Regenerative Satellite Payload Router with Packet Aggregation Switching
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Solution Overview
Problem
The transition from analog transponder payloads to more efficient regenerative satellite payloads is challenging due to the need for significant additional processing electronics, which complicates backward compatibility and continuous revenue flow for satellite customers.
Innovation Solution
A system and method utilizing an RF demodulator, packet aggregation switching device, and packet processing engines with programmable tables for policy-driven mapping, segregating signal traffic into circuit and packet flows, converting packet traffic into bidirectional flows, and providing downlink packet scheduling to create merged traffic, allowing for efficient regenerative satellite payload communications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If regenerative satellite payloads are implemented to improve efficiency, then bandwidth and power use are improved, but device complexity increases due to additional processing electronics
Solution Approach 1:
The patent applies universality by using a single reconfigurable packet router that can perform multiple functions: it can operate in regenerative mode for digital packet processing, in transparent mode for analog transponder compatibility, and support multiple protocol stacks (IP, IPv6, MPLS). This multi-functional approach allows the satellite payload to provide regenerative services without requiring separate dedicated hardware for each function, thereby improving bandwidth efficiency while limiting the increase in device complexity.
Solution Approach 2:
The patent implements dynamics through reconfigurable packet routers that can dynamically switch between different operational modes (regenerative/transparent) and protocol stacks based on service requirements. The system can adapt its processing capability in real-time, enabling efficient resource utilization while maintaining backward compatibility, thus achieving improved productivity without permanent complexity overhead.
2Productivity
If regenerative satellite payloads are implemented to improve efficiency, then control and bandwidth use are improved, but backward compatibility deteriorates
Solution Approach 1:
The patent applies universality by designing a packet router that can operate in both regenerative mode (for efficient digital processing) and transparent mode (for analog transponder compatibility). This dual-mode capability allows the system to maintain backward compatibility with legacy analog systems while simultaneously providing advanced regenerative services, thus improving control efficiency without sacrificing adaptability to different service types.
Solution Approach 2:
The patent uses an intermediary approach by introducing a protocol conversion layer within the packet router that can translate between different protocol stacks (IP/IPv6/MPLS) and adapt signal formats. This intermediary functionality enables seamless interoperability between legacy analog transponders and modern regenerative packet-based systems, maintaining backward compatibility while enabling efficient digital control.
3Productivity
If additional processing electronics are added to enable regenerative services, then productivity is improved, but device complexity increases
Solution Approach 1:
The patent applies universality by consolidating multiple processing functions (demodulation, packet processing, protocol conversion, encryption) into a single reconfigurable packet router platform. This multi-functional design achieves regenerative service capability without proportionally increasing device complexity, as the same hardware infrastructure supports multiple services and protocols through software configuration rather than dedicated hardware for each function.
Solution Approach 2:
The patent implements merging by combining previously separate functions (analog transponder operations and digital packet processing) into a unified packet router system. By integrating these functions into a single platform with shared processing resources, the system achieves regenerative service capability while minimizing the total amount of processing electronics required compared to having separate systems for each function.
Data Source
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AI summary
The system contains an RF demodulator. A packet aggregation switching device is in communication with the RF demodulator. At least one packet processing engine is in communication with the RF demodulator. The packet aggregation switching device controls communication between the RF demodulator and the packet processing engine. An RF modulator may also be in communication with the packet processing engine along an egress path. The packet aggregation switching device may output traffic into the egress path.