Subscriber Device Authorization via CPE Location Verification
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Solution Overview
Problem
Existing systems face challenges in authenticating customer premises equipment (CPE) to prevent unauthorized usage and theft of cable television and other services, particularly with wireless devices, as it is difficult to ensure that CPE is located at the intended service location due to the increasing range of wireless network technology.
Innovation Solution
Implementing a location-specific CPE access device, such as a home cable modem, to authenticate subscriber devices by determining their location using methods like Media Access Control (MAC) address validation, network topology, and GPS data, ensuring that only authorized devices can access subscriber services at valid locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless network technology range is increased to provide broader service coverage, then service accessibility is improved, but the risk of unauthorized usage and CPE theft increases
Solution Approach 1:
The patent introduces a location verification intermediary system that mediates between the wireless network service and the CPE device. This system uses GPS coordinates, MAC address validation, and network topology analysis as intermediary verification layers to ensure that even though wireless range is extended, only authorized CPE at authorized locations can access services. The intermediary validation layer prevents the harmful effect of extended range by adding location-based authorization checks.
2Ease of operation
If CPE authentication is simplified to ease device operation, then ease of operation is improved, but location verification reliability deteriorates
Solution Approach 1:
The patent merges multiple verification methods (GPS location verification, MAC address validation, network topology analysis) into a single unified authentication process. This combination allows the system to maintain simple operation for the end user while internally performing multiple reliability checks. The merged verification approach ensures that location verification reliability is maintained without requiring complex user actions, as all checks are performed automatically in the background.
3Reliability
If multiple authentication methods are implemented to prevent unauthorized access, then security is improved, but device complexity increases
Solution Approach 1:
The patent implements self-service authentication where the CPE device automatically performs location verification, MAC address validation, and network topology analysis without requiring user intervention. The system autonomously gathers location data from GPS, validates device identifiers, and checks network topology to determine authorization status. This self-service approach maintains high security through multiple authentication methods while minimizing the perceived complexity for users, as the complex verification processes occur automatically in the background.
Data Source
AI summary
Systems, methods, apparatus and other mechanisms of authorizing a device to receive subscriber services via a network by comprising identifying a customer premises equipment (CPE) access device in communication with a device to be authorized for receiving subscriber services, determining a location associated with the CPE access device; and authorizing the device for receiving subscriber services if the CPE access device location is a valid location for a subscriber account associated with requested subscriber services.