5g Ran Protocol Stack Split Options With Required Latency And

5g Ran Protocol Stack Split Options With Required Latency And After extensive discussions, 3gpp defined two 5g nr split architectures in addition to the traditional monolithic one: option 2 – a high level centralized unit (cu) and distributed unit (du) split which is primarily a separated control and user plane. option 7 (or 7.2) – a low level split for ultra reliable low latency communication (urllc. Download scientific diagram | 5g ran protocol stack split options with required latency and throughput values in 3gpp. from publication: service based virtual ran architecture for next generation.

5g Ran Protocol Stack Split Options With Required Latency And The industry is coming to a consensus that the lower level interface that connects ru and du (fronthaul) should be ecpri, which delivers the lowest latency at a lower cost. ecpri specifies a number of split options in the protocol stack and, as figure 3 shows, these options align with 3gpp ran functional and those from the o ran alliance. In release 15, 3gpp, defined a new, flexible architecture for the 5g ran, where the base station or gnodeb (gnb) is split into three logical nodes: the central unit, (cu), the distributed unit, (du) and the radio unit, (ru), each capable of hosting different functions of the 5g nr stack. figure 1 shows the baseband unit (bbu) — a proprietary. In summary, the 5g protocols contain: the lower you go in the protocol stack, the higher the demand on processing – layer 1 & 2 combined comprise 90% of processing demands. the wide 5g mid and high bands together with massive mimo technology exponentially increase the processing demand on l1 and beamforming (figure 2). 1.2 split options figure 1 provides an overview of the different possible split options for a disaggregated ran. the top part was outlined initially in 3gpp release 14 study on radio access architecture and interfaces [2] based on an e utra protocol stack. the lower part shows the general.

5g Ran Protocol Stack Split Options With Required Latency And In summary, the 5g protocols contain: the lower you go in the protocol stack, the higher the demand on processing – layer 1 & 2 combined comprise 90% of processing demands. the wide 5g mid and high bands together with massive mimo technology exponentially increase the processing demand on l1 and beamforming (figure 2). 1.2 split options figure 1 provides an overview of the different possible split options for a disaggregated ran. the top part was outlined initially in 3gpp release 14 study on radio access architecture and interfaces [2] based on an e utra protocol stack. the lower part shows the general. Ran protocol stack split options addressing the fronthaul bandwidth challenges pdcp option 7 rlc mac phy rf ip rrc option 6 option 5 option 4 option 3 option 2 option 1 layer 1 layer 2 max. latency required bandwidth high layer low layer option 8. In order to process the e utran stack on the du and cu, 3gpp proposed eight split options as presented in fig. 1.6 . among these split options, o ran alliance adopted the split option 7.2 [2, 43]. for option 7, 3gpp separates the physical (phy) layer into high phy and low phy for the downlink (dl) and uplink (ul).

Open Ran Functional Splits Explained 5g Technology World 54 Off Ran protocol stack split options addressing the fronthaul bandwidth challenges pdcp option 7 rlc mac phy rf ip rrc option 6 option 5 option 4 option 3 option 2 option 1 layer 1 layer 2 max. latency required bandwidth high layer low layer option 8. In order to process the e utran stack on the du and cu, 3gpp proposed eight split options as presented in fig. 1.6 . among these split options, o ran alliance adopted the split option 7.2 [2, 43]. for option 7, 3gpp separates the physical (phy) layer into high phy and low phy for the downlink (dl) and uplink (ul).

Functional Splits The Foundation Of An Open 5g Ran 5g Technology World