Apical Conduit Routing for FTTP Infrastructure
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Solution Overview
Problem
Current broadband access architectures for Fiber-to-the-Premises (FTTP) rely on physical cable connections or satellite transmissions, which are costly, difficult to implement and repair, and do not utilize the potential of apical conduit systems for cost efficiency, flexibility, and minimal ecological impact.
Innovation Solution
Implementing a method that routes telecommunications signals through apical conduit systems, using a combination of apical conduit components like source slots, cross slots, and bore holes to connect central offices to customer premises, and includes techniques for repairing damaged lines by splicing and reinserting them within the conduit system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If physical cable connections or satellite transmissions are used for FTTP, then broadband access is achieved, but implementation cost and repair difficulty increase
Solution Approach 1:
The patent introduces an intermediary device (optical network terminal or network interface device) that converts optical signals to electrical signals at the customer premises. This intermediary enables standard Ethernet networking while maintaining fiber optic advantages, making the system both reliable and easier to repair using conventional networking practices.
Solution Approach 2:
The patent replaces physical cable connections running to customer premises with optical fiber transmission through existing electrical conduit infrastructure. This substitution eliminates the need for new physical cable routing while maintaining reliable broadband access, and repairs can be performed by accessing existing handholes and conduits rather than locating buried cables.
2Adaptability or versatility
If physical cable connections are installed to customer premises, then broadband access is provided, but implementation cost and complexity increase
Solution Approach 1:
The patent makes the existing electrical conduit infrastructure multi-functional by using it for both its original electrical purposes and as a pathway for fiber optic cables. This universality eliminates the need for separate conduit infrastructure, reducing implementation complexity while maintaining broadband access capability to all existing electrical service locations.
Solution Approach 2:
The patent takes advantage of preliminary infrastructure (existing electrical conduits and handholes) that has already been installed throughout the service area. By performing preliminary routing through this existing infrastructure, the patent eliminates the need for new construction activities such as trenching and installing new conduits, significantly reducing implementation complexity.
3Adaptability or versatility
If aerial or buried techniques are used for cable installation, then broadband access is achieved, but cost and ecological impact increase
Solution Approach 1:
The patent uses existing electrical handholes as intermediary access points throughout the service area. These handholes serve as mediators that allow fiber optic cables to be routed through existing infrastructure without requiring new trenches or aerial installations, thereby maintaining broadband coverage while minimizing ecological disturbance to landscapes and roadways.
4Adaptability or versatility
If traditional cable routing methods are used, then broadband access is provided, but visual obstruction and aesthetic impact increase
Solution Approach 1:
The patent substitutes visible aerial cable routing with subsurface optical fiber transmission through existing electrical conduits. This substitution eliminates visual obstruction from hanging cables while maintaining broadband service delivery, as the optical fibers are concealed within the underground infrastructure and only minimal equipment (ONT or NID) is visible at customer premises.
Data Source
AI summary
Novel tools and techniques are provided for implementing FTTx, which might include Fiber-to-the-Home (“FTTH”), Fiber-to-the-Building (“FTTB”), Fiber-to-the-Premises (“FTTP”), and/or the like. In some embodiments, a method might include routing an F1 line(s) from a central office or DSLAM to a fiber distribution hub (“FDH”) located within a block or neighborhood of customer premises, via at least an apical conduit source slot. From the FDH, an F2 line(s) might be routed, via any combination of apical conduit main slot(s), cross slot(s), far-side slot(s), missile bore(s), bore hole(s), and/or conduit(s) (collectively, “Apical Conduit Components”), to a network access point (“NAP”) servicing one or more customer premises. An F3 line(s) might be distributed, at the NAP and from the F2 line(s), to a network interface device (“NID”) or optical network terminal (“ONT”) at each customer premises, via any combination of the Apical Conduit Components, which include channels in at least portions of roadways.