Shared CORESET Configuration for Wake-Up Signal Monitoring
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Solution Overview
Problem
Current wireless communication systems face inefficiencies in configuring control resources for wake-up signaling, leading to increased complexity and reduced scheduling flexibility due to separate configurations for wake-up signal monitoring and physical downlink control channel monitoring during active and inactive states.
Innovation Solution
Implementing a shared control resource set (CORESET) configuration with static and dynamic parameters that can be modified based on the state of the user equipment (UE), allowing the same CORESET to be used for both wake-up signal monitoring outside active time and physical downlink control channel monitoring during active time, optimizing resource usage and reducing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate CORESET configurations are used for wake-up signal monitoring and PDCCH monitoring, then monitoring reliability is improved, but device complexity and configuration complexity increase
Solution Approach 1:
The patent combines wake-up signal monitoring and PDCCH monitoring into a single shared CORESET configuration. The UE uses the same CORESET resources for both functions, eliminating the need for separate configuration sets while maintaining monitoring capabilities through unified resource allocation and parameter management.
Solution Approach 2:
The CORESET configuration is designed to serve multiple functions - it can be used for wake-up signal monitoring during inactive states and for PDCCH monitoring during active states. The configuration parameters are made universal to support both monitoring purposes without requiring function-specific customization.
2Measurement precision
If separate CORESET configurations are used for wake-up signal monitoring and PDCCH monitoring, then monitoring precision is improved, but ease of operation deteriorates
Solution Approach 1:
The patent merges the configuration management of wake-up signal monitoring and PDCCH monitoring into a single unified CORESET structure. This consolidation simplifies the operational procedures for the UE, reducing the number of configuration parameters that need to be managed and processed separately while maintaining precise monitoring capabilities through the unified configuration.
3Device complexity
If shared CORESET configuration is used for wake-up signal monitoring and PDCCH monitoring, then device complexity is reduced, but adaptability deteriorates
Solution Approach 1:
The shared CORESET configuration incorporates dynamic parameters that can be adjusted based on the UE's operational state. The configuration allows for state-dependent parameter modifications, enabling the system to adapt between wake-up signal monitoring mode and PDCCH monitoring mode while maintaining a unified configuration structure, thus preserving versatility without increasing complexity.
Solution Approach 2:
The patent employs parameter changes to enable the shared CORESET configuration to adapt to different monitoring requirements. By modifying specific configuration parameters based on whether the UE is in inactive or active state, the system maintains adaptability while using a single unified configuration, avoiding the need for multiple separate configurations.
Data Source
AI summary
Wireless communications systems may employ shared control resource set (CORESET) configurations for control information monitoring by a user equipment (UE) in an inactive state (e.g., for wake-up signal (WUS) monitoring) and for control information monitoring by a UE in an active state (e.g., for physical downlink control channel (PDCCH) monitoring). Further, a shared CORESET configuration may support one or more dynamic or variable configuration parameters, such that a shared CORESET configuration may be partially modified to optimize control information monitoring in different scenarios (e.g., to optimize WUS monitoring and PDCCH monitoring when using a shared CORESET configuration). For example, a CORESET configuration may include one or more static configuration parameters (e.g., a time resource, a frequency resource, a transmission configuration indicator (TCI) state, etc.) and one or more dynamic configuration parameters (e.g., an interleaving pattern, a precoding granularity, a time duration, a scrambling identification, etc.).