Remote SIM Access via Radio Gateway for Restricted Areas

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Solution Overview

Problem

In secure facilities or areas without cell reception, individuals face challenges in communicating or accessing mobile devices and cellular services, limiting their ability to send and receive messages or make voice calls.

Innovation Solution

A method and apparatus that allow users to remotely access and assign subscriber identity modules (SIMs) to a global network of radio communications gateways, enabling communication via these gateways, even from locations separate from the SIM or mobile device, using a web browser or dedicated application, with safeguards for authorized access.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If mobile devices are used for communication, then communication capability is provided, but access is restricted in secure facilities or areas without cell reception

Engineering Contradiction:
Improvecommunication capabilityVSAvoidaccessibility in restricted areas
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The system separates the SIM card from the mobile device, allowing the SIM to remain in a secure facility while the mobile device operates independently. The SIM card is assigned to a radio communications gateway rather than being physically coupled with the mobile device, enabling communication from restricted areas without requiring the SIM to be present at the communication point.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A radio communications gateway acts as an intermediary between the SIM card and the mobile device. The gateway receives communication requests from mobile devices and routes them through the assigned SIM card to the global cellular network, enabling communication in areas where the SIM cannot physically accompany the device.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If SIM cards are physically assigned to mobile devices, then cellular service is provided, but the device must be physically present at the SIM location

Engineering Contradiction:
Improvecellular serviceVSAvoidremote access
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system divides the traditional SIM-device coupling into separate components: the SIM card remains at its assigned location (secure facility or gateway), while the mobile device operates independently. This segmentation allows the SIM to provide cellular service remotely without requiring physical presence at the device location.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system creates a virtual representation of the SIM card's functionality through the radio communications gateway. The gateway copies the SIM's identification and authentication functions, allowing the mobile device to access cellular service through the gateway's simulation of SIM presence without the physical SIM being at the device location.

Inventive Principle:
Principle #26Copying

3Adaptability or versatility

If remote SIM access is enabled, then communication from separated locations is possible, but security and authorized access control become complex

Engineering Contradiction:
Improveremote communicationVSAvoidaccess control system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The radio communications gateway serves as a secure intermediary that manages the complex access control logic. Rather than implementing complex security directly in the SIM card or mobile device, the gateway mediates between them, handling authentication, authorization, and secure communication routing, thereby centralizing complexity in a controlled environment.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system implements automated authentication and assignment mechanisms where SIM cards are automatically assigned to gateways and mobile devices based on predefined criteria. The gateway autonomously manages the remote SIM access process, reducing the need for manual security intervention and simplifying the user experience while maintaining robust security controls.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS10581926B2Apparatuses and methods for communication using a subscriber identity module
Publication Date: 2020.03.03 NTREPID LLC
  • US10581926B2 patent drawing
  • US10581926B2 patent drawing
  • US10581926B2 patent drawing

AI summary

Systems, methods, apparatuses, and computer program products for utilizing cellular technology to communicate from locations that are separate or physically distant from the location of a subscriber identity module (SIM) and/or physically separate from a mobile or cellular device are provided. One method may include receiving a request from a user to remotely access at least one physical SIM that is assigned to a global network of radio communications gateways, and assigning at least one of the SIMs to one of the radio communications gateways, so that the assigned SIM is able to route communication to or from the user via its assigned radio communications gateway.