Communication Control Device Backhaul Quality Adaptation

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Solution Overview

Problem

Existing communication systems face challenges in ensuring proper timing for control operations across multiple communication nodes due to delays in backhaul lines, which can lead to irregular control information acquisition and potential misalignment in control actions among nodes.

Innovation Solution

A communication control system that includes a control entity and an execution entity, which measure and collect backhaul quality information to adjust the application of control schemes such as interference control and CoMP transmission and reception, ensuring optimal timing and resource allocation based on backhaul line quality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If control information is transmitted through backhaul lines between multiple communication nodes, then coordinated transmission and reception can be achieved, but delays and irregularities in backhaul lines cause timing misalignment and control information acquisition deviations

Engineering Contradiction:
Improvecontrol timing accuracyVSAvoidbackhaul transmission delay
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by measuring backhaul quality in advance before control information transmission. The communication control device obtains backhaul quality information regarding delays and irregularities, then uses this pre-acquired information to determine appropriate transmission timing and control parameters, compensating for expected delays before they occur.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent implements feedback by continuously monitoring backhaul line quality and using this information to adjust control timing. The communication control device obtains backhaul quality information and uses it to determine transmission timing, creating a closed-loop system that adapts to changing backhaul conditions to maintain synchronization.

Inventive Principle:
Principle #23Feedback

2Ease of operation

If control schemes are applied without considering backhaul quality, then control operations can be simplified, but timing irregularities and delays cause misalignment in control actions among nodes

Engineering Contradiction:
Improvecontrol scheme applicationVSAvoidcontrol timing synchronization
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The patent applies parameter changes by adjusting control timing parameters based on measured backhaul quality. The communication control device obtains backhaul quality information and determines transmission timing accordingly, dynamically changing timing parameters to compensate for backhaul delays and irregularities while maintaining operational simplicity.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If backhaul quality measurement and adaptation mechanisms are implemented, then control timing accuracy is improved, but system complexity increases due to additional measurement and control functions

Engineering Contradiction:
Improvecontrol timing accuracyVSAvoidcontrol system structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies universality by designing a communication control device that performs multiple functions: backhaul quality measurement, quality information acquisition, timing determination, and control information transmission. This multi-functional approach consolidates what could be separate complex systems into a unified device, reducing overall system complexity while maintaining high timing accuracy.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP3032874B1Communication control device, communication control method, and communication device
Publication Date: 2023.03.08 SONY GROUP CORP
  • EP3032874B1 patent drawingFigure 1
  • EP3032874B1 patent drawingFigure 2
  • EP3032874B1 patent drawingFigure 3

AI summary

[Object] To be able to perform control over a plurality of communication nodes to be performed more properly. [Solution] Provided is a communication control device including: an acquisition unit configured to acquire quality-related information regarding quality of a backhaul line to be used for providing control-related information regarding control in a control scheme of radio communication to a communication node to which the control scheme is applied; and a control unit configured to control the application of the control scheme to the communication node based on the quality-related information.