Multi-TRP Measurement Mode Selection for Scalable UE Mobility
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Solution Overview
Problem
Existing measurement mechanisms in 6G wireless communication systems with multiple TRPs are not scalable, leading to frequent measurements, heavy signaling load, and inability to account for disruptions and directional changes, without mechanisms for cluster configuration or separate UL and DL paths.
Innovation Solution
A method for UE to select measurement modes based on UE parameters, including mobility, power, thermal levels, and cluster configuration, allowing for flexible measurement reporting and switching to new TRPs using UL SRS and GPS location, with defined measurement modes for different scenarios.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing measurement mechanisms are used in multi-TRP scenarios, then measurement coverage is provided, but signaling load increases and scalability deteriorates
Solution Approach 1:
The patent segments the measurement procedure into two distinct modes: network-configured measurement mode where the network entity configures measurement objects and reporting criteria, and autonomous measurement mode where the UE autonomously selects measurement objects and reporting criteria. This segmentation allows the system to distribute the measurement burden appropriately, reducing signaling load while maintaining measurement coverage.
Solution Approach 2:
The patent introduces dynamic measurement mode selection capability where the UE can switch between network-configured and autonomous measurement modes based on current operational conditions, UE capabilities, and network state. This dynamic adaptation enables the system to optimize signaling load while maintaining reliable measurement coverage across different scenarios.
2Measurement precision
If frequent measurements are performed to track mobility and disruptions, then measurement accuracy improves, but signaling load and energy consumption increase
Solution Approach 1:
The patent changes the measurement parameters dynamically by allowing the UE to select measurement objects and reporting criteria autonomously in autonomous measurement mode, or to receive optimized configurations from the network in network-configured mode. This parameter optimization enables accurate mobility tracking while reducing unnecessary measurements and associated energy consumption.
Solution Approach 2:
In autonomous measurement mode, the UE performs self-service by autonomously selecting measurement objects, configuring reporting criteria, and determining when to initiate measurements based on its own mobility state and detected disruptions. This self-service capability reduces the measurement burden on the UE while maintaining accurate mobility tracking.
3Ease of operation
If existing measurement mechanisms are used, then basic measurement functionality is provided, but adaptability to different scenarios and directional changes deteriorates
Solution Approach 1:
The patent creates a universal measurement framework that can operate in both network-configured and autonomous measurement modes, making the measurement system adaptable to different scenarios including multi-TRP environments, various mobility states, and different disruption conditions. This multi-functionality enables the same measurement framework to serve diverse operational requirements.
Solution Approach 2:
The patent introduces dynamic adaptability where the measurement system can switch between configured and autonomous modes, and where the UE can autonomously adapt measurement parameters based on detected directional changes and disruptions. This dynamic behavior enhances scenario adaptability while maintaining ease of operation through standardized measurement procedures.
4Extent of automation
If network-configured measurement mode is used, then measurement control is centralized, but system complexity and configuration overhead increase
Solution Approach 1:
The patent segments measurement control between network entity and UE by introducing two distinct modes: network-configured mode where the network entity provides measurement objects and reporting criteria, and autonomous mode where the UE handles measurement configuration independently. This segmentation reduces configuration overhead by allowing the UE to manage its own measurements in autonomous mode while maintaining centralized control options when needed.
Solution Approach 2:
In autonomous measurement mode, the UE performs self-service by independently selecting measurement objects, configuring reporting criteria, and managing measurement reporting without network intervention. This self-service capability significantly reduces configuration overhead and network signaling while maintaining effective measurement control at the UE level.
Data Source
AI summary
An example method for selecting a measurement mode by a user equipment (UE) in a communication system including multiple transmission and reception points (TRP) scenario includes receiving, from a network entity, system information indicating one or more measurement modes supported by the network entity; selecting a measurement mode among the one or more measurement modes based on one or more UE parameters; transmitting, to the network entity, a radio resource control (RRC) connection request for the selected measurement mode; and receiving, from the network entity in response to the transmitted RRC connection request, a first RRC connection configuration for configuring the UE with the selected measurement mode.