eUICC Notification Retry Management for Power Efficiency

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Solution Overview

Problem

In electronic devices with embedded eUICC, repeated notification attempts to external servers for profile management can lead to resource and power wastage when responses are not successful, as current systems do not efficiently handle failure responses.

Innovation Solution

An electronic device is configured with a wireless communication circuit, a secure element storing profile information including notification configuration, and a processor that obtains notification configuration, transmits profile management notifications, and retries transmissions based on failure responses from external servers, utilizing notification configuration information to manage retry timers and counts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the LPA repeatedly retries notification transmission until success, then the notification will eventually be delivered, but resources and power are wasted due to continuous retry attempts

Engineering Contradiction:
Improvenotification deliveryVSAvoidpower waste
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The system performs preliminary action by obtaining notification configuration information (including retry counts and timer settings) before attempting notification transmission. This pre-configuration allows the system to execute retries according to predetermined parameters rather than continuously, preventing unnecessary power consumption while ensuring reliable delivery within defined limits.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system changes parameters by using notification configuration information to dynamically adjust retry behavior. Instead of fixed continuous retrying, the system modifies the retry process based on configured retry counts and timer intervals, optimizing the balance between delivery reliability and energy consumption.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If the LPA continuously retries notification transmission, then notification delivery is ensured, but resource waste occurs due to repeated transmission attempts

Engineering Contradiction:
Improvenotification deliveryVSAvoidresource waste
Core Design Contradiction:
ReliabilityVSLoss of substance

Solution Approach 1:

The system performs preliminary action by obtaining notification configuration information (including retry counts and timer settings) before attempting notification transmission. This pre-configuration allows the system to execute retries according to predetermined parameters rather than continuously, preventing unnecessary resource consumption while ensuring reliable delivery within defined limits.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system changes parameters by using notification configuration information to dynamically adjust retry behavior. Instead of fixed continuous retrying, the system modifies the retry process based on configured retry counts and timer intervals, optimizing the balance between delivery reliability and resource consumption.

Inventive Principle:
Principle #35Parameter changes

3Loss of energy

If the system implements efficient retry management with configuration information, then power and resource waste is reduced, but device complexity increases due to additional configuration handling

Engineering Contradiction:
Improvepower efficiencyVSAvoidconfiguration management
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The system applies self-service by having the secure element store notification configuration information (retry counts, timer settings) that the LPA automatically retrieves and uses for retry management. This self-configuring approach reduces the need for complex external control mechanisms while improving power efficiency through intelligent retry behavior.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system uses feedback by obtaining notification configuration information from the secure element and using it to adjust retry behavior based on transmission outcomes. This feedback mechanism enables automatic optimization of retry parameters without requiring complex external control systems.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS11316629B2Method carried out by electronic device comprising secure element, and electronic device
Publication Date: 2022.04.26 SAMSUNG ELECTRONICS CO LTD
  • US11316629B2 patent drawing
  • US11316629B2 patent drawing
  • US11316629B2 patent drawing

AI summary

An electronic device, according to one embodiment, comprises: a wireless communication circuit for providing at least one cellular wireless communication; a secure element comprising profile information associated with the wireless communication, the profile information including notification configuration information; at least one processor operatively connected to the wireless communication circuit and the secure element; and a memory operatively connected to the at least one processor, wherein the at least one processor may acquire the notification configuration information from the secure element, transmit a notification associated with profile management to an external server, acquire a response indicating the failure of the notification from the external server as a response to the notification, and retry transmitting the notification on the basis of the notification configuration information. In addition, various embodiments are possible as identified in the specification.