Radio Resource Management Apparatus for Interference Optimization

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Solution Overview

Problem

In wireless communication systems, the increasing communication traffic due to mobile devices and IoT devices leads to interference between base station devices and unsatisfied throughput for terminal devices, as existing methods do not effectively manage radio resources to optimize communication performance and reduce costs.

Innovation Solution

A radio resource management method and apparatus that acquires communication conditions from terminal devices, controls radio resources, and allocates them based on interference optimization and traffic balancing, using a management apparatus to determine radio control parameters and prices, while managing borrowed radio resources from owners, thereby reducing interference and optimizing data transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If additional radio resources (base station devices) are installed to cope with communication traffic increases, then communication capacity is improved, but installation and construction expenses increase

Engineering Contradiction:

Improvecommunication capacityVSAvoidinstallation expenses

Core Design Contradiction:

ProductivityVSQuantity of substance

Solution Approach 1:

The patent segments the radio resource management function from the base station devices themselves. The management apparatus separates control functions (resource allocation, interference coordination) from the actual radio transmission functions, allowing centralized optimization without requiring proportional increases in base station infrastructure.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent changes operational parameters of existing radio resources through dynamic resource allocation, power control, and interference coordination mechanisms. By optimizing how existing resources are used rather than adding more resources, the system increases communication capacity without proportional increases in installation expenses.

Inventive Principle:

Principle #35Parameter changes

2Quantity of substance

If radio resources are separated from core network and provided by owners, then core network operator costs are reduced, but radio resource management complexity increases

Engineering Contradiction:

Improvecore network operator costsVSAvoidradio resource management complexity

Core Design Contradiction:

Quantity of substanceVSDevice complexity

Solution Approach 1:

The management apparatus acts as an intermediary between radio resource owners and terminal devices. It handles the complexity of resource allocation, interference coordination, and quality of service management, while owners simply provide resources and receive compensation, and terminal devices simply consume services. This intermediary structure reduces complexity for both owners and core network operators.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The management apparatus provides universal management functions across multiple owners and terminal devices. It handles resource allocation, interference coordination, billing, and quality of service for diverse radio resources (base stations, small cells, wireless access points) through a single unified system, preventing complexity from multiplying with each additional owner.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Productivity

If radio resources are densely deployed to increase capacity, then communication throughput is improved, but interference between base station devices increases

Engineering Contradiction:

Improvecommunication throughputVSAvoidinterference between base station devices

Core Design Contradiction:

ProductivityVSObject-generated harmful factors

Solution Approach 1:

The management apparatus implements feedback mechanisms where terminal devices report channel conditions, interference levels, and quality of service metrics. The management apparatus uses this feedback to dynamically adjust resource allocation, power levels, and interference coordination parameters, optimizing throughput while suppressing interference in real-time.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The patent applies local quality optimization by coordinating resources specifically in interference-prone areas. The management apparatus identifies cells or frequency bands with high interference and applies targeted resource allocation, power control, or frequency assignment adjustments locally rather than uniformly across the entire network, maintaining throughput while reducing interference.

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS11570785B2Radio resource management method, management apparatus, and wireless communication system

Publication Date: 2023.01.31 FUJITSU LTD

AI summary

A radio resource management method in a management apparatus for managing a wireless network including radio resources provided by owners, the radio resource management method includes, managing radio resource information about the radio resources, acquiring, from a terminal device which uses the radio resources for communication, communication conditions representing conditions in the communication, and controlling the radio resources used by the terminal device for communication on the basis of the radio resource information and the communication conditions.