Dynamic Spectrum Arbitrage for eNodeB Congestion Management
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Solution Overview
Problem
The increasing demand for radio frequency spectrum due to wireless communication devices leads to congestion issues, with finite RF bandwidth being overwhelmed, while emergency service RF bands remain underutilized, necessitating improved methods for dynamic allocation of telecommunication resources.
Innovation Solution
A dynamic spectrum arbitrage system that monitors eNodeB congestion states in a first telecommunication network, allowing for the allocation and management of RF spectrum resources by restricting handovers, enabling hand-ins, and initiating quality of service degradation procedures to optimize resource usage across networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If RF spectrum resources are allocated to wireless devices, then service coverage and accessibility are improved, but network congestion increases and service quality deteriorates
Solution Approach 1:
The patent implements dynamic spectrum allocation where the DSC continuously monitors eNodeB congestion states and adjusts handover decisions in real-time. The system transitions from static resource allocation to dynamic control based on current network conditions, allowing spectrum resources to be adaptively allocated between networks according to actual demand and congestion levels
Solution Approach 2:
The system establishes a feedback loop where the DSC receives congestion state information from eNodeBs, processes this information to determine appropriate handover actions, and sends control decisions back to the network. This closed-loop control enables the system to respond to changing network conditions and maintain service quality while maximizing resource utilization
2Productivity
If handovers are allowed between networks, then resource utilization is improved, but congestion in the first network increases
Solution Approach 1:
The DSC acts as an intermediary controller between the first and second telecommunication networks. It receives handover requests, evaluates the congestion state of the target eNodeB, and makes intelligent decisions about whether to permit handovers. This intermediary control mechanism enables efficient resource utilization while preventing excessive congestion in the first network
Solution Approach 2:
The system changes the operational parameters of handover control based on congestion state. When congestion is low, handovers are permitted to improve resource utilization. When congestion increases, the DSC restricts handovers to protect network performance. This parameter-based control allows the system to optimize between resource utilization and congestion management
3Reliability
If spectrum resources are dedicated to emergency services, then emergency service reliability is improved, but overall spectrum utilization decreases
Solution Approach 1:
The patent enables spectrum resources to serve multiple functions and multiple networks. The same RF spectrum can be allocated to emergency services when needed while also being available for general telecommunication use during normal operations. The DSC manages this multi-functionality by controlling handovers based on network type and congestion state, allowing a single spectrum resource to fulfill multiple roles
Data Source
AI summary
A dynamic spectrum arbitrage (DSA) system may include a dynamic spectrum policy controller (DPC) and a dynamic spectrum controller (DSC) that together dynamically manage the allocation and use of resources (e.g., spectrum resources) across different networks. The DSC and/or DPC components may be configured to monitor a congestion state of an eNodeB, and intelligently allocate resources, manage user traffic of the eNodeBs, select target eNodeBs for handovers, determine the quality of service (QoS) levels that are to be given to wireless devices attached to the eNodeBs, and/or perform other similar operations to intelligently manage the allocation and use of resources by the various networks. The DPC and/or DSC components may be also configured to perform these and other operations based on the transitions, changes, transition rates, or rates of change in the congestion levels of the network components.