1、(R)DMASplit 8LiteXSlapOSSimpleRANRapid.Space Open Radio RoadmapRDMA DMA Split 8 LiteX SlapOS SimpleRAN Rapid.Space Open Radio RoadmapSPECIAL FOCUS:OPENRANTELCOCommercial 4G/5G deployment 2 x 1WAll-in-one solution(RAN,core,OSS/BSS)Open Source Hardware(except SBC)Single band Split8 PCIe DMA front-haul
2、LiteX for FPGA bitstreamSlapOS for resilient edge and back-haulPrototype(MWC 2024)Multi-band RDMA front-haul2 x 10W open source PA(GaN)Open Radio Station in 2024https:/ W2.4 kg1024 active Ues27+LTE/NR bandsCommercial 4G/5G deployment 4 x 40WBBU(DU/CU)and RU for D-RANProprietary hardwareMulti-band CA
3、 Split8 CPRI front-haulSlapOS for resilient edge and back-haulO-RAN management planeNO eCPRI,NO Split 7.2,NO Accelerator Prototype(MWC 2023)C-RAN based on OCP Capri(AMD)High Power Radio Units in 2024ChallengesDMA PCIe front-haul(AIO)Limited number of M.2 slots(multi-band)Limited number of PCIe lanes
4、 per M.2 slot(MIMO,100 MHz)Limited support of PTM in CPU and NIC(time synchronisation)CPRI front-haul(D-RAN,C-RAN)Few suppliers of CPRI PCIe adaptersLimited multiplexing and switching(C-RAN)Ethernet front-haul(D-RAN,C-RAN)eCPRI is expensive and inefficient with time synchronisation issues in some ca
5、sesSelected vendors get 95%discount for key partsPossible solutionsRDMA front-haulMore efficient and less expensive than eCPRISimpler multiplexing and switching than CPRILess limitations than M.2 slots for MIMO and high bandwidthModular approach for IQ sample compression unlike Split 7.2Supported by
6、 Linux kernel and many NIC vendorsOpen source implementations(ex.CERN)available for FPGAOpen Source RU firmwareAccelerate adoption by RU vendors(we need more with competitive price!)Simplify integration with OSS/BSS and RANSimplify deployme