Waveguide-Mode Transmission Over Copper Wires

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Solution Overview

Problem

Current DSL systems operate at lower speeds compared to fiber optic cables due to the limitations of twisted pair copper wires in supporting high bandwidth and frequency, resulting in significant propagation losses and dispersion.

Innovation Solution

The implementation of waveguide-mode transmission over copper wires, utilizing surface waves and Total Internal Reflection (TIR) waves at near THz frequencies, to enhance data transmission speeds and reduce path loss and dispersion.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If waveguide-mode transmission is implemented over copper wires, then data transmission speed and bandwidth are improved, but propagation loss and dispersion increase at high frequencies

Engineering Contradiction:

Improvedata transmission speedVSAvoidpropagation loss

Core Design Contradiction:

SpeedVSLoss of energy

Solution Approach 1:

The patent changes the transmission mode parameter from traditional TEM mode to waveguide modes (TE10, TM10, etc.), enabling copper wires to transmit signals at near-THz frequencies with reduced propagation loss and dispersion compared to conventional DSL transmission-line mode

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent replaces the electrical conduction-based transmission mechanism with electromagnetic waveguide-mode transmission, allowing copper wires to function as waveguides rather than simple conductors, thereby achieving fiber-optic-like transmission speeds over copper infrastructure

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Speed

If fiber optic cables are used for high-speed transmission, then bandwidth and transmission speed are improved, but installation cost increases significantly

Engineering Contradiction:

Improvetransmission speedVSAvoidinstallation cost

Core Design Contradiction:

SpeedVSEase of manufacture

Solution Approach 1:

The patent makes copper wires multi-functional by enabling them to support both traditional low-speed DSL service and high-speed waveguide-mode transmission simultaneously, allowing existing infrastructure to serve dual purposes and eliminating the need for separate fiber deployment

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent replicates fiber-optic-like transmission performance over copper wires by using waveguide modes, creating a functional copy of fiber capabilities without requiring physical fiber installation, thereby achieving similar speeds at lower cost

Inventive Principle:

Principle #26Copying

3Adaptability or versatility

If traditional transmission-line mode is used in DSL systems, then compatibility with existing copper infrastructure is maintained, but maximum bandwidth is limited to below 800 MHz

Engineering Contradiction:

Improvecompatibility with existing infrastructureVSAvoidbandwidth

Core Design Contradiction:

Adaptability or versatilityVSSpeed

Solution Approach 1:

The patent introduces dynamic adaptability by enabling copper wires to operate in multiple transmission modes (traditional TEM mode for legacy services and waveguide modes for high-speed data), allowing the system to dynamically select the appropriate mode based on service requirements while maintaining compatibility with existing infrastructure

Inventive Principle:

Principle #15Dynamics

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

This approach enables data transmission rates comparable to those of fiber optic systems, with reduced energy loss and increased bandwidth, while leveraging existing copper infrastructure for cost-effective deployment.

Implementation Method 1

utilizing surface waves and Total Internal Reflection (TIR) waves at near THz frequencies

Methodology Applied

Scientific EffectTotal Internal Reflection: Total Internal Reflection

Implementation Method 2

utilizing surface waves and Total Internal Reflection (TIR) waves at near THz frequencies

Methodology Applied

Scientific EffectSurface wave propagation: Surface Acoustic Wave

Data Source

PatentUS12267123B2Systems and methods for implementing high-speed waveguide transmission over wires

Publication Date: 2025.04.01 ASSIA SPE LLC

AI summary

Various embodiments describe communication systems for implementing high-speed transmission systems using waveguide-mode transmission over wires. In certain examples, a communication system uses wire pairs as “waveguides” that transmit data at high frequencies and speeds. The data is transmitted through wave propagation that takes various forms, such as surface waves and Total Internal Reflection (TIR) waves.