UE Connection Interval Timing for Data Uptime During Voice Outages
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Solution Overview
Problem
Existing UE systems disconnect from a PLMN when certain services, like voice services, become unavailable, leading to continuous disruptions in data services despite their availability, as they are hard-coded to switch networks based on service unavailability.
Innovation Solution
Implementing dynamic connection interval values that allow UEs to remain connected to a core network for optimized data service uptime by adjusting connection intervals based on service availability, obtained from external entities rather than relying on static values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If UE is hard-coded to disconnect from PLMN when voice services are unavailable, then UE can attempt to connect to other networks that may provide voice services, but data services experience continuous disruptions even when available
Solution Approach 1:
The patent applies dynamics by transitioning from static hard-coded disconnection logic to dynamic connection interval adjustment. The UE now adapts its connection behavior based on real-time service availability conditions, modifying the disconnection timing dynamically rather than following fixed predetermined intervals. This allows the system to optimize between voice service reliability and data service continuity based on current network conditions.
Solution Approach 2:
The patent implements parameter changes by modifying the connection interval parameter based on service availability. Instead of using fixed predetermined time intervals for disconnection attempts, the system adjusts the connection interval parameter dynamically according to whether voice services are available or unavailable, thereby changing the operational parameters to resolve the contradiction between voice service reliability and data service continuity.
2Productivity
If UE remains connected to core network for predetermined period before disconnecting, then data services can continue during the interval, but voice service unavailability persists without timely network switching
Solution Approach 1:
The system dynamically adjusts the connection interval parameter based on service availability conditions. When voice services are unavailable, the UE can modify the predetermined time interval before disconnection, balancing data service continuity with the need to switch networks timely. This dynamic adjustment resolves the contradiction by allowing flexible timing rather than rigid predetermined intervals.
Solution Approach 2:
The patent applies preliminary action by having the UE monitor service availability and prepare for potential network switching before the predetermined disconnection interval expires. The system can initiate preliminary actions such as scanning for alternative networks or preparing connection parameters during the connection interval, reducing the effective time loss when switching to alternative networks while maintaining data service uptime.
3Reliability
If UE continuously switches networks when services are unavailable, then service availability may be improved, but connection stability and service disruption increase
Solution Approach 1:
The patent resolves this contradiction through dynamic connection interval adjustment. Instead of continuous switching when services are unavailable, the UE adapts the disconnection interval based on service availability conditions, creating a balanced approach that maintains connection stability while improving service availability. The dynamic parameter adjustment prevents excessive switching while ensuring timely network changes when necessary.
Data Source
AI summary
Techniques are described herein for optimizing data service uptime when one or more network services are unavailable as implemented on user equipment (UE). Such techniques may comprise determining, by the UE, that at least one service is inaccessible over a first network, receiving, from a separate computing device, a connection interval value representing a time period for switching from the first network, and using one or more data services accessible over the first network during the time period. The techniques may further comprise disconnecting, by the UE, from the first network once the time period has elapsed and connecting to a second network different from the first network.