Terminal UCI Multiplexing via Priority-Based Rate Matching
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Solution Overview
Problem
The multiplexing of uplink control information (UCI) with respect to the uplink shared channel (UL SCH) cannot be properly executed when the coefficient used for rate matching remains within a predetermined range, limiting the effectiveness of UCI transmission in 5G NR systems.
Innovation Solution
A terminal is designed with a control unit that multiplexes uplink control information on an uplink shared channel by multiplying the number of bits constituting the UCI by a coefficient, applying a specific range corresponding to the combination of UCI and UL SCH priorities, enabling appropriate UCI multiplexing and transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the coefficient for rate matching remains within a predetermined range, then the device complexity is reduced, but the multiplexing of UCI with UL SCH cannot be properly executed
Solution Approach 1:
The patent applies parameter changes by extending the coefficient range from a predetermined range to a specific range that includes values outside the predetermined range. This allows the rate matching to properly handle UCI multiplexing with UL SCH by using coefficients that can accommodate different priority combinations, thereby improving reliability without significantly increasing device complexity as the extension is systematic and rule-based
2Productivity
If a specific range corresponding to priority combinations is applied for coefficient, then UCI multiplexing effectiveness is improved, but the configuration complexity increases
Solution Approach 1:
The patent applies local quality by assigning different coefficient ranges to different priority combinations of UCI and UL SCH. Each priority combination (e.g., high priority UCI with high priority UL SCH, or low priority UCI with high priority UL SCH) receives a specifically tailored coefficient range that optimizes its transmission characteristics. This localized optimization improves productivity for each scenario while maintaining overall system manageability through structured classification
Solution Approach 2:
The patent applies dynamics by making the coefficient selection adaptive based on the detected priority combination of UCI and UL SCH. The system dynamically determines which coefficient range to use according to the actual transmission conditions, allowing optimal UCI multiplexing performance to be achieved in real-time without requiring complex manual configuration, thus balancing productivity improvement with acceptable complexity
Data Source
AI summary
A terminal includes: a control unit that multiplexes uplink control information on an uplink shared channel; and a communication unit that transmits an uplink signal using the uplink shared channel on which the uplink control information is multiplexed. The control unit multiplies a number of bits constituting the uplink control information by a coefficient in a rate matching of the uplink control information. The control unit applies, as a range of coefficient, a specific range corresponding to a combination of a priority of the uplink control information and a priority of the uplink shared channel.