LEO Satellite Constellation Mesh with Gateway-Free Routing
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Solution Overview
Problem
Existing communication systems face challenges in providing global data, voice, and video services with high throughput and resilience, often requiring multiple hops through numerous gateways and facing issues with security and interference from geostationary satellites.
Innovation Solution
A modular, scalable, and software-configurable satellite system with active phased array antennas and embedded channelization and packet processing functionality, enabling point-to-point communication through a mesh network of LEO and GEO satellites, avoiding ground hops and gateways, and utilizing adaptive cognitive spatiotemporal software for dynamic path optimization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple hops through numerous gateways are used for communication, then global coverage is achieved, but security and resiliency are compromised
Solution Approach 1:
The satellite constellation is divided into multiple orbital layers (GEO, MEO, LEO) with satellites in each layer performing specific functions. This segmentation allows direct inter-satellite communication within layers and controlled handoffs between layers, reducing dependency on ground gateways and improving security while maintaining global coverage.
Solution Approach 2:
The system transitions from traditional two-dimensional ground-based communication to three-dimensional space-based communication by utilizing vertical orbital layers. This adds a spatial dimension to the network architecture, enabling direct satellite-to-satellite paths that bypass ground gateways and reduce communication hops.
2Productivity
If LEO satellites are deployed at a single altitude, then system simplicity is maintained, but interference management and spectral efficiency are reduced
Solution Approach 1:
The LEO constellation is segmented into multiple altitude layers rather than operating at a single altitude. This vertical segmentation creates distinct operational zones that reduce co-channel interference and enable frequency reuse across different layers, improving spectral efficiency while managing complexity through structured orbital assignment.
Solution Approach 2:
Different orbital layers are assigned different frequency assignments and operational characteristics optimized for their specific altitude and coverage requirements. This local optimization allows each layer to operate with tailored parameters, improving overall spectral efficiency while maintaining manageable system complexity through differentiated local configurations.
3Reliability
If ground gateways are used for satellite communication, then infrastructure utilization is improved, but landing rights and security are compromised
Solution Approach 1:
The system extracts and removes the dependency on ground gateways from the communication path by implementing direct inter-satellite links and inter-orbital communication capabilities. This extraction eliminates security vulnerabilities associated with ground infrastructure while maintaining operational simplicity through automated satellite-based routing and handoff procedures.
Solution Approach 2:
The satellite constellation performs its own communication routing and handoff operations autonomously without requiring ground gateway intervention. Satellites in different orbital layers can directly communicate and transfer data packets between themselves, enabling the system to serve itself and eliminating security risks associated with external ground infrastructure.
Data Source
AI summary
In some embodiments, a communications system can include a plurality of low earth orbit (LEO) satellites deployed at different altitudes and configured to communicate with one or more terrestrial devices and with one another. The communications system may further include a plurality of geosynchronous (GEO) satellites deployed above the plurality of LEO satellites. The plurality of LEO satellites may cooperate with one another and with the plurality of GEO satellites to provide a global communication network having redundant point-to-point communication.