Dynamic Relay Node Management for Latency-Sensitive Wireless Networks
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Solution Overview
Problem
Wireless networks face challenges in maintaining high-quality service and coverage, particularly for latency-sensitive applications like voice, video streaming, and gaming, as relay nodes become overloaded when serving multiple devices, leading to service disruptions and delays.
Innovation Solution
A method is implemented to determine the number of relay nodes and latency-sensitive wireless devices attached to a donor access node, setting a maximum number of relay nodes based on these devices to prevent overload and maintain quality of service (QoS), which includes dynamic management of relay nodes and handover of devices between access nodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If relay nodes are increased to improve coverage and service quality, then coverage area and service capacity are improved, but relay node overload and service quality degradation occur
Solution Approach 1:
The patent implements dynamic management of relay nodes by continuously monitoring latency metrics and service quality parameters, and adjusting the number and configuration of relay nodes in real-time based on current network conditions, preventing both under-provisioning and overload
Solution Approach 2:
The system employs feedback mechanisms by measuring latency-sensitive application performance and using this information to dynamically adjust relay node allocation, ensuring service quality is maintained while optimizing coverage
2Productivity
If the number of wireless devices attached to relay nodes is increased to improve service capacity, then more devices can be served, but latency increases and service quality deteriorates
Solution Approach 1:
The patent dynamically adjusts the number of wireless devices that can be attached to each relay node based on real-time latency measurements and service quality metrics, allowing the system to adapt to changing load conditions and maintain acceptable latency levels while maximizing service capacity
Solution Approach 2:
The system changes operational parameters by adjusting device attachment limits on relay nodes based on latency thresholds and service quality requirements, enabling flexible control over the balance between service capacity and latency performance
3Adaptability or versatility
If relay nodes serve multiple applications including latency-sensitive applications, then network versatility is improved, but service quality for latency-sensitive applications deteriorates
Solution Approach 1:
The patent applies local quality by providing differentiated service treatment for latency-sensitive applications versus other applications, allocating specific relay nodes or time resources preferentially to latency-sensitive traffic to ensure high service quality while maintaining overall network versatility
Solution Approach 2:
The system dynamically prioritizes latency-sensitive applications by adjusting resource allocation and relay node assignment in real-time based on application type and current network conditions, ensuring quality of service for critical applications while maintaining versatile support for multiple application types
Data Source
AI summary
Methods, processing nodes, and systems are provided for managing relay nodes in a wireless network. A number of relay nodes attached to a donor access node can be determined. A number of latency sensitive wireless devices attached to the relay nodes can be determined. A latency sensitive wireless device can be a wireless device running a latency sensitive application. A latency sensitive relay node can be a relay node attached to the donor access node having an attached latency sensitive wireless device. A maximum number of relay nodes attached to the donor access node can be set, for example, based on the number of latency sensitive wireless devices attached to latency sensitive relay nodes.