Cross-Link Interference Measurement in 5G UE-BS Signaling
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Solution Overview
Problem
Existing wireless communication systems face challenges in effectively providing seamless services due to inter-terminal interference, which is not adequately addressed by current methods and technologies.
Innovation Solution
A method and apparatus for measuring and reporting cross-link interference (CLI) in a wireless communication system, involving UE capability reporting, configuration of interference measurement, and aperiodic interference measurement indication using DCI, with the UE transmitting the measured results to the BS.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If inter-terminal interference measurement is not implemented, then system complexity remains low, but service effectiveness deteriorates due to inadequate interference management
Solution Approach 1:
The interference measurement process is segmented into distinct phases: capability reporting by UE, configuration by BS, actual measurement execution, and result reporting. This segmentation allows the system to manage complexity through structured, modular operations rather than implementing a monolithic interference management system.
Solution Approach 2:
The system performs preliminary capability reporting and configuration actions before actual interference measurement and service delivery. UE reports its measurement capabilities in advance, and BS configures measurement parameters beforehand, enabling efficient interference management during service operation without adding operational complexity.
2Reliability
If comprehensive interference measurement is implemented, then interference management improves, but signaling overhead increases due to capability reporting and configuration exchange
Solution Approach 1:
The patent extracts interference measurement capability reporting and configuration exchange as separate, dedicated signaling procedures from the main service data transmission. This extraction allows the system to minimize overhead by using targeted, concise signaling messages specifically for interference management purposes, rather than embedding measurement information within general service traffic.
3Adaptability or versatility
If aperiodic interference measurement indication is used, then measurement timing flexibility improves, but processing complexity increases at the UE side
Solution Approach 1:
The system implements feedback mechanisms where UE reports measured interference results back to BS. This feedback loop allows BS to adapt measurement configurations based on actual interference conditions, providing timing flexibility without requiring complex autonomous decision-making at UE side. UE follows BS instructions and provides feedback, keeping UE processing manageable.
Data Source
AI summary
The present disclosure relates to a communication scheme and system therefor for converging an Internet of things (IoT) technology with a 5th generation (5G) communication system for supporting a higher data rate after a 4th generation (4G) system. The present disclosure is applicable to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety-related services, or the like) based on 5G communication technology and IoT-associated technology. The present disclosure discloses a method of measuring and reporting interference in a wireless communication system.