Acknowledgement Signaling Combined Error Evaluation
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Solution Overview
Problem
Current wireless communication technologies face challenges in achieving high reliability and low latency, particularly in scenarios requiring low Block Error Rate (BLER), which existing acknowledgement signaling methods like HARQ struggle to address effectively.
Innovation Solution
The method involves a radio node in a Radio Access Network (RAN) that transmits acknowledgement signaling based on combined error evaluation for multiple transmission data streams, using a combination indication to determine whether acknowledgment signaling for one stream should be evaluated with another, allowing for flexible and efficient error detection and correction across data streams.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional HARQ acknowledgement signaling is used for each transmission data stream separately, then the system maintains simplicity in error evaluation, but it fails to achieve high reliability and low latency simultaneously
Solution Approach 1:
The patent combines multiple transmission data streams into a single evaluation unit, where acknowledgement signaling is generated based on the combined error evaluation of multiple streams rather than evaluating each stream independently. This merging approach reduces the number of separate acknowledgement signals and timing requirements, thereby reducing latency while maintaining or improving reliability through diversified transmission paths.
2Reliability
If separate error evaluation is performed for each transmission data stream, then the error detection is straightforward, but the system cannot achieve high reliability with low latency
Solution Approach 1:
Multiple transmission data streams are merged into a single evaluation context, where the receiver performs combined error evaluation on aggregated data from multiple streams and generates a single acknowledgement signal. This reduces the complexity of managing multiple separate acknowledgement signaling processes while achieving high reliability through the diversity of combined transmission paths.
3Measurement precision
If multiple separate acknowledgement signals are transmitted for multiple data streams, then each stream is individually monitored, but the overall system latency increases
Solution Approach 1:
The patent merges multiple data streams into a single evaluation unit that produces a unified acknowledgement signal. This combining approach maintains precise error detection by evaluating all streams together while reducing the time required for acknowledgement signaling, as a single combined evaluation replaces multiple separate evaluation and signaling processes.
Data Source
AI summary
There is disclosed a method of operating a radio node in a Radio Access Network, RAN. The method includes transmitting acknowledgement signaling pertaining to at least two transmission data streams in which the acknowledgement signaling is determined based on performing a combined error evaluation pertaining to the at least two transmission data streams based on a combination indication obtained by the radio node. The present disclosure also pertains to related methods and devices.