Lighter-Than-Air Reflector for Temporary Cell Coverage
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Solution Overview
Problem
Conventional temporary cell sites are limited by the weight and height of their telescoping masts, which restricts coverage area and is costly to deploy due to the need for heavy-duty trucks and expensive equipment, making it impractical for temporary high-demand events.
Innovation Solution
A system using a lighter-than-air reflector tethered to the ground or air, with a source antenna on the ground, eliminating the need for a tall mast and allowing for adjustable coverage by varying the height and shape of the reflector, enabling omni or sector coverage without the weight and stability issues of traditional setups.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If conventional temporary cell sites use telescoping masts to provide coverage, then antenna height and coverage area are improved, but system weight and cost increase significantly
Solution Approach 1:
The patent applies the anti-weight principle by using helium-filled balloons to counteract the weight of the antenna system. Instead of supporting the antenna weight through a heavy telescoping mast, the system uses buoyant force from the balloons to lift and position the antenna assembly in the air, eliminating the need for a tall ground-based support structure.
2Area of stationary object
If telescoping masts are made taller to increase coverage area, then service coverage is improved, but structural stability and portability deteriorate
Solution Approach 1:
The patent replaces the mechanical telescoping mast system with an aerostatic system using helium balloons. This substitution eliminates the mechanical complexity and stability issues of tall masts while achieving the same goal of elevating antennas to provide broader coverage area without compromising portability.
3Strength
If heavy-duty trucks are used to transport temporary cell sites, then equipment support capability is improved, but deployment cost and complexity increase
Solution Approach 1:
The patent employs inexpensive, lightweight components including helium balloons and compact antenna assemblies that can be transported in standard vehicles. This approach replaces the need for expensive heavy-duty trucks and large-scale temporary cell site infrastructure, significantly reducing deployment costs while maintaining functional capability.
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 provides flexible, cost-effective, and expandable cellular coverage without the mechanical limitations of traditional systems, allowing for taller structures and broader coverage areas with reduced setup time and costs, suitable for events and emergencies.
Implementation Method 1
A temporary cell site system can include a source antenna and a lighter-than-air reflector. The lighter-than-air reflector can be any shape and size and can be used to reflect cellular, radio-frequency (RF), or other electro-magnetic signals
Implementation Method 2
The lighter-than-air reflector can be sized and shaped to reflect cellular, radio-frequency (RF), or other electro-magnetic signals from the source antenna back to cellular devices near the ground and from the cellular devices near the ground back to the source antenna
Data Source
AI summary
Systems and methods for providing temporary cell coverage using lighter than air reflectors. The system can include a balloon or airship (e.g., a blimp) with a reflective lower surface. A ground-based source antenna can be aimed at the balloon to bounce cellular, or other communications, signals off the balloon and then back to the ground. The system can provide additional wireless coverage and bandwidth in remote locations and/or areas of high demand. The coverage area of the system can be adjusted by changing the shape of the bottom surface of the balloon. The coverage area of the system can also be adjusted by changing the height of the balloon above the source antenna. A dedicated source antenna and balloon can also serve as a microwave backhaul antenna system for a temporary cell site, using a balloon with a reflective surface shaped to collimate the radio link in a desired direction.