Dynamic Spectrum Arbitrage System with Home eNodeB Gateway
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Solution Overview
Problem
Existing femtocell solutions are not suitable for dynamic spectrum arbitrage systems due to their negative impact on performance when managing and coordinating communications and interactions between femtocells and other components, leading to inefficiencies in allocating and managing telecommunication resources.
Innovation Solution
A dynamic spectrum arbitrage system that includes a dynamic spectrum policy controller and dynamic spectrum controller, utilizing the DSAAP protocol to efficiently communicate and manage congestion reports from femtocells, allowing for intelligent allocation and handover of RF spectrum resources between networks, thereby optimizing resource usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing femtocell solutions are used in dynamic spectrum arbitrage systems, then femtocell inclusion is achieved, but system performance deteriorates due to negative impact on managing and coordinating communications
Solution Approach 1:
The patent introduces a Home eNodeB Gateway (HeNB GW) as an intermediary component that manages and coordinates communications between femtocells and the core network. The gateway acts as a mediator that handles signaling, resource allocation, and handover coordination, thereby enabling femtocell inclusion while maintaining system performance through centralized control and optimized resource management.
2Stability of the object's composition
If traditional resource allocation methods are used, then network stability is maintained, but resource utilization efficiency decreases due to underutilized telecommunication resources
Solution Approach 1:
The patent implements dynamic spectrum arbitrage that enables real-time allocation and redistribution of underutilized telecommunication resources. The system dynamically adjusts resource allocation based on current network conditions, traffic patterns, and demand, allowing resources to be transferred from networks with excess capacity to those experiencing congestion, thereby improving overall resource utilization while maintaining network stability through controlled handovers.
Solution Approach 2:
The system incorporates feedback mechanisms that continuously monitor network congestion levels, resource utilization, and handover performance. Based on this feedback, the dynamic spectrum arbitrage system adjusts resource allocation decisions and handover parameters in real-time, optimizing resource distribution while ensuring network stability through adaptive control.
3Speed
If real-time spectrum resource allocation is implemented, then resource allocation speed is improved, but system complexity increases due to coordination requirements between multiple networks
Solution Approach 1:
The patent segments the complex multi-network coordination system into distinct functional components: Home eNodeBs for local resource management, Home eNodeB Gateway for centralized coordination, and core network elements for policy enforcement. This segmentation allows real-time resource allocation to be implemented at the edge (HeNB level) while higher-level coordination is handled by the gateway, reducing overall system complexity through distributed intelligence.
Data Source
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AI summary
A dynamic spectrum arbitrage (DSA) system includes a plurality of femtocells, a home eNodeB gateway (HGW) coupled to each of the plurality of femtocells, a dynamic spectrum controller (DSC) coupled to the HGW, and a dynamic spectrum policy controller (DPC) coupled to the DSC and a plurality of other DSCs. Each of the femtocells may be configured to monitor network conditions, generate congestion reports based on a result of the monitoring, and send the generated congestion reports to the HGW. The HGW may be configured to receive congestion reports from many different femtocells, generate congestion state information based on the received congestion reports, and send the congestion state information to the DSC. The DSC may be configured to receiving the congestion state information from one or more HGWs, and use the received congestion state information to perform intelligent DSA operations (e.g., allocating resources, requesting handins, performing backoff operations, etc.).