Dual-Band Plastic Waveguide Links for Higher Data Rate Transmission
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Solution Overview
Problem
Existing high-speed interconnect technologies face bandwidth limitations and high costs due to copper-based electrical links and significant facility costs for optical links, necessitating a more efficient and cost-effective solution for ultra-high-speed data transmission.
Innovation Solution
A dual-band plastic waveguide transmission system that adjusts frequency bandwidths of RF signals for single sideband transmission using a plastic waveguide device and microstrip-to-waveguide transitions, enabling simultaneous transmission and reception of multiple RF signals via a low-loss wideband channel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If copper-based electrical links are used for high-speed interconnects, then electrical signal transmission is achieved, but bandwidth limitations occur due to skin loss
Solution Approach 1:
The patent replaces copper-based electrical links with plastic waveguide links, substituting electrical signal transmission with optical signal transmission. This substitution eliminates skin loss effects that limit copper-based systems while enabling ultra-high-speed data transmission through the waveguide channel.
Solution Approach 2:
The patent changes the transmission medium from conductive material (copper) to dielectric material (plastic), fundamentally altering the physical parameters of signal propagation. This parameter change enables operation at optical frequencies where skin loss does not apply, achieving wider bandwidth and higher transmission speeds.
2Speed
If optical links are used for high-speed interconnects, then bandwidth and transmission speed are improved, but significant facility costs are required for chip-to-fiber assembly and E/O and O/E conversion devices
Solution Approach 1:
The patent extracts and eliminates the need for complex E/O and O/E conversion devices by using plastic waveguides that can directly guide optical signals without requiring traditional fiber optic assembly infrastructure. This extraction of unnecessary components significantly reduces facility costs while maintaining high-speed transmission capabilities.
Solution Approach 2:
The patent employs plastic waveguide materials that are significantly cheaper than traditional optical fiber assembly infrastructure. The plastic waveguides provide a cost-effective alternative to expensive chip-to-fiber assemblies, enabling high-speed optical transmission without the associated high facility costs.
3Productivity
If dual-band transmission is implemented using plastic waveguide links, then ultra-high-speed data transmission is achieved, but frequency bandwidth adjustment complexity increases
Solution Approach 1:
The patent implements dynamic frequency bandwidth adjustment capabilities in the plastic waveguide system, allowing the cutoff frequencies to be tuned for different operating bands. This dynamic adjustment enables dual-band transmission (e.g., C-band and L-band) while maintaining manageable system complexity through integrated design features.
Solution Approach 2:
The plastic waveguide device is designed with multi-functionality to handle multiple frequency bands simultaneously. By incorporating adjustable cutoff frequency features and dual MWT configurations, the single waveguide structure serves multiple transmission purposes, reducing overall system complexity despite the enhanced functionality.
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 system achieves ultra-high-speed data transmission by adjusting cutoff frequencies, allowing for twice the data rate compared to double sideband transmission while maintaining power efficiency and reducing electromagnetic leakage.
Implementation Method 1
a plastic waveguide device configured to provide a communication channel between the RF transmitter and the RF receiver
Implementation Method 2
The plastic waveguide device may include a dielectric tube having a rectangular cross-section
Implementation Method 3
an interconnecting device including a first microstrip-to-waveguide transition (MWT) configured to transmit the first signal from the plastic waveguide device to the RF receiver
Data Source
AI summary
A dual-band plastic waveguide transmission system includes an RF receiver configured to receive, from an RF transmitter, a first signal of a first carrier frequency and a second signal of a second carrier frequency higher than the first carrier frequency; a plastic waveguide device configured to provide a communication channel between the RF transmitter and the RF receiver; and an interconnecting device including a first microstrip-to-waveguide transition (MWT) configured to transmit the first signal from the plastic waveguide device to the RF receiver, and a second MWT configured to transmit the second signal from the plastic waveguide device to the RF receiver. A frequency bandwidth of the first signal may be adjusted by the plastic waveguide device and the first MWT, and a frequency bandwidth of the second signal may be adjusted by the plastic waveguide device and the second MWT.