On-Premises Network Root Node Isolating MoCA Signals
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Solution Overview
Problem
Existing networks face inflexibility and compatibility issues when multiple standards are used in a single network, leading to interference and limited bandwidth utilization.
Innovation Solution
A system and method for a wide bandwidth on-premises network, utilizing a root node device that isolates and coordinates MoCA signals within the network, allowing the entire spectrum to be used for MoCA communications while filtering out external protocol signals, thereby reducing interference and enhancing flexibility across different communication standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple communication standards are used in a single network, then network compatibility is improved, but interference and signal quality deteriorate
Solution Approach 1:
The network is segmented into an external network portion and an internal on-premises network portion. The external network carries multiple communication standards (cable, DSL, wireless), while the internal network is dedicated exclusively to MoCA signals. This segmentation isolates MoCA signals from interference caused by other standards while maintaining the ability to support multiple standards externally.
Solution Approach 2:
The MoCA signal transmission is extracted from the shared external network environment and placed into a dedicated internal network infrastructure using existing coaxial cables. This extraction removes MoCA signals from the harmful electromagnetic environment of multiple competing standards while utilizing the existing physical infrastructure.
2Productivity
If the entire spectrum is used for MoCA communications, then bandwidth utilization is improved, but interference from external protocols increases
Solution Approach 1:
The frequency spectrum is segmented such that the entire cable spectrum (54-1002 MHz) is allocated for MoCA communications within the internal network, while external protocols operate on separate infrastructure. The network controller coordinates spectrum usage to maximize bandwidth utilization without exposure to external interference.
Solution Approach 2:
The on-premises network acts as an intermediary between the external multi-standard network and internal MoCA devices. It receives external signals, extracts and processes only the necessary data, and transmits it via MoCA signals on the internal network, blocking all other external protocols from causing interference.
3Reliability
If MoCA signals are isolated within the network, then signal quality is improved, but network complexity increases
Solution Approach 1:
The existing coaxial cable infrastructure performs multiple functions: it carries external cable and DSL signals from service providers while simultaneously serving as the transmission medium for internal MoCA communications. This multi-functionality eliminates the need for separate dedicated cabling, reducing overall network complexity while maintaining signal quality.
Solution Approach 2:
The network automatically manages signal isolation and coordination through the MoCA network controller, which autonomously coordinates spectrum usage and signal transmission. This self-service capability reduces the need for manual configuration and management, offsetting the increased technical complexity with automated operations.
4Reliability
If external protocol signals are filtered out, then MoCA communication reliability is improved, but filtering complexity increases
Solution Approach 1:
External protocol signals are extracted and removed at the network boundary before entering the internal MoCA network. The network controller identifies and extracts only the necessary data from external signals while leaving out all other protocols, preventing them from causing interference within the MoCA network.
Solution Approach 2:
The on-premises network infrastructure serves as an intermediary filtering layer between external multi-protocol signals and internal MoCA devices. It automatically filters out external protocols through coordinated signal processing, reducing interference while managing filtering complexity through centralized control.
Data Source
AI summary
A network device comprising: a first connector for connecting to an external network from which data may be communicated using a first frequency band in accordance with a first communications protocol; a second connector for connecting to an on-premises network; and circuitry residing in a signal path between said first connector and said second connector. The circuitry may be operable to: permit a first portion of the first frequency band to pass from the first connector to the second connector; block a second portion of said first frequency band from passing from the first connector to the second connector; and communicate, via the second connector, signals that are normally communicated in frequency ranges not including the first frequency band, into the on-premises network using the first frequency band. The signals may include packets formatted in accordance with Multimedia over Coax Alliance (MoCA) standards.