Terminal LOS Indicator Reporting Under Payload Size Limits
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Solution Overview
Problem
The increase in payload size due to reporting a large number of LOS-NLOS-Indicators from terminals to the network, particularly in sub-THz frequency scenarios, poses a challenge.
Innovation Solution
Implementing a terminal with a control unit that starts a timer and a transmission unit to report measured LOS-NLOS-Indicators before the timer expires, along with methods to narrow down the number of indicators reported, including priority among indicators, and setting allowable errors to reduce payload size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the terminal measures and reports LOS-NLOS-Indicator using a plurality of frequencies, then the line-of-sight state detection capability is improved, but the payload size increases
Solution Approach 1:
The patent extracts and reports only the most relevant LOS-NLOS indicators based on signal quality thresholds. The terminal measures indicators across multiple frequencies but selectively reports only those meeting quality criteria (e.g., RSRP > threshold), thereby maintaining detection capability while reducing payload size by excluding redundant low-quality measurements
Solution Approach 2:
The patent applies different reporting strategies to different frequency bands based on their local characteristics. High-frequency bands (sub-6GHz, mmWave) are reported with different granularity than low-frequency bands (sub-1GHz), optimizing the balance between measurement precision and payload size for each frequency's specific propagation characteristics
2Loss of information
If the terminal reports all measured indicator values, then the information completeness is improved, but the data transmission volume increases
Solution Approach 1:
The terminal performs preliminary filtering of measured indicators before reporting. It pre-evaluates each indicator against quality thresholds (RSRP, SINR) and selects only those meeting criteria for inclusion in the report, thereby maintaining information completeness for decision-making while significantly reducing data transmission volume by excluding poor-quality measurements
Solution Approach 2:
The patent implements partial reporting where the terminal reports a subset of measured indicators rather than all measurements. By applying quality thresholds and reporting only significant indicators (e.g., those with RSRP above threshold), it achieves sufficient information completeness for network decisions while reducing payload size, accepting that some low-quality measurements are omitted
Data Source
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AI summary
A terminal includes: a control unit configured to start a timer on the basis of a trigger; and a transmission unit configured to report to a network an indicator value, indicating a line-of-sight state, that is successfully measured before the timer expires. .