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About this paper
Michele Polese, Minh Dat Nguyen, Paolo Testolina, Tommaso Melodia
Open Spectrum extends spectrum sharing into a coordinated pool of frequencies, physical infrastructure, compute, sensing, and signal-processing services. Its Spectrum Intelligent Controller combines O-RAN-style programmability, digital twins, monitoring, and service-aware scheduling; ray-tracing simulations indicate that compatible full-RF-chain sharing can improve median SINR by up to 12 dB, while poorly matched site sharing can increase interference.
Key insights
- Infrastructure sharing is conditional rather than automatically beneficial: retaining high-power or high-gain RF parameters at dense cellular sites can worsen interference, whereas compatible full-RF-chain sharing can reduce the penalty.
- Many sparse services occupy less than 10% of available time-frequency resources, with navigation and radiolocation often near 1%, creating scheduling opportunities when duty cycles and guard intervals are coordinated.
- A common bandwidth–duty-cycle abstraction may be more flexible than fixed frequency assignments, but waveform incompatibility, peak-power requirements, scalability, security, and real-time digital-twin accuracy remain open challenges.
Summary by alphaXiv.
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