CQI Measurement in Multi-Node Collaboration Systems
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Solution Overview
Problem
Existing communication technologies cannot apply channel quality indicator (CQI) measurement to multi-node collaboration systems, limiting effective radio resource scheduling.
Innovation Solution
A method and system for measuring CQI that involves obtaining a channel quality indicator configuration with valid and interfering signal processing manners, performing signal processing, and feeding the calculated CQI back to the base station, enabling CQI measurement in multi-node collaboration systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional CQI measurement processing is used, then the measurement process is simple and based on fixed resource interference measurement, but it cannot be applied to multi-node collaboration systems
Solution Approach 1:
The patent introduces dynamic CQI measurement configurations that adapt to different transmission modes and multi-node collaboration scenarios. The system dynamically selects between different measurement approaches (single-node vs. multi-node) based on the active transmission mode, allowing the measurement process to be flexible and adaptable rather than fixed.
Solution Approach 2:
The patent creates a universal CQI measurement framework that can handle both traditional single-node scenarios and advanced multi-node collaboration scenarios through a unified configuration mechanism. The same measurement infrastructure supports multiple transmission modes (e.g., joint transmission, coordinated scheduling) by dynamically applying different processing manners based on configuration parameters.
2Adaptability or versatility
If separate measurement processing is performed on signal part and interfering part, then CQI calculation is straightforward, but it cannot accommodate multiple transmission modes in multi-node systems
Solution Approach 1:
The patent changes the parameters of the measurement process based on the active transmission mode. Different CQI measurement configurations are defined with specific parameters for signal processing and interference processing that are selected dynamically. This allows the system to adapt the measurement approach to match the current transmission mode without requiring completely separate measurement systems.
Solution Approach 2:
The patent segments the CQI measurement process into configurable components (signal processing manner, interference processing manner, resource allocation) that can be independently selected and combined. This segmentation allows flexible configuration for different transmission modes while maintaining a structured measurement framework.
3Measurement precision
If fixed resource interference measurement is used, then the measurement process is simple, but it is insufficient for accurate CQI in multi-node collaboration
Solution Approach 1:
The patent implements feedback mechanisms where the system monitors the active transmission mode and dynamically adjusts the CQI measurement configuration accordingly. The base station configures appropriate measurement parameters based on the multi-node collaboration mode being used, ensuring that the measurement approach matches the actual signal and interference characteristics of the current transmission scenario.
Data Source
AI summary
Embodiments of the present invention provide a method and a system for measuring a channel quality indicator, a user equipment and a base station. The method includes: obtaining a channel quality indicator configuration, where the channel quality indicator configuration includes a first combination, and the first combination includes a valid signal processing manner and an interfering signal processing manner; performing valid signal processing and interfering signal processing according to the valid signal processing manner and the interfering signal processing manner in the first combination to obtain a valid signal and an interfering signal; performing channel quality indicator calculation according to the valid signal and the interfering signal to obtain a channel quality indicator; and feeding the channel quality indicator back to a base station.