Episode 81 of The Space Industry podcast by satsearch is a conversation with Hans Martin Steiner, VP Institutional Space Business at Terma, about scalability and expandability with SDR technology for cutting-edge ground stations.

Terma's space business provides mission-critical electronics, software, and services for space applications.

In the episode, Hans and satsearch COO Prasad Nagendra discuss:

1. 💸 Scaling Shift - "Software Over Boxes": Traditional ground stations scale by adding costly physical modem hardware, a CapEx-heavy approach. Software-Defined Radio (SDR) technology flips this model, allowing operators to scale capacity instantly by adding compute power instead of new boxes, dramatically improving economic efficiency.

2. 🔄 Dynamic Adaptation and Flexibility: SDR technology empowers operators to dynamically change critical communication parameters, like frequencies or modulation schemes, post-launch via software updates. This capability is vital for optimizing spectrum use, mitigating unexpected interference, and extending a satellite's mission lifetime.

3. 🌐 Enabling Ground Station-as-a-Service (GSaaS): SDR is the key driver enabling ground stations to operate as a shared, virtualized service. This shift minimizes hardware investment and allows operators to move toward efficient, multi-mission models instead of maintaining dedicated, underutilized infrastructure.

4. 📈 Efficient Throughput Management: SDR's scaling flexibility efficiently addresses two extremes: small, specialized missions and high-throughput commercial operations. It allows a single station to support vastly different mission profiles instantly, ensuring maximum asset utilization across the board.

5. 🛡️ Securing the Virtualized Network: The shift to a software-defined network introduces unique cybersecurity challenges compared to traditional hardware setups. Implementing robust best practices, like Zero Trust Architecture (ZTA), is essential to securing virtual data flows and protecting critical mission operations.

6. 💡 Future Paradigms and AI Integration: Looking ahead, SDR is positioned to enable the next generation of space communication, including AI-driven adaptive networks and seamless integration with optical links. These trends will fundamentally redefine the performance and economics of global satellite communication networks within the next decade.

You can find out more about Terma on their satsearch supplier hub. And if you would like to learn more about the space industry and our work at satsearch, please take a look at our blog.

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