Paging Policy Differentiation in LTE Networks
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Solution Overview
Problem
Current paging systems in LTE networks lack the ability to differentiate and prioritize incoming paging messages based on service types, leading to inefficient resource allocation and reduced user data rates during peak traffic or congestion.
Innovation Solution
A radio network node that receives a paging message and determines its priority, allowing for intelligent decision-making to apply different policies for each message, such as delaying or discarding low-priority messages, thereby reducing the impact of high paging loads on user data rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If paging messages are transmitted without priority differentiation, then all user equipment are treated equally, but resource allocation becomes inefficient and user data rates decrease during peak traffic
Solution Approach 1:
The patent applies local quality by differentiating paging message handling based on service type and priority level. Different paging messages (e.g., voice calls vs. non-critical notifications) are treated differently with distinct transmission policies, allowing efficient resource allocation during peak traffic while maintaining network management complexity within acceptable limits.
2Reliability
If high-priority paging messages are transmitted immediately, then user data rates are maintained, but low-priority paging messages may be delayed or discarded
Solution Approach 1:
The patent implements partial action by selectively transmitting only the most critical paging messages during peak congestion periods. High-priority messages (such as voice calls) are transmitted immediately, while low-priority messages may be delayed or discarded. This approach guarantees reliable delivery of critical services while accepting that non-critical information may be lost under extreme network conditions.
3Speed
If paging transmission traffic is reduced, then user data rates increase, but paging reliability may decrease
Solution Approach 1:
The patent applies parameter changes by modifying paging transmission parameters based on network conditions and message priority. During peak traffic, the system adjusts transmission parameters to prioritize high-priority messages and reduce overall paging traffic, thereby increasing user data rates while maintaining acceptable paging reliability for critical services through adaptive parameter modification.
Data Source
AI summary
A method in an eNodeB, a radio network controller, or a base station controller for handling paging of a first user equipment being in idle mode is provided. The base station is comprised in a communication system. The base station obtains (301) an indication from a mobility management entity or from a serving GPRS support node within the communication system. The indication indicates a type of downlink data to be transmitted to the first user equipment. After the base station has determined (302) a paging policy based on the obtained indication of type, it sends (303) a paging message to the user equipment according to the determined paging policy. The paging message notifies the first user equipment that there is downlink data to be transmitted to the first user equipment.