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Re: [802.3_OMEGA] Ichiro Ogura:　Re: [802.3_OMEGA] Baseline test for IEEE 802.3cz PMD/MDI

Dear Ichiro and all,

Mission profiles for reliability are not standardized in 802.3. In general terms, in the automotive industry
each use case in an OEM requires different mission profile (e.g. it is not the same the mission profile of
an IC embedded within electronic injection unit, an IC in BMS, an IC in a cockpit display, …) because 
number of hours and ambient temperatures are in general different.

Qualification and reliability assessment in automotive is a complex topic.

I recommend you to read the contribution 
https://www.ieee802.org/3/cz/public/15_dec_2020/ortiz_3cz_01_151220_reliability_assesment.pdf

In this contribution you can find:
  • Introduction to basic basic reliability approach identifying its limitations
  • Introduction to advanced reliability assessment including why it is necessary
    • Very important to identify most of the failure modes of the devices and base technology
  • Introduction to mission profile and how it is defined
  • A mission profile that David (author) proposed as reasonably applicable to OMEGA components.

Best regards,

Rubén Pérez-Aranda 
CTO at KDPOF
_____________________________________________________________

Knowledge Development for POF, S.L.
A: Ronda de Poniente 14 2º CD, 28760, Tres Cantos (Madrid), Spain 
P: +34 91 804 33 87 Ext:110 
M: +34 689 319 866





El 2021 mar12, a las 3:25, Ichiro Ogura <i-ogura@xxxxxxxxxxxx> escribió:

Ruben and all,

Thank you for your attention and comment for my Si-photonics presentation on 10th March.

I have a general question about reliability for my next step.

Will we have a authorized mission profile to make decision or will IEEE802.3 create new test standard for automobile phy?

Let us fix the basis of discussion for the target. My apology that I am quite stranger in this field and my data seem an overkill, though.

Thank you,

Ichiro  

On 2021/03/06 0:11, Ichiro Ogura wrote:

Hi Steve,

I would like to contribute a PMD matrix for discussion as attached.

As the wavelength is important choice of PMD,  I  would like to propose to leave it open and let wavelength options for more discussion.

Particularly, for the table 300-15 in your proposal, I would like to add wavelength options as 850/980/1310nm in page 1 of my file. I add some discussion points in page 2.

I think we'd better to start the D1.1 with wavelength options and keep discussion among TF members to leach consensus.

Let us discuss next week.

Let me know your suggestions.

Thank you,

Ichiro

Ichiro Ogura, PETRA

   


On 2021/03/02 11:42, Ichiro Ogura wrote:

Steve and all,
Thank you for your material for baseline proposal.

I would like to propose the baseline proposal to include all possible PMDs that leads open discussion to build consensus.

As I presented on 26th Jan., PETRA and AIO Core are working on a baseline proposal based on Si-photonics.
Si-photonics at 1310nm has advantages in high temperature operation and reliability typically needed in automobile applications.

I will prepare our text before 5th March that will be based on;
wavelength: 1310nm
Media: OM2(500MHz-km)/ OM3,OM4(effective BW 500MHz-km)/1310nm optimized MMF(2000MHz-km)
Power budget : TBD

I appreciate your consideration.

Thank you,
Ichiro

Ichiro Ogura, PETRA
    

On 2021/02/24 0:49, Swanson, Steven E wrote:
All,
 
On the IEEE 802.3cz call today, I provided a contribution on baseline text for the PMD/MDI (attached). I would like to make a motion to adopt this text as part of the baseline text at our next interim meeting as we move to D1.0.
 
The purpose of this note is twofold:
 
  1. Can I ask you to review the contribution and let me know if you have any comments to improve the text?
  2. Can I ask you to review the contribution and let me know if I can add you as a supporter for the contribution?
 
I would like to get your input prior to Friday, March 5 so I can make any necessary changes and submit for consideration by IEEE 802.3cz at our March 16 interim meeting.
 
Thanks,
 
Steve
 
Steven E. Swanson
Senior Standards Manager
Distinguished Associate
 
Global Technology & Industry Standards
MT&E
Corning Optical Communications
4200 Corning Place
Charlotte, NC 28216
 
m 607-725-1129
 
 
Standards are a bridge between markets and technologies; whoever controls the bridge controls the future…

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