Inter-Technology Load-Balancing System for Heterogeneous Radio Access Networks
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Solution Overview
Problem
Current multi-radio access technology (RAT) networks face inefficiencies due to incompatibilities between different standards, leading to suboptimal utilization and balance of network resources, resulting in congested and underutilized networks, which affects quality of service and user experience.
Innovation Solution
Implementing an inter-technology load-balancing system that uses radio access network selectors to monitor terminal positioning and determine the most suitable RAN for communication based on loading conditions, quality of service requirements, and service policies, optimizing the choice of RANs to balance network resources and improve spectral efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple incompatible RATs are deployed to support diverse services, then service coverage and adaptability are improved, but network resource utilization and load balance deteriorate
Solution Approach 1:
The patent introduces a load-balancing mechanism as an intermediary layer between multiple incompatible RATs and the core network. This mechanism monitors network conditions across different RATs and dynamically routes traffic to optimize resource utilization while maintaining service coverage. The load balancer acts as a mediator that translates between different RAT interfaces and the core network, enabling efficient resource management across heterogeneous networks.
Solution Approach 2:
The patent implements dynamic load balancing that continuously adapts to changing network conditions. The system monitors traffic patterns, network load, and quality of service metrics in real-time, then dynamically adjusts routing decisions to distribute traffic optimally across available RATs. This dynamic adaptation allows the system to maintain high resource utilization while supporting diverse services across incompatible networks.
2Adaptability or versatility
If multi-RAT devices are used to access various networks, then connectivity versatility is improved, but network load balance and spectral efficiency worsen
Solution Approach 1:
The patent implements a feedback-based load balancing mechanism that continuously monitors network conditions, traffic patterns, and quality of service metrics across multiple RATs. The system uses this feedback information to make intelligent routing decisions, directing traffic to the most efficient available network. This feedback loop enables the system to optimize spectral efficiency by avoiding congested networks and prioritizing underutilized RATs, thereby reducing overall network energy consumption while maintaining multi-RAT connectivity versatility.
3Productivity
If network load balancing is implemented across incompatible RATs, then network resource utilization is improved, but system complexity increases
Solution Approach 1:
The patent divides the load balancing system into distinct functional segments: a monitoring component that collects network status information from multiple RATs, a decision-making component that processes this information and determines optimal routing, and an execution component that implements traffic redirection. This segmentation allows each module to be independently optimized and managed, reducing overall system complexity while achieving improved network resource utilization across incompatible RATs.
Data Source
AI summary
An approach is provided for interworking between radio access networks that utilize different radio access technologies. Loading information of a plurality of radio access networks that are accessible by a terminal is determined. A list of candidates from the radio access networks are output based on the loading information for use by the terminal.