Hybrid High-Altitude Platform and Drifting Balloon Telecommunications Network
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Solution Overview
Problem
Telecommunications systems using stationary high-altitude platforms face limitations in coverage area due to altitude restrictions and 'blind spots' caused by obstacles, while networks of drifting balloons provide unreliable and variable coverage.
Innovation Solution
A telecommunications system combining stationary high-altitude platforms with a fleet of drifting balloons to extend coverage beyond line-of-sight areas and improve service quality, using bidirectional communication links between platforms and balloons, and user terminals equipped with spatial diversity devices for enhanced signal reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the flight altitude of stationary high-altitude platforms is increased to expand coverage area, then the coverage radius increases, but the platforms encounter stronger winds that make stationary positioning difficult
Solution Approach 1:
The system divides the coverage area into multiple segments, each served by a stationary platform at optimized altitude. Multiple platforms work in coordination to provide comprehensive coverage without requiring any single platform to operate at excessively high altitudes where wind conditions become unmanageable.
Solution Approach 2:
Drifting balloons serve as intermediary relay nodes between user terminals in blind spots and stationary platforms. These balloons extend coverage to areas obstructed by terrain or buildings without requiring the stationary platforms to increase their altitude into high-wind zones.
2Object-affected harmful factors
If stationary platforms are positioned at higher altitudes to overcome obstacles, then line-of-sight coverage improves, but the platforms cannot remain stationary due to strong winds
Solution Approach 1:
The system adds a vertical dimension to coverage by deploying drifting balloons at various altitudes between the ground and stationary platforms. This multi-level vertical arrangement allows signals to bypass ground-level obstacles without requiring stationary platforms to operate in high-wind upper atmosphere zones.
3Area of stationary object
If a network of drifting balloons is used to extend coverage, then coverage area increases, but the coverage becomes unreliable and variable
Solution Approach 1:
The system merges the advantages of both stationary platforms and drifting balloons into a hybrid architecture. Stationary platforms provide stable, reliable core coverage at optimized altitudes, while drifting balloons supplement coverage in difficult-to-reach areas, creating a synergistic system that achieves both extensive coverage and high reliability.
Solution Approach 2:
The system implements feedback mechanisms where drifting balloons continuously report their positions and signal quality to network controllers. This enables dynamic adjustment of balloon trajectories and resource allocation to maintain reliable coverage despite the balloons' drifting nature, ensuring consistent service quality across the extended coverage area.
Data Source
AI summary
A telecommunications system comprises: at least one station placed on a stationary high-altitude platform comprising propulsion means for remaining stationary around a specified point, the station being suitable for establishing at least one direct bidirectional communication link with another stationary high-altitude platform station; at least one network gateway station on the ground, for setting up communications between a core network and at least one station placed on a stationary high-altitude platform; a plurality of stations placed in drifting balloons for establishing a direct bidirectional communication link with at least one station placed on a stationary high-altitude platform or/and at least one other station placed in a drifting balloon; and a plurality of user terminals for establishing a direct bidirectional communication link with a station placed on a stationary high-altitude platform or/and at least one station placed in a drifting balloon.