Conditional Access Receiver for Multi-Platform Content Delivery
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current pay delivery systems face challenges in providing secure, flexible, and compatible content delivery across different media platforms due to incompatibilities in media file formats and transmission protocols, as well as the need for secure authorization and storage.
Innovation Solution
A content delivery system that includes a receiver station with a receiver interface and controller to generate authorization requests, transmitting these to a point-to-point content delivery server for secure content delivery, using encryption and conditional access methods to ensure authorized access, and supporting multiple delivery mediums like satellite and internet-based networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple delivery mediums (satellite, internet) are supported, then adaptability is improved, but device complexity increases due to incompatible formats and protocols
Solution Approach 1:
The receiver is designed with universal functionality to handle multiple delivery mediums (satellite, internet, cable) through a unified architecture. The conditional access module and content protection mechanisms work across all platforms, allowing a single device to perform multiple functions without requiring separate specialized hardware for each delivery medium.
Solution Approach 2:
A conditional access module acts as an intermediary between the content delivery network and the receiver. This module standardizes the interaction across different platforms by implementing a common interface for authorization requests, content protection, and key management, thereby reducing the complexity of direct multi-platform integration.
2Reliability
If secure authorization and encryption are implemented, then content security is improved, but ease of operation deteriorates due to authorization requirements
Solution Approach 1:
The receiver automatically performs authorization requests and content protection operations without requiring manual user intervention. The conditional access module handles encryption, decryption, and authorization verification in the background, allowing users to access protected content seamlessly without needing to understand or configure security settings.
Solution Approach 2:
Authorization and content protection measures are implemented in advance before content delivery. The receiver pre-establishes security credentials and authorization tokens, so that when content is delivered, the security framework is already in place and operational, eliminating the need for real-time security negotiations that would complicate user interaction.
3Object-affected harmful factors
If conditional access control is enforced, then piracy prevention is improved, but productivity decreases due to authorization overhead
Solution Approach 1:
Authorization credentials and conditional access parameters are established before content delivery begins. The receiver obtains authorization tokens and decryption keys in advance, allowing content to be delivered and played back without repeated authorization checks during playback, thus minimizing the impact on content delivery speed while maintaining strong piracy protection.
Data Source
AI summary
Methods and apparatus to conditionally authorize content delivery at receivers in pay delivery systems are disclosed. An example receiver station includes a receiver interface to receive a broadcast signal, and a controller to, for a selected program, generate an authorization request and a content request. The example receiver station also includes a network interface to transmit the authorization request, to transmit the content request to point-to-point content delivery server, and to receive the program from the point-to-point content delivery server.