CSI Aperiodic Trigger Offsets for Accurate CLI Reporting

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Solution Overview

Problem

Existing wireless communication systems lack a defined aperiodic triggering offset for cross-link interference (CLI) resource sets, leading to inaccurate CLI measurements and reporting, which affects communication latency and throughput.

Innovation Solution

Implementing a CSI AP trigger state configuration that includes an aperiodic triggering offset for CLI resource sets, such as CLI-RSSI and SRS-RSRP, to provide timing information for accurate CLI measurements and reporting.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If aperiodic triggering offset for CLI resource sets is not defined, then system complexity remains low, but CLI measurement precision deteriorates

Engineering Contradiction:

ImproveCLI measurement precisionVSAvoidconfiguration complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent applies universality by using the existing CSI AP trigger state configuration framework to also trigger CLI resource sets. Instead of creating a separate configuration mechanism specifically for CLI, the invention leverages the already-established CSI aperiodic triggering structure, allowing it to serve dual purposes: CSI measurement triggering and CLI measurement triggering. This reduces configuration complexity while improving CLI measurement precision through proper timing offset definition.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Measurement precision

If CLI measurements are performed without accurate timing information, then processing time is reduced, but measurement accuracy deteriorates

Engineering Contradiction:

ImproveCLI reporting accuracyVSAvoidprocessing time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-defining the aperiodic triggering offset (e.g., slotOffsetCLI) in the CLI resource set configuration before CLI measurements are performed. This advance configuration of timing information allows the UE to accurately determine when to perform CLI measurements and when to report results, improving measurement accuracy without adding significant processing time during actual operation.

Inventive Principle:

Principle #10Preliminary action

3Reliability

If aperiodic CLI resource set triggering is implemented, then reporting accuracy improves, but system complexity increases

Engineering Contradiction:

ImproveCLI reporting reliabilityVSAvoidtriggering mechanism complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the CLI resource set triggering mechanism with the existing CSI aperiodic triggering mechanism. By combining these functions into a unified configuration structure (CSI AP trigger state configuration that includes CLI resource set triggering), the invention improves CLI reporting reliability through consistent triggering while avoiding the complexity of maintaining separate triggering mechanisms. The DCI format 0_1 or 0_2 can trigger both CSI and CLI resources simultaneously or independently based on configuration.

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS20260040110A1Aperiodic configuration for cross-link interference

Publication Date: 2026.02.05 QUALCOMM INC

AI summary

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a channel state information (CSI) aperiodic (AP) trigger state configuration that triggers at least one cross-link interference (CLI) resource set that is associated with an AP triggering offset. The UE may measure CLI based at least in part on the CSI AP trigger state configuration. The UE may transmit a CLI report that indicates CLI measurements. Numerous other aspects are described.