Mobile Base Station Relocation for Public Safety Coverage

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Solution Overview

Problem

Public-safety incidents often overload communications network equipment, leading to inadequate radio-frequency coverage due to a large number of devices and personnel, necessitating additional mobile base stations, which is costly and inefficient.

Innovation Solution

The existing base stations are dynamically reconfigured and moved to optimal locations based on Quality of Service (QoS) requirements and center of mass calculations, using a mobile platform like drones or vehicles, to ensure continuous and efficient communication coverage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If additional mobile base stations are deployed to handle public-safety incidents, then communication coverage is improved, but system cost increases

Engineering Contradiction:
Improvecommunication coverage areaVSAvoidnumber of base stations
Core Design Contradiction:
Area of stationary objectVSQuantity of substance

Solution Approach 1:

The patent implements dynamic base station relocation where existing base stations are moved to optimal positions based on real-time calculation of user equipment center of gravity. Instead of deploying additional stationary base stations, the system dynamically repositions existing infrastructure to match changing coverage demands during public-safety incidents, thereby maintaining adequate coverage without increasing the quantity of base stations.

Inventive Principle:
Principle #15Dynamics

2Productivity

If base stations are moved to optimal locations based on QoS requirements, then communication efficiency is improved, but system complexity increases

Engineering Contradiction:
Improvecommunication efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system continuously monitors QoS parameters and user equipment locations, calculating the center of gravity in real-time. This feedback mechanism triggers automatic base station relocation when coverage optimization is needed, maintaining high communication efficiency through closed-loop control without requiring complex manual intervention.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The base station relocation system operates autonomously by automatically calculating optimal positions based on QoS requirements and user distribution, then executing the move without external control. This self-service capability simplifies overall system complexity by eliminating the need for manual planning and deployment decisions.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS9479943B1Method and apparatus for moving network equipment within a communication system
Publication Date: 2016.10.25 MOTOROLA SOLUTIONS INC
  • US9479943B1 patent drawing
  • US9479943B1 patent drawing
  • US9479943B1 patent drawing

AI summary

A method and apparatus for moving network equipment is provided herein. During operation, an optimal base station configuration will be determined. Currently-employed network equipment will be moved based on a determination if adequate coverage will be provided to users of the system.