Femto-cell Access Controller for Zonal Presence Notification
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Solution Overview
Problem
Current cellular communication systems lack an efficient mechanism to provide location presence services, particularly in femto-cell networks, which hinders the ability to offer targeted advertising and communication services based on user location within specific geographical zones.
Innovation Solution
The implementation of a method and network elements that extend the interface between the Home Node B Gateway and the access point management system to include location presence notifications, using a Radius interface to manage registration and deregistration of user equipment, and incorporating a signal processing module in the access controller to determine zonal presence and notify the access point management system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the interface between Home Node B Gateway and access point management system is extended to include location presence notifications, then location presence services can be provided, but the device complexity increases
Solution Approach 1:
The access controller is designed to perform multiple functions: it acts as both a Home Node B Gateway for standard femto-cell access point management and as a location presence service provider by extending the interface to include registration and deregistration notifications. This multi-functionality allows a single device to handle both traditional network management and new location-based services without requiring separate dedicated systems.
2Productivity
If user equipment registration and deregistration are tracked for location presence, then targeted advertising and communication services can be offered, but the processing load and system complexity increase
Solution Approach 1:
The access controller serves as an intermediary between the access point management system and third-party services. It receives registration and deregistration messages from access points, processes location presence information, and notifies third-party services accordingly. This intermediary role centralizes the processing logic and prevents direct complex interactions between multiple systems, thereby managing processing load effectively.
3Measurement precision
If the access controller determines zonal presence and notifies the access point management system, then location tracking accuracy is improved, but the measurement and detection difficulty increases
Solution Approach 1:
The system divides the service area into specific geographical zones and implements location tracking tailored to each zone. The access controller determines zonal presence by evaluating whether user equipment is located within predetermined geographical boundaries of specific zones. This localized approach allows for precise zone-based tracking without requiring complex global positioning calculations, as each zone has defined boundaries and characteristics.
Data Source
AI summary
Location presence information is provided to advertising services by a femto-cell management system in a femto/pico-cell environment. On registration of a user equipment with a pico-cell which has been previously identified as a designated zone, the management system sends an alert to the advertising services. A SMS controller permits the advertising services to send a welcome text message including advertising content to the user equipment. The management system can also act as a centralized GSMA one API application gateway for location presence.