Dynamic Handover Criteria for Latency Control
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Solution Overview
Problem
Existing approaches for latency control in wireless communication scenarios do not effectively manage latency requirements for services that are neither easily accommodated nor impossible to accommodate by the internal latency performance of the communication network, leading to suboptimal performance for latency-sensitive services.
Innovation Solution
A method for dynamically adjusting handover criteria for user devices associated with services that have a bounded deviation between their latency requirements and the internal latency performance of the communication network, including adjusting handover probabilities, measurement configurations, and decision criteria to reduce unnecessary handovers and improve latency predictability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing latency control approaches are applied, then general network operation is maintained, but latency requirements for services with bounded deviation cannot be effectively managed
Solution Approach 1:
The patent applies local quality by implementing service-specific handover criteria tailored to different service types. Latency-sensitive services receive customized handover parameters (such as reduced handover thresholds or modified measurement configurations) while other services continue with standard criteria, allowing differentiated latency management without affecting overall network operation
Solution Approach 2:
The patent implements dynamics by dynamically adjusting handover criteria based on service type and current network conditions. The network node modifies handover parameters in real-time for latency-sensitive services when latency requirements are not met, transitioning from static to adaptive control to improve latency management effectiveness
2Reliability
If handover criteria are adjusted to reduce handovers, then latency variance decreases, but service adaptability may be reduced
Solution Approach 1:
The patent segments handover control into service-specific categories, creating distinct handover criteria for latency-sensitive services versus other services. This segmentation allows optimized handover behavior for specific service types while maintaining standard handover flexibility for others, resolving the contradiction between reduced handovers and service adaptability
3Reliability
If dynamic handover adjustment is implemented for all user devices, then latency control improves, but network complexity increases
Solution Approach 1:
The patent applies local quality by restricting dynamic handover adjustment to only latency-sensitive services rather than all user devices. The network node identifies service type and applies customized handover control only where needed, reducing overall network complexity while maintaining improved latency control for critical services
Data Source
AI summary
A method for latency control in a communication network is disclosed. The method includes identifying that a service is currently associated with a user device associated with the communication network, wherein a deviation between a latency requirement of the service and an internal latency performance of the communication network is bounded, and dynamically adjusting one or more handover criteria for the user device associated with the service. In some embodiments, the dynamic adjustment is performed only for user devices associated with services with bounded deviation between the latency requirement of the service and the internal latency performance of the communication network.