LTE Measurement Configuration for Decoupling Handover
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Solution Overview
Problem
Current Radio Resource Management (RRM) measurement and report mechanisms in LTE networks do not differentiate between decoupling handover and normal handover cases, leading to unnecessary Radio Resource Control (RRC) reports, which waste bandwidth and processing resources.
Innovation Solution
A measurement configuration and report mechanism that distinguishes between decoupling and normal handover cases by indicating the type of event in the measurement configuration message, allowing the user equipment to report measurements only when specific conditions related to decoupling are met, such as both serving and measured cells supporting decoupling and having different transmission powers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the current RRM measurement and report mechanism is used without differentiation between decoupling and normal handover cases, then the mechanism is simple and easy to implement, but unnecessary RRC reports are generated which waste bandwidth and processing resources
Solution Approach 1:
The patent segments the handover measurement report mechanism into two distinct types: normal handover reports and decoupling handover reports. By introducing a report type indicator in the measurement configuration message, the system divides the previously unified reporting mechanism into separate pathways, allowing targeted reporting only when necessary. This segmentation eliminates unnecessary reports while maintaining implementation feasibility through structured message differentiation.
2Loss of energy
If the measurement report mechanism is configured to differentiate between decoupling and normal handover cases, then unnecessary reports are reduced and resources are conserved, but the device complexity and configuration overhead increase
Solution Approach 1:
The patent extracts the handover type differentiation logic from the general measurement reporting mechanism by introducing a dedicated report type indicator field. This extraction allows the system to identify and process decoupling handover reports separately from normal handover reports. The complexity is localized to the indicator field and associated processing logic, rather than permeating the entire measurement system, thereby managing complexity while achieving resource efficiency.
3Loss of information
If all measurement reports are transmitted regardless of handover type, then comprehensive measurement data is available for network optimization, but the measurement report overhead increases and QoS performance deteriorates
Solution Approach 1:
The patent applies local quality by differentiating the reporting behavior based on the specific handover type. Instead of applying a uniform reporting policy globally, the system tailors the reporting mechanism to the local context: decoupling handover reports are transmitted with specific indicators while normal handover reports follow the conventional path. This localized differentiation ensures that necessary measurement data is captured for network optimization while avoiding the QoS deterioration caused by excessive universal reporting.
Data Source
AI summary
The disclosure relates to a measurement configuration method and a measurement report method. The measurement configuration method comprises generating and transmitting a measurement configuration message to a user equipment. The measurement configuration message indicates a cell to be measured by the user equipment and an event for triggering a report of the measurement. The measurement configuration message also indicates whether the event if of a decoupling type or not. The measurement report method in the user equipment comprises receiving the measurement configuration message, and measuring and reporting according to the measurement configuration message. By configuring the message configuration message to indicate the type of the event, the user equipment can differentiate a decoupling case and a normal case, and only reports the measurement as required. There are also provided a base station performing the measurement configuration method and a user equipment performing the measurement configuration method.