PUCCH Repetition Configuration via Higher Layer Parameters
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current communication systems, particularly in the context of LTE and New Radio (NR) standards, face inefficiencies in managing the repetition of PUCCH transmissions, which affect communication performance between terminal apparatuses and base stations.
Innovation Solution
The implementation of higher layer parameters such as NrofSlots and RepetitionFactor-r17 to configure the number of repetitions for PUCCH transmissions, allowing for dynamic adjustment based on configuration scenarios to optimize communication efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the number of PUCCH repetitions is increased to improve communication reliability, then the reliability is improved, but the transmission time and resource consumption increase
Solution Approach 1:
The patent implements dynamic adjustment of the number of PUCCH repetitions based on configured parameters (NrofSlots for PUCCH format and RepetitionFactor-r17 for PUCCH resource). The terminal determines the repetition count adaptively according to the configured scenario, allowing the system to optimize between reliability and transmission time by selecting appropriate repetition numbers for different communication conditions
Solution Approach 2:
The patent introduces two configurable parameters (NrofSlots and RepetitionFactor-r17) that allow dynamic control of the repetition number. By changing these parameters based on different communication scenarios, the system can adjust the repetition count to achieve optimal balance between reliability improvement and time consumption, rather than using a fixed repetition scheme
2Adaptability or versatility
If multiple higher layer parameters are used to configure PUCCH repetitions, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The patent divides the repetition configuration into two separate parameters: NrofSlots applied to PUCCH format and RepetitionFactor-r17 applied to PUCCH resource. This segmentation allows each parameter to serve specific configuration scenarios independently, improving adaptability while keeping the management of each parameter relatively simple through dedicated application scopes
Solution Approach 2:
Instead of using a single complex parameter to control all repetition scenarios, the patent inverts the approach by using multiple specialized parameters (NrofSlots and RepetitionFactor-r17) where each parameter is optimized for specific configuration needs. This inversion simplifies the configuration logic by matching parameter types to their appropriate application contexts
Data Source
AI summary
A terminal apparatus includes a reception circuitry that receives a PDCCH where a DCI format is mapped; and a transmission circuitry that transmits a PUCCH corresponding to a PUCCH resource indicated based on the DCI format. A first higher layer parameter is configured for a PUCCH format corresponding to the PUCCH. In a case that a second higher layer parameter is configured for the PUCCH resource, the number of repetitions of the PUCCH is a value of the second higher layer parameter, and in a case that the second higher layer parameter is not configured, the number of repetitions of the PUCCH is a value of the first higher layer parameter.