Conditional Handover Using Candidate Cell Operating Modes
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Solution Overview
Problem
Existing wireless communication systems lack efficient methods for selecting an energy-saving cell for conditional handover, leading to suboptimal power consumption and network performance.
Innovation Solution
Implementing a method for a user equipment (UE) to receive and perform a conditional handover procedure based on configured conditions and operating modes of candidate cells, and for a network entity to transmit these conditions and modes to the UE.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If conditional handover is implemented without considering cell operating modes, then handover decision simplicity is maintained, but energy efficiency deteriorates
Solution Approach 1:
The network entity performs preliminary actions by configuring multiple handover conditions associated with different operating modes (first operating mode and second operating mode) before the handover event occurs. The UE stores these pre-configured conditions and automatically selects the appropriate handover parameters based on the candidate cell's operating mode, eliminating the need for real-time complex calculations while optimizing energy efficiency.
Solution Approach 2:
The system dynamically adapts handover conditions based on the operating mode of candidate cells. The UE receives indications of operating modes and adjusts its handover decision-making process accordingly, transitioning between different handover strategies based on real-time network conditions. This dynamic approach allows the system to optimize energy consumption while maintaining manageable complexity through automated mode selection.
2Productivity
If handover decisions are made without cell operating mode information, then decision-making speed is maintained, but network performance deteriorates
Solution Approach 1:
The network entity pre-configures multiple handover conditions corresponding to different operating modes before the handover event. The UE stores these conditions and receives operating mode indications from candidate cells, allowing it to directly select appropriate handover parameters without time-consuming real-time analysis. This preliminary configuration enables fast handover decisions while optimizing network performance based on actual cell conditions.
Solution Approach 2:
The system implements feedback mechanisms where the UE receives indications of operating modes from candidate cells and uses this information to adjust handover decisions. This feedback loop allows the network to optimize performance by adapting handover conditions to actual cell states while maintaining decision speed through automated feedback-based selection rather than manual analysis.
3Use of energy by moving object
If energy-saving cells are not considered in handover, then handover procedure simplicity is maintained, but energy efficiency deteriorates
Solution Approach 1:
The network entity performs preliminary configuration of handover conditions for multiple operating modes including energy-saving modes. The UE automatically receives and processes operating mode indications from candidate cells, enabling it to select appropriate handover parameters without manual intervention. This automated preliminary configuration maintains operational simplicity while significantly improving energy efficiency by considering energy-saving cell options.
Solution Approach 2:
The UE performs self-service by automatically receiving operating mode indications from candidate cells and independently selecting the appropriate handover conditions based on pre-configured parameters. This self-service mechanism eliminates the need for manual network intervention in selecting energy-saving cells, maintaining ease of operation while improving energy efficiency through automated decision-making based on cell capabilities.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a network entity, a configuration of one or more conditional handover conditions associated with a first candidate cell. The UE may receive an indication of an operating mode associated with the first candidate cell. The UE may perform a conditional handover procedure based at least in part on the configuration of the one or more conditional handover conditions and the indication of the operating mode associated with the first candidate cell. Numerous other aspects are described.