Dielectric Waveguide Coupler for Power Line Surface Wave Transmission
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Solution Overview
Problem
The increasing demand for bandwidth in wireless communication systems due to the proliferation of smartphones and portable devices poses challenges for traditional macrocell base stations, necessitating the expansion of backhaul networks and the deployment of small cells like microcells and picocells to provide additional mobile bandwidth.
Innovation Solution
A guided wave communication system utilizing a dielectric waveguide coupler that facilitates the propagation of electromagnetic waves along a wire surface, allowing for increased network connectivity and efficient data transmission without requiring direct electrical contact with the wire, using materials like Teflon or polyethylene, and enabling the transmission of signals over power lines as surface waves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If small cell deployment is pursued to provide additional mobile bandwidth, then network connectivity and bandwidth are improved, but device complexity and infrastructure cost increase
Solution Approach 1:
The patent introduces a waveguide coupling device as an intermediary component that couples electromagnetic waves from a waveguide to a power line. This mediator enables the power line to function as a transmission medium for communication signals without requiring direct modification of the power line infrastructure, thus improving bandwidth while minimizing infrastructure complexity changes
Solution Approach 2:
The patent enables power lines to serve dual functions: traditional electrical power delivery and electromagnetic wave transmission for communication. By making the power line multi-functional, the system can provide additional bandwidth without requiring dedicated communication infrastructure, thereby reducing overall system complexity
2Productivity
If waveguide coupling to power lines is implemented, then network connectivity is enhanced, but loss of energy may increase due to coupling losses
Solution Approach 1:
The patent employs adjustable coupling parameters including coupling coefficient, waveguide dimensions, and operating frequency to optimize the balance between power transfer efficiency and communication signal strength. By dynamically adjusting these parameters, the system can minimize energy loss while maintaining effective network connectivity
Solution Approach 2:
The system implements dynamic control of the waveguide coupling device, allowing real-time adjustment of coupling strength based on network conditions and power requirements. This dynamic adaptation enables the system to optimize performance and minimize energy losses under varying operational conditions
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 solution enhances network connectivity and bandwidth by allowing electromagnetic waves to propagate efficiently along wire surfaces, supporting multiple wave propagation modes and providing a cost-effective, low-loss method for expanding wireless communication infrastructure.
Implementation Method 1
a waveguide that facilitates propagation of a first electromagnetic wave at least in part on a waveguide surface
Implementation Method 2
the first electromagnetic wave couples at least in part to the wire surface and travels at least partially around the wire surface as a second electromagnetic wave
Data Source
AI summary
Aspects of the subject disclosure may include, for example, a system for modulating a first electrical signal to generate first modulated electromagnetic waves, and transmitting the first modulated electromagnetic waves on a waveguide located in proximity to a transmission medium. In one embodiment, the first electromagnetic waves can induce second electromagnetic waves that propagate on an outer surface of the transmission medium. The second electromagnetic waves can have a first spectral range that is divided into, contains or otherwise includes a first control channel and a first plurality of bands. Other embodiments are disclosed.