Guided Wave Transmission Medium for Bandwidth and Coverage Trade-off
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Solution Overview
Problem
The increasing demand for bandwidth in wireless communication due to the proliferation of smartphones and portable devices poses challenges for traditional macrocell base stations, which require higher bandwidth capabilities, and existing wireless infrastructure struggles to efficiently manage broadband access networks.
Innovation Solution
A guided wave communication system that utilizes electromagnetic waves to propagate along transmission media such as wires and dielectric materials without the need for an electrical return path, using couplers and transceivers to launch and receive guided waves, enabling efficient data transmission over long distances with reduced propagation loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional macrocell base stations are used to provide wireless coverage, then coverage area is large, but bandwidth capability is insufficient to address increased data demand
Solution Approach 1:
The patent divides the wireless network into macrocells for broad coverage and small cells (microcells, picocells) for high-bandwidth areas. This segmentation allows different cell types to serve different functions, resolving the contradiction between coverage area and bandwidth capability.
2Productivity
If small cell deployment is pursued to provide additional mobile bandwidth, then bandwidth capability increases, but coverage area for each cell becomes much smaller
Solution Approach 1:
The patent implements a nested structure where small cells are deployed within the coverage areas of macrocells. This allows the network to maintain extensive macrocell coverage while embedding high-bandwidth small cells in specific areas, achieving both broad coverage and high bandwidth capability simultaneously.
3Adaptability or versatility
If broadband data access is provided for voice, video and Internet browsing services, then service capability increases, but network infrastructure complexity increases
Solution Approach 1:
The patent designs the small cell infrastructure to provide multiple services (voice, video, Internet browsing) through a unified platform. This multi-functionality approach allows the network to deliver diverse broadband services without proportionally increasing infrastructure complexity, as the same physical infrastructure supports multiple service types.
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 allows for the efficient transmission of data and signals over long distances with reduced loss, supporting higher bandwidth requirements without the need for electrical return paths, and can operate on various transmission media, including insulated and uninsulated wires, and dielectric materials.
Implementation Method 1
A guided wave communication system that utilizes electromagnetic waves to propagate along transmission media such as wires and dielectric materials
Implementation Method 2
The wire can be insulated or uninsulated, and single-stranded or multi-stranded (e.g., braided). In other embodiments, the transmission medium can contain conductors of other shapes or configurations including wire bundles, cables, rods, rails, pipes; non-conductors such as dielectric pipes, rods, rails, or other dielectric members
Data Source
AI summary
Aspects of the subject disclosure may include, for example, a cable can include a core, a plurality of strips of cladding disposed on the core, and a coupler that facilitates inducing electromagnetic waves that propagate along the core, where a first dielectric constant of the core exceeds a second dielectric constant of each strip of cladding of the plurality of strips of cladding, and where the electromagnetic waves propagate along the core without requiring an electrical return path. Other embodiments are disclosed.