OTA Platform Request Prioritization for Security Element Updates
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for remote administration of security elements in telecommunications, such as UICC cards, face inefficiencies due to regular polling that results in unnecessary wireless traffic and overload on OTA platforms, as well as a lack of distinction between urgent and non-urgent requests, leading to potential rejection of critical updates.
Innovation Solution
Implementing a method where PSK-IDs transmitted by security elements define an order of priority, with a proxy server or filtering means within the OTA platform filtering and prioritizing requests, allowing only high-priority requests to proceed, thereby reducing unnecessary traffic and ensuring timely processing of urgent updates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If regular polling is used to check for updates, then security elements can receive updates, but unnecessary wireless traffic is generated and OTA platforms become overloaded
Solution Approach 1:
The system performs preliminary actions by having the OTA platform proactively push update information to security elements before they need to be installed. This eliminates the need for repeated polling queries, as the update notification is delivered in advance when the security element first connects, significantly reducing unnecessary wireless traffic while ensuring updates are reliably delivered.
2Reliability
If regular polling is used to check for updates, then security elements can receive updates, but OTA platforms experience overload
Solution Approach 1:
The OTA platform performs preliminary actions by delivering update information during the initial connection phase. This proactive approach ensures updates are communicated before the security element enters idle mode, eliminating the need for multiple polling cycles and reducing the platform's processing load while maintaining reliable update delivery.
Solution Approach 2:
The system transforms continuous periodic polling into a single periodic push action at the beginning of the connection cycle. Instead of multiple periodic queries during idle mode, the update information is delivered once during the active connection phase, reducing platform overload while maintaining update reliability.
3Ease of operation
If all requests are treated equally, then simple updates can be processed, but urgent updates may be rejected due to platform overload
Solution Approach 1:
The system applies local quality by assigning different priority levels to different types of update requests. Critical security updates are marked with high priority flags, while routine maintenance updates have lower priority. This allows the OTA platform to differentiate and process urgent requests first, ensuring reliable delivery of critical updates even when the platform is under load, while maintaining simple processing for non-critical updates.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention relates in particular to a method for updating security elements (30) cooperating with telecommunications terminals, the updates being performed by an OTA platform (31) on the basis of queries formulated by the security elements (30), the security elements (30) transmitting PSK-IDs to the OTA platform (31), the method comprising transmitting, from the security elements (30) to the OTA platform (31), identities IDs defining an order of priority of requests for handling the queries of same by the OTA platform (31).