10/100/1G/10GBase-T PHY Device for Single and Shared Channel Networks
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Solution Overview
Problem
Conventional Ethernet networks using CSMA/CD protocol face limitations such as reduced cable reach, non-deterministic transmission intervals, and decreased throughput in multi-node applications, making them unsuitable for multi-tenant or multi-dwelling unit environments due to high installation costs and inefficiencies, particularly with applications like Voice-over-IP.
Innovation Solution
A 10/100/1 G/10 GBase-T PHY device system that enables communication over single and shared channels using switching elements controlled by MAC controllers, allowing for compatibility with existing Ethernet networks and configuring data polarity, thereby overcoming collision domain limitations and improving network performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If CSMA/CD protocol is used in conventional Ethernet networks, then network compatibility is maintained, but cable reach is limited and throughput decreases in multi-node applications
Solution Approach 1:
The patent segments the network into multiple collision domains using bridges or switches, allowing each segment to operate independently with its own CSMA/CD protocol while extending the overall network reach. This segmentation enables cable reach to exceed the traditional 100m limitation by creating hierarchical network structures.
Solution Approach 2:
The patent introduces bridges and switches as intermediary devices that regenerate and forward signals between network segments. These intermediaries extend cable reach by repealing signals and managing collision domains, allowing networks to span distances beyond the limitations of direct CSMA/CD implementations.
2Adaptability or versatility
If CSMA/CD protocol is used in conventional Ethernet networks, then network compatibility is maintained, but throughput decreases in multi-node applications
Solution Approach 1:
The patent divides the network into multiple collision domains using bridges and switches, confining collisions to individual segments rather than the entire network. This segmentation reduces collision probability and retransmission overhead, thereby improving overall network throughput in multi-node applications while maintaining CSMA/CD compatibility.
Solution Approach 2:
The patent employs bridges and switches as intermediary devices that intelligently forward frames between collision domains. These intermediaries reduce unnecessary collisions by making informed forwarding decisions, improving throughput by preventing collisions from propagating across the entire network.
3Productivity
If switches and twisted pair cabling are installed in existing multi-tenant or multi-dwelling unit environments, then network performance improves, but installation cost becomes prohibitive
Solution Approach 1:
The patent designs network equipment with multi-functionality, allowing single devices to serve multiple purposes (e.g., switches that provide both routing and switching functions, or equipment that supports multiple Ethernet standards). This universality reduces the total number of devices needed, lowering installation costs in existing environments while maintaining improved network performance.
Solution Approach 2:
The patent utilizes parameter changes in existing infrastructure, such as upgrading from 10Base-T to 100Base-TX or 1000Base-T by changing signaling parameters rather than replacing physical cabling. This approach improves network performance while minimizing installation costs by leveraging existing twisted pair infrastructure.
Data Source
AI summary
Aspects of a method and system for utilizing a 10/100/1 G/10 GBase-T PHY device for single channel and shared channel networks are provided. In this regard, at least one switching element may be utilized to configure an Ethernet over twisted pair PHY device for communication over a single and/or shared channel. The switching element may enable switching between a transmitter being coupled to a shared channel and a receiver being coupled to a shared channel. Additionally, the switching elements may be based on whether the transmitter is connected to a standard 10/100/1 G/10 GBase-T network, or to a single and/or shared channel network, for example. In this manner, the configured PHY device may remain compatible with existing Ethernet networks. The PHY device may be configured externally and/or internally. The polarity of transmitted and/or received data may be configured based on a polarity of data received from a shared channel.