OISLComm | Comunicazioni Laser Inter-Satellite Ottiche e Fotonica Spaziale

OISLComm standardizza i collegamenti ottici inter-satellite (OISL): crosslink da 100 Gbps a 1 Tbps con ricetrasmettitori coerenti a 1550nm e precisione sub-microradiante.

OISLComm 100 Gbps Coherent Intersatellite Optical Crosslink

Sub-micro-radian acquisition, tracking, and pointing (ATP) pipeline between orbital planes

Central System: 1550nm DFB Seed Laser - Radiation-hardened EDFA booster (+33 dBm)

Network Nodes

  • 1550nm DFB Seed Laser
  • Fast Steering Mirror (FSM)
  • Coherent Optical DSP
  • Orbital Ephemeris Pointing

Architectural Protocol Layers

  • Spaceborne PHY/MAC Layer (3GPP Rel-17 TS 38.300): Doppler compensation, HARQ disabling, and timing advance extension.
  • Orbital Mesh Routing (CCSDS / Delay-Tolerant Networking): Dynamic topology routing over intermittent laser crosslinks.
  • Regenerative Core Processing (OpenRAN / 3GPP CU-DU Split): Onboard user plane function (UPF) local breakout.

Key Metrics: < 18ms (LEO Orbit-to-Ground Roundtrip) | 100 Gbps (Optical Crosslink Throughput) | ±48 kHz (Doppler Shift Compensation) | 99.999% (Orbital Constellation Availability)

Collegamenti Ottici Inter-Satellite (OISL), Comunicazioni Laser Coerenti a 1550nm

Core Engineering Areas

Technical Articles