OISLNet | 全球跨轨道星间全光互联网络与天基大容量数据传输骨干网

OISLNet 在轨提供电信级光传输能力,通过光传送网 (OTN/ITU-T G.709) 帧结构在空间激光网状链路中承载高容量客户业务。

OISLNet Space OTN Digital Transport Architecture

Hierarchical framing (OTU4 / ODUflex) over spaceborne DWDM reconfigurable optical add-drop multiplexers

Central System: Client Ingress Gateway - Ethernet, eCPRI and Fibre Channel mapping

Network Nodes

  • Client Ingress Gateway
  • Spaceborne Micro-ROADM
  • Space OTN Framer (ITU-T G.709)
  • Multi-Plane OISL Grid

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)

全球星间激光传送网、空间 OTN 与电信级在轨骨干网

Core Engineering Areas

Technical Articles

Related Cluster Architecture Specifications