Cell Site Technical Access Categories for Wireless Network Scalability
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Solution Overview
Problem
Mobile network operators face challenges in differentiating network portions and restricting user equipment (UE) access to specific cell sites without re-provisioning existing or new subscribers, especially when introducing new sites or markets, as existing solutions are not scalable for commercial nationwide deployments.
Innovation Solution
The system categorizes each cell site into technical access categories (TACs) and restricts UE access based on TACs and subscriber characteristics, allowing new cell sites to be electronically categorized without re-provisioning existing subscribers, and automatically changes UE access as cell sites graduate to production TACs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional access control methods are used to restrict UE access to specific cell sites, then access control capability is provided, but re-provisioning of existing or new subscribers is required which reduces scalability and increases complexity
Solution Approach 1:
The network is segmented into different Technical Access Categories (TACs) based on characteristics such as commercial availability, voice certification, and data certification. Cell sites are assigned to specific TACs, and UEs are restricted to access only cell sites within their authorized TACs. This segmentation eliminates the need for re-provisioning subscribers when new cell sites are added, as the TAC-based structure automatically accommodates new sites without requiring individual subscriber configuration changes.
2Productivity
If new cell sites are introduced in existing markets or new markets are launched, then network expansion is achieved, but existing solutions are not scalable and require re-provisioning which increases deployment time and complexity
Solution Approach 1:
Cell sites are pre-categorized into TACs during deployment based on their characteristics (commercial availability, voice/data certification status). Subscribers are pre-configured with their authorized TACs during initial provisioning. When new cell sites are introduced or markets are launched, they are simply assigned to appropriate existing TACs or new TACs are created, eliminating the need for re-provisioning existing subscribers and enabling rapid network expansion.
3Adaptability or versatility
If subscribers are provisioned differently for new sites or markets, then access control is achieved, but the provisioning process becomes more complex and time-consuming
Solution Approach 1:
The TAC-based access control system provides a universal framework that handles all access control requirements through a single mechanism. Instead of creating different provisioning processes for different scenarios (new sites, new markets, existing sites), the system uses the same TAC assignment and UE-TAC association approach for all cases. This universal approach simplifies operations while maintaining the ability to differentiate access across various network portions.
Data Source
AI summary
A system of a wireless telecommunication network may categorize each cell site of a plurality of cell sites in the network into at least one respective technical access category (TAC) of a plurality of TACs. The plurality of TACs may include one or more TACs indicating one or more characteristics of a portion of a network provided by a cell site. For each user equipment device (UE) of a plurality of UEs, the system restricts access of the UE to particular cell sites of the network based on respective TACs of the particular cell sites. The restricting access of the UE to particular cell sites may also be based on characteristics of the UE or a subscriber associated with the UE.