Paging Request Handling via Service Class Indicators
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wireless communication systems lack the ability to make informed decisions about issuing paging requests, leading to inefficiencies such as idle to active transitions during network overloads and excessive resource usage, without considering priority, service, or application-specific demands.
Innovation Solution
Implementing a method for priority, service, or application-based handling of paging requests in wireless communication networks, where devices and network nodes can receive and process information related to priority levels and service types, deciding whether to accept or ignore paging requests based on associated SCI information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If paging requests are sent to idle devices regardless of network conditions, then all devices can be reached reliably, but network resources are wasted during overloads and idle to active transitions increase unnecessarily
Solution Approach 1:
The patent introduces Service Class Indicators (SCI) as a new parameter in paging requests to classify different types of traffic. The MME uses these SCI values to dynamically adjust paging behavior - sending paging requests for high-priority services even during overload, while suppressing paging for low-priority services. This parameter-based differentiation resolves the contradiction by allowing selective paging that maintains reliability for critical services while reducing overall resource consumption.
2Reliability
If the network pages all idle devices during overloads, then no service requests are lost, but the overload condition worsens due to increased idle to active transitions
Solution Approach 1:
The patent applies local quality by treating different service classes differently within the same paging system. High-priority services (e.g., emergency calls, critical data) receive full paging treatment with guaranteed delivery, while low-priority services (e.g., background data synchronization) have paging suppressed or delayed. The MME makes localized decisions for each service class based on SCI values, allowing the network to maintain throughput during overload by selectively paging only the most important services.
3Loss of energy
If the network suppresses paging requests during overloads, then resource consumption decreases, but some service requests may be lost or delayed
Solution Approach 1:
The patent segments the paging system into multiple priority levels using Service Class Indicators. Instead of treating all paging requests uniformly, the system divides them into high-priority and low-priority segments. During overload conditions, the MME segments paging decisions by suppressing low-priority paging while maintaining high-priority paging. This segmentation allows the network to reduce overall resource consumption while preserving reliable delivery for critical services.
4Ease of operation
If the system uses traditional paging without service differentiation, then the system is simple to operate, but flexibility for mobility and session management on a per-application basis is lost
Solution Approach 1:
The patent implements universality by making the existing paging infrastructure multi-functional. The same paging mechanism handles both traditional connectivity paging and service-specific paging decisions. The Service Class Indicator field in existing paging messages enables the system to perform multiple functions - maintaining backward compatibility for simple operations while adding per-application flexibility for advanced services. This allows the system to operate simply when needed while providing sophisticated per-service control when required.
Data Source
AI summary
Example embodiments presented herein are directed towards a device, mobility management node and/or a serving gateway, and corresponding methods there, for providing application, service or priority based paging. According to some of the example embodiments, the decision whether or not to issue or accept a paging request may be made based on a priority, application or service (or type of service) associated with the paging request.