DC25_PAPER_Track06_Beyond200GChallengesTowards400GSystems_Radashkevich_V3.pdf

1、 Information Classification:General Beyond 200G Challenges Towards 400G Systems:Investigating OIF and IEEE compliant Channel Design with COM-MLSE Equalization.Implementation,Measurement and Correlation.Ilia Radashkevich,Altera Alex Manukovsky,Intel Itamar Levin,Altera I Shaked Naim,Altera Amir Laufe

2、r,Altera Information Classification:General Abstract Real-world implementation of end-to-end(E2E)links defined by 200G IEEE Ethernet and OIF compliance standards is a challenging task.A typical link is composed of multiple components:package,socket,PCB,cables,connectors,circuit loading as well as eq

3、ualization capabilities.Each component poses unique implementation and modeling challenges,on top of which accurate analysis methods predicting the link performance are essential to achieve good correlation to lab measurements.These challenges become harder looking forward toward 400G links.This wor

4、k explores the 200G E2E channel co-modeling,design implementation and its correlation with measurements,quantifies the impact of various channel components and investigates the impact of the latest COM-MLSE equalizations on channel performance.This analysis reveals link parameters significance and i

5、mpact on COM-MLSE performance versus former FFE/DFE equalizers.It outlines the main obstacles in the development of E2E channels for next generation high speed links towards 400G systems.The paper outlines key steps for the design,modeling and measurement of 200G E2E channels with good correlation b

6、etween lab results and simulation,including incorporating measured package and PCB cross-sections for improved simulation accuracy.A case study which explores how key parameters influence E2E channel performance using the proposed modeling assumptions is presented.In addition,the case study explores