UE Beam Reporting Parameter Sets for Faster LTM Handover
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Solution Overview
Problem
Existing wireless communication systems face increased latency due to using a single set of parameters for adding or removing network entities in UE-initiated beam reporting, which can lead to suboptimal handover performance.
Innovation Solution
Configuring user equipment (UE) with distinct parameter sets for entering and leaving conditions during UE-initiated beam reporting events, allowing separate triggers for adding and removing network entities from monitoring lists.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single set of parameters is used for both adding and removing network entities in UE-initiated beam reporting, then the system complexity is reduced, but the communication latency increases and handover performance deteriorates
Solution Approach 1:
The patent divides the single parameter set into multiple distinct parameter sets, where each set is specifically configured for different event conditions (e.g., adding network entities vs. removing network entities). This segmentation allows the system to select appropriate parameters based on the current event type, reducing latency without significantly increasing overall system complexity.
Solution Approach 2:
The patent implements dynamic parameter selection where the UE can switch between different parameter sets based on the current event condition. This dynamic adaptation enables the system to optimize performance for each specific scenario (handover initiation, handover completion, etc.) rather than using static, one-size-fits-all parameters.
2Device complexity
If a single set of parameters is used for both adding and removing network entities, then the configuration is simpler, but the handover performance becomes suboptimal
Solution Approach 1:
The patent applies different parameter sets tailored to specific local conditions (different event types). For example, one parameter set is optimized for adding network entities during handover initiation, while another is optimized for removing entities during handover completion. This local optimization ensures that each phase of the handover process uses the most appropriate parameters for its specific requirements.
Solution Approach 2:
The patent changes parameters based on the event condition by configuring multiple parameter sets with different values for the same parameters (e.g., threshold values, hysteresis margins). The UE selects the appropriate parameter set based on the current event type, thereby adapting the system behavior to optimize handover performance for each specific scenario.
3Loss of time
If distinct parameter sets are configured for different event conditions, then the handover quality improves and latency reduces, but the device complexity increases
Solution Approach 1:
By segmenting the parameter configuration into distinct sets for different event conditions, the patent enables the UE to manage complexity through structured organization. Each parameter set is clearly defined for specific events, making the selection process more systematic and less computationally intensive, thereby reducing latency without proportionally increasing management complexity.
Solution Approach 2:
The dynamic parameter set selection mechanism allows the UE to adapt to different event conditions in real-time. This dynamic approach improves responsiveness and reduces latency by using pre-configured parameter sets rather than calculating optimal parameters on-the-fly, thereby managing complexity through preparation rather than computation during operation.
Data Source
AI summary
Methods, systems, and devices for wireless communications are described. The described techniques may enable a UE to perform UE-initiated measurement reporting for lower layer triggered mobility (LTM). For example, a serving network entity may configure the UE with different sets of parameters for an entering condition and a leaving condition associated with an LTM event. For example, the UE may receive an event configuration indicating a first set of parameters for the entering condition and a second set of parameters for the leaving condition. In some examples, the UE may be configured with multiple sets of parameters, and may receive an indication of one or more sets of parameters of the multiple sets of parameters for the entering condition or for the leaving condition. In such examples, the UE may use one or more default sets of parameters for the entering condition or for the leaving condition.