HARQ-ACK Feedback Configuration for Wireless Signal Transmission
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Solution Overview
Problem
Current wireless communication systems face inefficiencies in wireless signal transmission and reception, particularly in next-generation communication systems requiring enhanced mobile broadband, massive Machine-Type Communications, and Ultra-Reliable and Low Latency Communications, which demand improved capacity, reliability, and latency sensitivity.
Innovation Solution
The implementation of advanced methods and apparatus in user equipment (UE) and base stations within the 3GPP NR system, including specific HARQ-ACK feedback configurations and resource management strategies, to optimize signal transmission and reception processes, particularly in unlicensed bands, ensuring efficient communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional wireless communication methods are used, then system implementation is simpler, but communication capacity and efficiency are insufficient for next-generation requirements
Solution Approach 1:
The patent segments the wireless communication system into distinct functional modules including HARQ process management units, resource allocation managers, and signal processing blocks. Each module handles specific tasks independently, enabling the system to achieve high communication capacity through specialized processing while maintaining manageable complexity through modular architecture.
Solution Approach 2:
The patent implements dynamic resource allocation and adaptive HARQ processes that adjust system parameters in real-time based on channel conditions and traffic requirements. This dynamic approach enables the system to optimize communication capacity under varying conditions while using standardized protocols to control implementation complexity.
2Reliability
If advanced HARQ-ACK feedback configurations are implemented, then reliability is improved, but processing complexity increases
Solution Approach 1:
The patent configures HARQ-ACK feedback parameters and resource allocations in advance through RRC signaling and DCI formats. By pre-configuring feedback timing, resource assignments, and process identifiers, the system achieves high reliability through comprehensive HARQ mechanisms while reducing real-time processing complexity through predetermined configurations.
Solution Approach 2:
The patent implements structured HARQ-ACK feedback mechanisms where acknowledgment information is systematically transmitted and processed through defined protocols. The feedback includes explicit ACK/NACK indicators with standardized formats, enabling reliable communication through comprehensive error detection and correction while maintaining processing efficiency through established feedback loops.
3Productivity
If resource management strategies are optimized, then transmission efficiency is improved, but system complexity increases
Solution Approach 1:
The patent implements universal resource allocation mechanisms through standardized DCI formats and resource indication methods that handle multiple transmission scenarios. The same resource management framework supports different numerologies, bandwidth configurations, and transmission modes, achieving high transmission efficiency across diverse conditions while avoiding the need for separate complex management systems for each scenario.
Data Source
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AI summary
A UE according to an embodiment of the present disclosure receives DCI through a PDCCH and transmits a HARQ-ACK report, and, based on DCI indicating a specific type codebook-based HARQ-ACK report for one-shot-based transmission of ACK/NACKs for all HARQ processes of serving cells and a UE being configured to report each new data indicator (NDI) bit through the specific type codebook-based HARQ-ACK report, even though spatial bundling is configured for a UE, may transmit a specific type codebook-based HARQ-ACK report without performing the spatial bundling.