Adaptive Paging Area Assignment for Mobile Network Energy Efficiency
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Solution Overview
Problem
Current mobile communication networks face inefficiencies in mobility management, particularly in idle mode, where user equipment location tracking is cumbersome and static, leading to increased battery drain and network resource usage, and are unable to adapt to individual user mobility patterns.
Innovation Solution
Implementing a dynamic and user-specific paging area assignment system where each user equipment is assigned a set of radio cells that can be adjusted based on mobility needs and speed, allowing for flexible and adaptive mobility management, reducing network planning efforts and enhancing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If user equipment remains in idle mode for extended periods to conserve battery, then energy consumption is reduced, but the network loses tracking precision of user location
Solution Approach 1:
The patent applies dynamics by making the paging area size adaptive rather than static. The network dynamically adjusts the paging area based on user mobility patterns, allowing the system to optimize between battery conservation and location tracking precision in real-time. Fast-moving users receive larger paging areas to reduce paging frequency, while stationary users receive smaller paging areas for better location precision.
Solution Approach 2:
The patent changes the parameter of paging area size based on user mobility characteristics. By monitoring user movement patterns and adjusting the paging area parameter accordingly, the system achieves optimal balance between energy consumption and location tracking. This parameter adaptation allows the network to provide differentiated service levels without requiring continuous location updates from all users.
2Reliability
If the network performs paging operations in large areas to ensure user reachability, then service delivery reliability is improved, but network resource consumption increases
Solution Approach 1:
The patent applies local quality by providing differentiated paging area sizes to different users based on their individual mobility patterns. Instead of using a uniform large paging area for all users, the system assigns appropriate paging areas locally optimized for each user's behavior, reducing overall network resource consumption while maintaining reliability for each individual user.
Solution Approach 2:
The patent segments the user base into different mobility categories (fast-moving, slow-moving, stationary) and applies different paging strategies to each segment. This segmentation allows the network to optimize resource allocation by using smaller paging areas for stationary users and larger paging areas only when necessary for fast-moving users, thereby reducing total network resource consumption.
3Device complexity
If the network uses static paging areas for all users, then system complexity is reduced, but adaptability to individual user mobility patterns is lost
Solution Approach 1:
The patent introduces dynamics into the paging area assignment by automatically adapting paging areas to individual user mobility patterns. The system monitors user movement and dynamically adjusts paging area sizes without requiring complex manual configuration, achieving high adaptability through automated dynamic adjustment rather than static pre-configuration.
Solution Approach 2:
The patent implements self-service by enabling the network to automatically learn and adapt to user mobility patterns without external intervention. The system autonomously monitors user behavior, identifies mobility characteristics, and adjusts paging areas accordingly, reducing the need for complex network planning and manual configuration while achieving high adaptability.
Data Source
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AI summary
The invention relates to a method for an enhanced and an adaptive mobility management within a mobile communication network, wherein at least a first user equipment and a second user equipment are attached to the mobile communication network, wherein the mobile communication network comprises at least a core network and an access network, wherein the access network comprises a plurality of radiocells, one radio cell among the plurality of radio cell being the serving cell of both the first user equipment and the second user equipment, wherein – while the first user equipment and the second user equipment are, during an initial time interval, in an idle mode, respectively – the method comprises at least the steps of: - in a first step - upon a first mobile terminated service targeting the first user equipment a first paging operation is performed targeting the first user equipment, and - in a second step, either during the first step or subsequent to the first step, – upon a second mobile terminated service targeting the second user equipment - a second paging operation is performed targeting the second user equipment, wherein the first paging operation is performed –during the initial time interval – in a first paging area, and the second paging operation is performed - during the initial time interval – in a second paging area, the first paging area being defined as corresponding to either the serving cell or a first set of radio cells specific of the first user equipment, and the second paging area being defined as corresponding to either the serving cell or to a second set of radio cells specific of the second user equipment, wherein the mandatory overlap between the first paging area and the second paging area is restricted to the serving cell.