Relay Node Selection for Wireless Connectivity
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Solution Overview
Problem
Future wireless communications networks face challenges in efficiently supporting a wide range of devices with diverse data traffic profiles and mobility requirements, particularly in selecting suitable relay communications nodes for optimal connectivity and power management.
Innovation Solution
A method for communications devices to detect and determine the suitability of relay communications nodes based on indications of mobility, type, and availability, allowing for selective attachment or handover to optimize network connections and reduce power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If relay communications nodes are used to extend network coverage and support diverse devices, then connectivity coverage is improved, but network complexity increases
Solution Approach 1:
The patent segments relay nodes into different types (first relay nodes and second relay nodes) with distinct functions and characteristics. First relay nodes are associated with high-speed trains for mobility scenarios, while second relay nodes serve other purposes. This segmentation allows the network to manage complexity by deploying only the appropriate relay node type for each specific coverage and connectivity scenario, rather than using a monolithic relay infrastructure.
Solution Approach 2:
The patent applies local quality by assigning different relay node types to different spatial and functional locations. First relay nodes are deployed in high-speed train environments where mobility is critical, while second relay nodes are used in other scenarios. Each relay node type is optimized for its specific local requirements, allowing the network to maintain simplicity in each localized area while achieving overall network coverage expansion.
2Adaptability or versatility
If relay nodes provide connectivity for diverse devices with different traffic profiles, then device compatibility is improved, but power consumption increases
Solution Approach 1:
The patent segments relay nodes into specialized types that are optimized for specific device categories and traffic profiles. First relay nodes are designed for mobile devices on high-speed trains with specific latency and mobility requirements, while second relay nodes serve other device types. This segmentation allows devices to connect to the most appropriate relay node, reducing unnecessary power consumption that would occur if all devices used a generic relay infrastructure.
Solution Approach 2:
The patent implements self-service through automatic relay node selection mechanisms where communications devices autonomously determine which relay node type to connect to based on their current scenario and requirements. The network provides indications about available relay node types, and devices make independent decisions about attachment, eliminating the need for manual configuration and reducing the processing power required compared to centralized management approaches.
3Reliability
If the network supports multiple relay node types with different characteristics, then service quality for specific applications is improved, but selection complexity increases
Solution Approach 1:
The patent implements feedback mechanisms where the network provides communications devices with indications about the types of relay nodes available and their characteristics. The network signals information about first relay nodes (associated with high-speed trains) and second relay nodes, enabling devices to make informed selection decisions. This feedback approach simplifies the selection process by providing structured information about relay node types rather than requiring devices to autonomously determine optimal connections without guidance.
Solution Approach 2:
The patent applies preliminary action by pre-configuring and pre-identifying different relay node types before devices need to connect. The network prepares information about available relay node types and their characteristics in advance, so when a device needs to establish connectivity, the selection process begins with already-organized information rather than requiring real-time analysis of all possible relay options. This preliminary preparation reduces the computational complexity of the selection process.
Data Source
AI summary
There is provided a method of operating a communications device. The communications device detects an indication of a relay service which can be provided by a communications node acting as a relay. The communications device determines, based at least in part on the detected indication of the relay service which can be provided by the relay communications node, whether to select the relay communications node.