Relay User Equipment Selection via Route Commonality
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Solution Overview
Problem
Conventional mobile communication systems face challenges in providing network access through direct communication between user equipment (UE) due to the lack of consideration for mobility and route commonality, leading to service interruptions and suboptimal service continuity.
Innovation Solution
A method for selecting a UE for relaying based on route commonality and radio link quality, where the UE with the highest route commonality is prioritized, even if the radio link quality is not the best, to ensure service availability and continuity, and the estimated service duration is considered to minimize handovers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a UE is selected for relaying based solely on radio link quality, then the immediate communication quality is improved, but service continuity deteriorates due to route divergence and frequent handovers
Solution Approach 1:
The system performs preliminary route prediction and route commonality assessment before selecting the relaying UE. By predicting future routes and calculating route commonality in advance, the system ensures that the selected UE will maintain communication coverage throughout the required service duration, preventing service interruptions and handovers before they occur.
Solution Approach 2:
The system dynamically adapts the UE selection criteria by introducing route commonality as a time-varying parameter. Instead of using static radio link quality measurements, the system continuously predicts routes and calculates route commonality based on predicted future positions, making the selection process adaptive to mobility patterns and ensuring service continuity.
2Reliability
If the system prioritizes route commonality over radio link quality, then service availability is improved, but immediate communication quality may deteriorate
Solution Approach 1:
The system merges route commonality assessment with radio link quality evaluation in the UE selection process. By combining these two criteria, the system selects a relaying UE that satisfies both requirements: sufficient route commonality to ensure service availability and adequate radio link quality to maintain communication quality throughout the service duration.
Solution Approach 2:
The system performs preliminary route prediction and route commonality calculation before making the final UE selection. This preliminary action allows the system to identify UEs that will provide both route commonality and acceptable radio link quality over the required service duration, ensuring both service availability and communication quality from the outset.
3Device complexity
If conventional UE selection methods are used without considering mobility, then device complexity is reduced, but service interruptions increase due to lack of route commonality consideration
Solution Approach 1:
The system introduces route prediction and route commonality calculation as intermediary steps between conventional UE selection and service delivery. These intermediary components analyze mobility patterns and predict future routes, providing enhanced selection criteria without significantly increasing overall system complexity, while effectively preventing service interruptions.
Data Source
AI summary
A transportation vehicle, a system, apparatuses, methods, and computer programs for user equipment of a mobile communication system. The method for a first user equipment (user equipment) of a mobile communication system includes determining a lack of coverage of the mobile communication system; determining two or more relay candidates, a relay candidate being a user equipment capable of providing network access for the first user equipment via direct communication; and selecting a second user equipment for network access from the two or more relay candidates based on a common route section of the first and second user equipments.