Terminal UL Transmission Control Using Multiple Panels

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Solution Overview

Problem

Current radio communication systems face challenges in appropriately controlling uplink (UL) transmission using multiple panels, which can lead to system performance degradation such as reduced throughput.

Innovation Solution

A terminal equipped with a receiving section to receive configuration information for physical uplink control channels (PUCCH), physical uplink shared channels (PUSCH), and uplink simultaneous transmission using multiple panels, and a control section to manage resource selection and transmission based on this information.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If UL transmission using multiple panels is implemented to improve throughput and reliability, then system performance is enhanced, but control complexity and resource management difficulty increase

Engineering Contradiction:
ImproveUL throughputVSAvoidtransmission control complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent segments the UL transmission control by introducing separate configuration information for different panels (first configuration information for PUCCH, second configuration information for PUSCH, third configuration information for simultaneous transmission). This segmentation allows independent optimization of each panel's transmission parameters while maintaining overall system coordination, thereby managing complexity through structured division of control elements.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent applies preliminary action by pre-configuring transmission parameters through higher-layer signaling before actual UL transmission occurs. The terminal receives and stores configuration information for multiple panels in advance, which enables rapid and coordinated simultaneous transmission without requiring complex real-time control decisions, thus reducing operational complexity while maintaining high throughput.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If simultaneous UL transmission using multiple panels is supported for one or more TRPs, then UL reliability is improved, but resource management complexity increases

Engineering Contradiction:
ImproveUL reliabilityVSAvoidresource management
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent enables dynamic resource management for simultaneous UL transmission by allowing the terminal to adaptively select and configure resources for multiple panels based on received configuration information. The system dynamically adjusts transmission parameters for each panel while maintaining coordination with the network, achieving high reliability through flexible resource allocation without requiring overly complex manual management.

Inventive Principle:
Principle #15Dynamics

3Manufacturing precision

If configuration information for multiple panels is received and processed, then transmission control accuracy is improved, but processing complexity increases

Engineering Contradiction:
Improvetransmission control accuracyVSAvoidconfiguration processing complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent resolves processing complexity by organizing configuration information into distinct dimensional categories: first configuration information for PUCCH resources, second configuration information for PUSCH resources, and third configuration information for simultaneous transmission parameters. This multi-dimensional organization allows the terminal to process each configuration type independently through dedicated processing paths, achieving accurate control without overwhelming processing complexity.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS20250185011A1Terminal, radio communication method, and base station
Publication Date: 2025.06.05 NTT DOCOMO INC
  • US20250185011A1 patent drawing
  • US20250185011A1 patent drawing
  • US20250185011A1 patent drawing

AI summary

A terminal according to an aspect of the present disclosure includes: a receiving section that receives first configuration information related to a physical uplink control channel (PUCCH), second configuration information related to a physical uplink shared channel (PUSCH), and third configuration information related to uplink simultaneous transmission using multiple panels; and a control section that controls, based on the first configuration information, the second configuration information, and the third configuration information, selection related to a resource for the PUSCH and transmission of at least one of the PUSCH and the PUCCH. An aspect of the present disclosure enables UL transmission to be appropriately controlled even when the UL transmission is performed using multiple panels.