UE Measurement Reporting Using Altitude and Flight Conditions
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Solution Overview
Problem
Existing wireless communication systems lack efficient methods for user equipment (UE) to perform altitude-based measurements and reporting, particularly in conditions where antenna conditions or flight path conditions are satisfied, which are crucial for accurate location and velocity indications.
Innovation Solution
The UE and network node implement measurement and reporting configurations based on altitude thresholds and antenna conditions, allowing for the transmission and reception of measurement reports that include location and velocity indications when specific conditions are met.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the UE transmits measurement reports continuously without altitude-based filtering, then the network node receives frequent location and velocity updates, but the network node processes unnecessary data when the UE is on the ground, increasing signaling overhead and processing load
Solution Approach 1:
The patent introduces altitude as a new parameter to control measurement reporting behavior. The UE determines its altitude and compares it against a threshold to dynamically enable or disable measurement report transmission. This parameter-based control filters out ground-based reports, reducing unnecessary signaling while maintaining accurate tracking when the UE is airborne.
2Loss of information
If the UE transmits measurement reports only when altitude exceeds threshold, then signaling overhead is reduced, but location and velocity tracking is lost when the UE is at low altitude
Solution Approach 1:
The patent uses altitude threshold comparison to dynamically change the reporting parameter state. When altitude exceeds the threshold, measurement reporting is enabled with high precision location and velocity data. When below the threshold, reporting is disabled or reduced, filtering out low-quality ground-based measurements while preserving accurate aerial tracking.
3Reliability
If the network node receives all measurement reports regardless of UE condition, then complete tracking data is available, but the network node cannot distinguish between ground-based and aerial UE states
Solution Approach 1:
The patent implements preliminary altitude-based filtering at the UE side before transmission. The UE determines its altitude, compares it with the threshold, and only transmits measurement reports when the altitude condition is met. This preliminary action prevents unnecessary reports from reaching the network node, simplifying its processing while ensuring reliable tracking data.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may perform one or more measurements associated with an altitude of the UE. The UE may obtain an indication of an antenna condition or a flight path condition associated with the UE. The UE may transmit, based at least in part on the altitude of the UE being greater than an altitude threshold and at least one of the antenna condition or the flight path condition being satisfied, a measurement report that includes an indication of at least one of a location of the UE or a velocity of the UE. Numerous other aspects are described.