Adaptive Cell-Shaping for Prioritized Service Maintenance
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Solution Overview
Problem
Cellular networks face challenges in maintaining high availability and reliability for mission-critical communication services, especially during public safety scenarios where network performance degradation occurs due to infrastructure damage or congestion, leading to potential delays and limited deployment flexibility.
Innovation Solution
A method for adaptive cell-shaping in cellular networks, where a network node adjusts cell-shaping parameters of radio access network nodes to maintain network access for prioritized services and subscribers, utilizing existing infrastructure without pre-selection of IOPS-enabled base stations, and enabling timely communications without human intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If IOPS-enabled base stations are preselected during network planning, then network access for prioritized services can be maintained during infrastructure damage, but deployment flexibility is limited and integration with existing infrastructure becomes complex
Solution Approach 1:
The patent implements dynamic cell-shaping parameter adjustment where radio access network nodes automatically adapt their coverage and capacity parameters in response to detected network performance degradation. This dynamic adaptation eliminates the need for pre-selected IOPS-enabled base stations while maintaining reliable access for prioritized services during emergencies.
Solution Approach 2:
The system enables self-service through automatic detection of network performance degradation and autonomous adjustment of cell-shaping parameters by radio access network nodes. This self-organizing capability removes the need for manual pre-selection and configuration of specialized base stations, thereby improving deployment flexibility while maintaining service reliability.
2Reliability
If IOPS-enabled base stations are preselected during network planning, then network access for prioritized services can be maintained during infrastructure damage, but integration with existing network infrastructure becomes complex
Solution Approach 1:
The patent makes all radio access network nodes universally capable of maintaining prioritized service access by enabling dynamic cell-shaping parameter adjustment across the entire network. This universal capability eliminates the need for specialized IOPS-enabled base stations and their complex integration requirements, as any node can adapt to provide reliable prioritized service access during emergencies.
Solution Approach 2:
The system changes operational parameters (cell-shaping parameters) of existing radio access network nodes in response to detected performance degradation. This parameter-based adaptation allows existing infrastructure to be dynamically optimized for prioritized services without complex hardware modifications or specialized node integration.
3Reliability
If ad-hoc base stations are deployed in public safety scenarios, then network access can be provided when infrastructure is damaged, but deployment time is long and flexibility is limited
Solution Approach 1:
The patent implements preliminary configuration where all radio access network nodes are pre-capable of dynamic cell-shaping parameter adjustment. This preliminary capability ensures that when network performance degradation is detected, nodes can immediately adapt their parameters to maintain prioritized service access, eliminating the time-consuming deployment of ad-hoc base stations.
Solution Approach 2:
The system provides self-service through automatic detection and response to network performance degradation. Radio access network nodes autonomously adjust their cell-shaping parameters to maintain prioritized service access, eliminating the need for manual ad-hoc deployment and significantly reducing response time while maintaining reliability.
4Reliability
If cell-shaping parameters are dynamically adjusted during network performance degradation, then network access for prioritized services is maintained, but network control complexity increases
Solution Approach 1:
The patent implements feedback-based control where radio access network nodes detect network performance degradation and automatically adjust their cell-shaping parameters in response. This closed-loop feedback mechanism maintains prioritized service access while distributing control intelligence across individual nodes, preventing centralized control complexity from becoming unmanageable.
Solution Approach 2:
The system enables self-service through autonomous parameter adjustment at each radio access network node. Nodes independently detect performance degradation and adapt their own cell-shaping parameters without requiring complex centralized control, thereby maintaining reliability while keeping network control complexity manageable through distributed decision-making.
Data Source
AI summary
There is provided mechanisms for adaptive cell-shaping in a cellular network in which a group of radio access network nodes provide network access. A method is performed by a network node. The method comprises obtaining an indication of combined network performance degradation in a region in which a first radio access network node in the group of radio access network nodes provides network access and increased need for network access for prioritized service and/or prioritized subscribers in this region. The method comprises initiating adjustment of cell-degradation shaping parameters of at least one radio access network node in the group of radio access network nodes. Network access for the prioritized service and/or prioritized subscribers in the region is maintained by this at least one radio access network node in the group of radio access network nodes.