the terminal device and/or a cell that does not need to report a measurement result, and the second indication information being used for indicating a cell that needs to be measured by the terminal device and/or a cell that needs to report a measurement result.