Integrated Femtocell Set-Top Box Synchronous Data Processing
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Solution Overview
Problem
Femtocells face challenges in data processing and security due to their integration with broadband networks, which can lead to interference and regulatory issues, especially in dense urban areas with shared frequency usage, and lack effective solutions for secure data transmission and access control.
Innovation Solution
A system and method for data processing in a device with integrated set-top-box and femtocell functionality, utilizing a common clock derived from global navigation satellite system signals, enabling synchronous processing of femtocell and set-top-box functions, including data conversion, encryption, and secure transmission via cellular and multimedia channels, to address interference and regulatory issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If femtocells use licensed frequencies in dense urban areas with shared frequency usage, then coverage and capacity are improved, but interference between femtocells and macrocellular networks increases
Solution Approach 1:
The patent introduces a broadband network as an intermediary carrier for femtocell traffic. Instead of femtocells directly accessing the cellular core network through licensed frequencies, all traffic is routed through the broadband network infrastructure. This mediator approach allows frequency sharing between femtocells and macrocells while preventing direct interference, as the broadband network acts as a separate transmission path.
Solution Approach 2:
The patent segments the network architecture by separating femtocell radio access functions from the core network connection. Femtocells operate as independent radio access points connected via broadband infrastructure rather than being integrated into the traditional cellular core network. This segmentation allows independent frequency management and eliminates the need for coordinated frequency usage between femtocells and macrocells.
2Productivity
If femtocells are integrated with broadband networks, then data processing capability is improved, but security risks increase due to traffic traversing public networks
Solution Approach 1:
The patent extracts sensitive user traffic from the public broadband network by implementing a dedicated secure tunnel between the femtocell and the core network. Critical data streams are separated from general broadband traffic and encrypted end-to-end, removing them from the vulnerable public network environment while maintaining the broadband integration benefits.
Solution Approach 2:
The patent introduces security mechanisms as intermediaries within the broadband path. Encryption layers and authentication protocols are inserted into the traffic flow between femtocell and core network, acting as protective mediators that maintain data integrity and confidentiality while allowing traffic to traverse the public network infrastructure.
3Reliability
If femtocells operate in closed access scenario for private usage, then access control is improved, but network flexibility and interoperability deteriorate
Solution Approach 1:
The patent implements dynamic access control mechanisms that can adapt between closed and open access modes. The system can dynamically configure which users are allowed to access the femtocell based on subscription status, location, and network conditions. This dynamic flexibility allows the same infrastructure to serve both private exclusive access and public shared access scenarios.
Solution Approach 2:
The patent designs the femtocell system with multi-functionality to handle multiple access scenarios simultaneously. The same physical infrastructure and protocol stack support both closed access (private) and open access (public) modes, allowing a single device to serve diverse deployment requirements without requiring separate dedicated systems.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The integrated femtocell and set-top-box device enhances data security and access control by synchronously processing and transmitting data across multiple channels, improving coverage and reducing interference, while adhering to regulatory standards through secure and efficient data handling.
Implementation Method 1
data may be synchronously processed, utilizing a common clock, to perform one or more femtocell functions and/or set-top-box functions
Data Source
AI summary
Aspects of a method and system for data processing in a device with integrated set-top-box and femtocell functionality are provided. Data may be received via an integrated femtocell and set-top-box device and may be synchronously processed, utilizing a common clock, to perform one or more femtocell functions and/or set-top-box functions. The common clock may be derived from global navigation satellite system signals. The integrated femtocell and set-top-box device may convert the received data from a first to a second format. The converted data may be transmitted to a cellular enabled communication device via a cellular transmitter within said integrated femtocell and set-top-box device and/or to a multimedia device via a multimedia interface within said integrated femtocell and set-top-box device. The received data may comprise multimedia content. The integrated femtocell and set-top-box device may be operable to encode, decode, transcode, encrypt, decrypt, scramble, descramble, and present the received multimedia content.