Flexible Resource Usage in Wireless WTRU Numerology Blocks

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing wireless communication systems face challenges in efficiently managing and allocating resources across different numerology blocks, which affects data transmission and reception.

Innovation Solution

A method and system for flexible resource control in a wireless transmit/receive unit (WTRU) that monitors control channel regions to receive numerology block boundaries and parameters, allowing for dynamic scheduling of data transmissions based on these parameters.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If wireless communication systems use fixed resource allocation methods, then system simplicity is maintained, but resource utilization efficiency deteriorates across different numerology blocks

Engineering Contradiction:
Improveresource utilization efficiencyVSAvoidresource management complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent implements dynamic resource allocation by allowing the WTRU to receive different numerology parameters (subcarrier spacing, cyclic prefix length, symbol duration) for different numerology blocks within the same carrier. The system dynamically adjusts these parameters based on channel conditions and service requirements, enabling efficient resource utilization across varying network conditions while maintaining flexibility in resource management.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent changes key numerology parameters such as subcarrier spacing, cyclic prefix length, and symbol duration to optimize resource allocation. By varying these parameters across different numerology blocks, the system adapts to different service requirements and channel conditions, improving overall resource utilization efficiency without requiring complete system redesign.

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If the system supports multiple numerology blocks with different parameters, then adaptability improves, but control channel transmission complexity increases

Engineering Contradiction:
Improvenumerology block adaptabilityVSAvoidcontrol channel transmission complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent segments the carrier into multiple numerology blocks, each with specific numerology parameters tailored to different service requirements. This segmentation allows independent optimization of each block while maintaining overall system coherence. The control channel is accordingly divided into multiple regions, each providing parameters for its associated numerology block, enabling manageable complexity through structured organization.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces control channel regions as intermediaries between the base station and WTRU for each numerology block. These control regions transmit parameters that mediate the configuration of data channels, allowing the system to manage multiple numerologies through a standardized control mechanism that simplifies the overall transmission architecture.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If dynamic numerology parameter configuration is implemented, then resource allocation flexibility improves, but signal processing complexity increases

Engineering Contradiction:
Improveresource allocation flexibilityVSAvoidsignal processing complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies preliminary action by having the base station transmit numerology parameters in advance through control channel regions before data transmission begins. The WTRU receives and stores these parameters (subcarrier spacing, cyclic prefix length, symbol duration) beforehand, allowing it to prepare the appropriate signal processing configurations in advance. This eliminates the need for real-time parameter changes during data transmission, reducing instantaneous processing complexity while maintaining allocation flexibility.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS20250159622A1Methods for flexible resource usage
Publication Date: 2025.05.15 INTERDIGITAL PATENT HOLDINGS INC
  • US20250159622A1 patent drawing
  • US20250159622A1 patent drawing
  • US20250159622A1 patent drawing

AI summary

A method and system for flexible resource control for a wireless transmit/receive unit (WTRU) is disclosed. The WTRU may monitor a first control channel region and receive a first control channel transmission in the first control region indicating boundaries of a plurality of numerology blocks of a carrier. The WTRU may then receive a second control channel transmission in a second control channel of a second control region, wherein the second control channel transmission indicates one or more numerology parameters for at least one of the plurality of numerology blocks. The WTRU may then transmit or receive data based on the one or more numerology parameters of the one or more numerology blocks.