Adaptive Cell Measurement in Non-Terrestrial Networks
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Solution Overview
Problem
In non-terrestrial networks, the long distance between user equipment (UE) and base stations, such as satellites, leads to unnecessary delays in cell measurement and reporting due to the application of multiple beam-related technologies, necessitating a separate protocol for efficient communication.
Innovation Solution
A method and apparatus for controlling cell measurement or cell measurement reports in non-terrestrial networks by receiving configuration information from a base station, determining whether to perform the measurement or report based on this information, and controlling the operation accordingly, allowing for optimized communication between UE and base stations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple beam-related technologies are applied in non-terrestrial networks, then communication coverage and service efficiency are improved, but unnecessary delay occurs in cell measurement and cell measurement report
Solution Approach 1:
The patent applies dynamics by making the cell measurement and reporting process adaptive rather than static. The UE determines whether to perform cell measurement or cell measurement report based on configuration information received from the base station, allowing the system to dynamically adjust measurement behavior according to current network conditions, thereby reducing unnecessary delays while maintaining communication efficiency
Solution Approach 2:
The patent changes the parameter of measurement execution by introducing configuration information that controls whether cell measurement or cell measurement report is performed. This parameter change allows the system to optimize the balance between measurement accuracy and timing, reducing delays caused by mandatory multiple beam-related measurement procedures
2Reliability
If cell measurement and cell measurement report are performed frequently to maintain connection in non-terrestrial networks, then connection reliability is improved, but power consumption increases
Solution Approach 1:
The patent implements dynamic power management by allowing the UE to adaptively determine whether to perform cell measurement or cell measurement report based on received configuration information. This dynamic approach maintains connection reliability through selective measurements while significantly reducing power consumption by avoiding unnecessary frequent measurement operations
Solution Approach 2:
The UE autonomously determines whether to perform cell measurement or cell measurement report by using configuration information from the base station, without requiring continuous network control. This self-service mechanism enables the UE to independently optimize its power consumption while maintaining reliable connections in non-terrestrial networks
Data Source
AI summary
Disclosed is a technique for enabling a terminal and a base station to communicate through a non-terrestrial network. A method of a terminal for communicating through a non-terrestrial network (NTN) includes the steps of: receiving, from a base station, configuration information for controlling cell measurement or cell measurement reporting in the NTN; determining whether to perform cell measurement or cell measurement reporting by using the configuration information; and controlling a cell measurement or cell measurement reporting operation according to the determination result.