MMS Messaging Server Secured Mobile-to-Mobile Messaging

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Solution Overview

Problem

Conventional mobile-to-mobile messaging solutions compromise between security, ease-of-use, and device/service limitations, failing to provide a secure method for exchanging sensitive information across different mobile communication networks.

Innovation Solution

The implementation of a secure messaging service using Hypertext Transfer Protocol Secure (HTTPS) within the Multimedia Messaging Service (MMS) subsystem of mobile communication networks, enabling encrypted message transmission between mobile devices and third-party applications across various wireless carriers without modifying existing infrastructure or devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional mobile-to-mobile messaging solutions are used, then ease of use is maintained, but security is compromised when transmitting sensitive information

Engineering Contradiction:
ImprovesecurityVSAvoidease of use
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent introduces an application server as an intermediary component between mobile devices. This server handles secure message transmission using HTTPS protocol, allowing standard messaging clients to send secure messages without modifying the client devices. The intermediary server provides security functionality while maintaining ease of use for end users.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If secure messaging protocols are implemented, then security is improved, but device compatibility and service limitations increase

Engineering Contradiction:
ImprovesecurityVSAvoiddevice compatibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The application server is designed to work with multiple messaging service types (SMS, MMS, email, instant messaging) and supports various mobile devices without requiring device-specific modifications. The server provides universal secure messaging capability across different platforms and service types.

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

Solution Approach 2:

By placing the security implementation at the server level rather than the device level, the solution achieves broad device compatibility. Standard messaging clients can communicate with the server using existing protocols, and the server handles security uniformly for all clients regardless of device type.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If existing infrastructure is modified to provide secure messaging, then security is improved, but system complexity and implementation difficulty increase

Engineering Contradiction:
ImprovesecurityVSAvoidimplementation difficulty
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent segments the secure messaging functionality into a separate application server component rather than integrating it into existing messaging infrastructure. This modular approach allows the security feature to be added independently without modifying core messaging systems, reducing implementation complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The application server acts as an intermediary layer that interfaces with existing messaging infrastructure through standard protocols. This allows secure messaging to be implemented without modifying existing infrastructure, as the server translates between standard messaging protocols and secure transmission requirements.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS8923820B2Modified messaging server call flow for secured mobile-to-mobile messaging
Publication Date: 2014.12.30 CELLCO PARTNERSHIP INC
  • US8923820B2 patent drawing
  • US8923820B2 patent drawing
  • US8923820B2 patent drawing

AI summary

Systems and techniques are provided for transmitting a secured message from an originating device to a recipient mobile device through a mobile communication network. A secure communication channel to the recipient mobile device is established via the mobile communication network based on a request for transmission of a secured message from the originating device. A notification of the secured message including instructions for retrieving the secured message is sent to the recipient mobile device through the established secured communication channel. The recipient mobile device is authenticated based on authentication credentials associated with the recipient mobile device. The recipient mobile device is allowed to retrieve the secured message via the secure data channel of the mobile communication network using the instructions included in the notification.