Adaptive Add Thresholds for Wireless Access Nodes
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Solution Overview
Problem
Wireless communication networks face challenges in efficiently and effectively selecting optimal secondary access nodes for user devices due to the large variance in size and complexity of these nodes, leading to suboptimal service delivery.
Innovation Solution
A primary access node determines cell site density and adjusts add thresholds for secondary access nodes based on radio metrics and cell site density, ensuring that user devices connect to the most suitable secondary access nodes for improved service delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the primary access node uses a fixed addition threshold for secondary access nodes, then the selection process is simple, but the service quality is suboptimal due to not considering cell site density variations
Solution Approach 1:
The patent applies dynamics by making the addition threshold adaptive rather than fixed. The threshold dynamically adjusts based on cell site density measurements and radio metrics, allowing the system to optimize service quality for different geographic conditions while maintaining operational simplicity through automated adjustments
Solution Approach 2:
The patent implements feedback mechanisms where the primary access node continuously monitors cell site density and radio metrics from user devices, then uses this feedback information to adjust addition thresholds for secondary access nodes, creating a closed-loop system that improves service quality based on actual network conditions
2Reliability
If the primary access node considers cell site density and radio metrics to determine addition thresholds, then the selection of optimal secondary access nodes is improved, but the processing complexity increases
Solution Approach 1:
The patent applies preliminary action by having the primary access node pre-determine addition thresholds based on cell site density and radio metrics before user devices need to connect to secondary access nodes. This proactive threshold setup reduces real-time processing complexity while maintaining accurate node selection
Solution Approach 2:
The patent changes the parameter of addition threshold from a static value to a dynamic parameter that varies based on cell site density and radio metrics. This parameter transformation enables more accurate node selection while the automated calculation process manages the complexity burden
3Adaptability or versatility
If the addition threshold is set low to accommodate diverse secondary access nodes, then more nodes can be added, but the service quality decreases due to suboptimal node selection
Solution Approach 1:
The patent applies local quality by setting different addition thresholds for different geographic locations based on their specific cell site density characteristics. This allows the system to maintain high service quality in areas with dense node deployments while still accommodating diverse node types, rather than using a uniform threshold that compromises overall service quality
4Ease of operation
If the primary access node does not consider cell site density in threshold selection, then the operation is simple, but the wireless user devices connect to non-optimal secondary access nodes
Solution Approach 1:
The patent implements self-service by enabling the primary access node to automatically determine and adjust addition thresholds based on cell site density and radio metrics without requiring manual configuration. This maintains operational simplicity while significantly improving connectivity optimality through data-driven threshold selection
Data Source
AI summary
A primary access node adds a secondary access node to deliver wireless communication service to a wireless User Equipment (UE). The primary access node comprises a radio and baseband circuitry. The radio wirelessly receives a measurement report from the UE characterizing a radio metric for the secondary access node and transfers the measurement report to the baseband circuitry. The baseband circuitry determines cell site density for the UE's location and determines an add threshold for the secondary access node based on the cell site density. The baseband circuitry determines an add value for the secondary access node based on the radio metric. When the add value exceeds the add threshold, the baseband circuitry transfers network signaling to the secondary access node to serve the UE and transfers user signaling to the radio. The radio wirelessly transfers the user signaling to the UE to attach to the secondary access node.