UICC Tracking Area Identifier Storage Segmentation

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Solution Overview

Problem

Current wireless communication systems face challenges in efficiently storing and processing large amounts of Tracking Area Identities (TAIs) on Universal Integrated Circuit Cards (UICC), which are essential for enabling device functions based on location in advanced networks like 5G, due to space constraints and the UICC file system not being optimized for this type of storage.

Innovation Solution

The system splits the Tracking Area Identifier into two parts: a Mobile Country Code and Mobile Network Code stored in one data structure, and a Tracking Area Code stored in another, using a bit map to enable functions based on location, allowing for efficient storage and processing of up to 65,533 TAIs on a UICC in approximately 8,500 bytes of space.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If Tracking Area Identities are stored on UICC using conventional file system methods, then storage capacity is limited, but the system cannot efficiently handle large amounts of TAI data required for 5G networks

Engineering Contradiction:
Improvenumber of Tracking Area IdentitiesVSAvoidstorage structure complexity
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The TAI identifier is segmented into two distinct parts: the Mobile Country Code (MCC) and Mobile Network Code (MNC) stored in a first data structure, and the Tracking Area Code (TAC) stored in a second data structure. This segmentation allows the system to efficiently manage and store a large number of TAIs (up to 65,533) on the UICC by organizing them in a structured manner that optimizes both storage capacity and retrieval efficiency, directly resolving the contradiction between storage quantity and structural complexity.

Inventive Principle:
Principle #1Segmentation

2Productivity

If all Tracking Area Identities are stored in a single data structure, then data retrieval is simplified, but storage space efficiency decreases

Engineering Contradiction:
Improvedata processing efficiencyVSAvoidstorage space utilization
Core Design Contradiction:
ProductivityVSQuantity of substance

Solution Approach 1:

By dividing the TAI storage into two separate data structures (one for MCC-MNC and another for TAC), the system achieves optimal storage space utilization on the UICC while maintaining efficient data processing. The segmented approach allows each data structure to be optimized for its specific function, enabling the system to store up to 65,533 TAIs in approximately 8,500 bytes, thus improving both productivity and storage efficiency simultaneously.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention introduces a two-dimensional storage approach where TAIs are organized across multiple data structure dimensions rather than a single flat structure. The first dimension stores MCC-MNC information and the second dimension stores TAC information, allowing for more efficient space utilization while maintaining fast retrieval capabilities through the structured organization.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS11432124B2Storing tracking area identities onto a universal integrated circuit card in advanced networks
Publication Date: 2022.08.30 AT&T INTELLECTUAL PROPERTY I L P
  • US11432124B2 patent drawing
  • US11432124B2 patent drawing
  • US11432124B2 patent drawing

AI summary

Facilitating storage of tracking area identities onto a universal integrated circuit card for advanced networks (e.g., 4G, 5G, and beyond) is provided herein. Operations of a system can comprise storing a first part of a tracking area identifier in a first data structure and a second part of the tracking area identifier in a second data structure. The operations can also comprise designating the second part as first data indicators and second data indicators. Further, the operations can comprise enabling a function for usage by a mobile device based on a setting that corresponds to a first data indicator of the first data indicators and a second data indicator of the second data indicators. The first data indicator and the second data indicator can be selected based on a tracking area identity associated with network devices of a network servicing the mobile device.