IoT Paging Optimization via Context-Aware MME Segmentation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Legacy paging methods in LTE networks are inadequate for IoT devices due to their unique characteristics and service requirements, leading to inefficient resource utilization and potential signaling storms, which can impact control plane stability and legacy services.
Innovation Solution
An enhanced paging workflow that considers real-time contextual data and historical mobility management behaviors of IoT devices, using a composite view and dynamic mapping functions within the MME to optimize paging policies and procedures, thereby adapting to the specific operational modes and service needs of IoT devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If legacy paging methods in LTE networks are used for IoT devices, then the paging procedure can be implemented with standard protocols, but resource utilization becomes inefficient and signaling storms occur impacting control plane stability
Solution Approach 1:
The patent segments the paging procedure into distinct phases: determining whether the UE is in eDRX or PSM mode, selecting appropriate paging parameters based on the operational mode, and executing differentiated paging strategies. This segmentation allows the system to apply optimized paging methods for each IoT device mode, improving resource utilization while maintaining control plane stability
Solution Approach 2:
The patent implements dynamic adaptation of paging parameters based on real-time UE operational state. The MME dynamically determines whether to use eDRX cycle parameters or PSM active timer parameters based on the current UE mode, and adjusts paging timing and frequency accordingly. This dynamic approach prevents signaling storms by adapting to device state changes
2Adaptability or versatility
If standard LTE paging procedures are applied to IoT devices, then implementation simplicity is maintained, but service requirements specific to IoT devices are not met
Solution Approach 1:
The patent performs preliminary determination of UE operational mode (eDRX or PSM) before executing the paging procedure. The MME pre-configures appropriate paging parameters based on the determined mode, and prepares the paging strategy in advance. This preliminary action simplifies the actual paging execution while ensuring IoT-specific service requirements are met
Solution Approach 2:
The patent introduces an intermediary decision-making layer in the MME that mediates between standard LTE paging protocols and IoT-specific requirements. This intermediary component evaluates UE mode, selects appropriate parameters, and adapts the paging procedure accordingly, bridging the gap between standard protocols and specialized IoT needs without requiring complex device-side modifications
3Reliability
If paging attempts are increased to ensure delivery to IoT devices, then delivery reliability improves, but signaling storms occur impacting network efficiency
Solution Approach 1:
The patent implements periodic paging attempts synchronized with IoT device operational cycles. For eDRX devices, paging occurs at eDRX cycle boundaries; for PSM devices, paging occurs after active timer expiration. This periodic approach ensures reliable delivery while preventing signaling storms by spacing attempts appropriately according to device wake-up patterns
Solution Approach 2:
The patent changes paging parameters dynamically based on UE operational mode. Different paging time windows, repetition factors, and timing offsets are applied for eDRX versus PSM devices. These parameter changes optimize delivery reliability for each mode while controlling signaling load, preventing network efficiency degradation
Data Source
AI summary
Facilitating device contexts, operational modes, and policy driven enhancements for paging in advanced networks (e.g., 4G, 5G, 6G, and beyond) is provided herein. Operations of a network device can comprise analyzing a group of contextual data for a user equipment device, and mobility management behaviors historically implemented for the user equipment device and based on an indication that a page request is scheduled to be sent to the user equipment device. The operations can also comprise configuring a paging message for the user equipment device based on the contextual data and the mobility management behaviors. Further, the operations can comprise sending the paging message to the user equipment device.