Re: [BP] Wed August 4th Agenda: 802.3ap Channel Model Adhoc Confe rence Call
Justin
It is a MATLAB figure. I have attached a gif file of it in case you
don't have MATLAB.
Graeme
On Tue, 2004-08-10 at 06:42, Justin Gaither wrote:
> John,
> what kind of file is that? (.fig?)
>
> Thanks,
>
> justin
>
>
> DAmbrosia, John F wrote:
>
> > See attached figure
> >
> >
> >
> >
> >
> > -----Original Message-----
> > *From:* owner-stds-802-3-blade@LISTSERV.IEEE.ORG
> > [mailto:owner-stds-802-3-blade@LISTSERV.IEEE.ORG] *On Behalf Of *Brian
> > Brunn
> > *Sent:* Monday, August 09, 2004 11:38 AM
> > *To:* STDS-802-3-BLADE@LISTSERV.IEEE.ORG
> > *Subject:* Re: [BP] Wed August 4th Agenda: 802.3ap Channel Model Adhoc
> > Confe rence Call
> >
> >
> >
> > Hi John (and anyone else proposing coefficient changes),
> >
> >
> >
> > As part of the ongoing discussion can you attach plots of the
> > different curves?
> >
> >
> >
> > Its hard to appreciate b1=..., b2=... :-)
> >
> >
> >
> > Thanks
> >
> > Brian
> >
> >
> >
> >
> >
> > -----Original Message-----
> > *From:* owner-stds-802-3-blade@listserv.ieee.org
> > [mailto:owner-stds-802-3-blade@listserv.ieee.org]*On Behalf Of
> > *DAmbrosia, John F
> > *Sent:* Monday, August 09, 2004 10:42 AM
> > *To:* STDS-802-3-BLADE@listserv.ieee.org
> > *Subject:* Re: [BP] Wed August 4th Agenda: 802.3ap Channel Model Adhoc
> > Confe rence Call
> >
> > Joel / Steve,
> >
> > Based on the initial proposal and Steve's proposal, I came up with the
> > following coefficients:
> >
> > b1 = 1.8e-5
> >
> > b2 = 1.3e-10
> >
> > b3 = 3.98e-20
> >
> > b4 = 1.4e-30
> >
> >
> >
> > This takes advantage of Steve's proposed curve in the lower frequency
> > range, and keeps the loss where Joel's initial proposal is. I will
> > spend some time looking at real channel data with these numbers, but
> > this model addresses the general concerns that have been expressed.
> >
> >
> >
> > John
> >
> >
> >
> >
> >
> > -----Original Message-----
> > *From:* owner-stds-802-3-blade@listserv.ieee.org
> > [mailto:owner-stds-802-3-blade@listserv.ieee.org] *On Behalf Of
> > *Stephen D. Anderson
> > *Sent:* Thursday, August 05, 2004 11:23 AM
> > *To:* STDS-802-3-BLADE@listserv.ieee.org
> > *Subject:* Re: [BP] Wed August 4th Agenda: 802.3ap Channel Model Adhoc
> > Conference Call
> >
> >
> >
> >
> >
> > Joel, all:
> >
> > Regarding changes to SDD21 magnitude curve:
> >
> > 3 I propose these coefficients:
> > b1 = 2e-5
> > b2 = 1e-10
> > b3 = 3.2e-20
> > b4 = 1.38e-30
> >
> > These allow skin effect to be modeled correctly and are a better
> > lower limit to a lot of channels that have been presented.
> >
> > Regards,
> >
> > Steve A.
> >
> >
> > Joel Goergen wrote:
> >
> >> Wed August 4th Agenda:
> >> - VNA averaging, with the higher resolution, do we really need to
> >> wait the 15minutes for 16averages?
> >> - SMA De-Embedding for test cards
> >> **If you have an idea on this, please send it out to the
> >> group/refelctor today. I'm open on this and would like some thoughts.
> >> **I plan to send the new run of test cards out right after we
> >> finalize the de-embedding.
> >> - Changes to SDD21 from 50Mhz to 4.5Ghz. I want to discuss this and
> >> plan to send out the equations tonight with a 4dB drop in this range.
> >> - Group Delay Variation
> >> **I want to walk through the process for this. Petre or Jeff ...
> >> if you have a slide you could put together to show how we create
> >> this, I would appreciate it.
> >>
> >> Thurs August 12th Agenda:
> >> - Changes to crosstalk mask
> >>
> >> The remaining two meetings will be to discuss the final mask sets to
> >> present to the body for approval sept/oct.
> >>
> >> Take care
> >> -joel
> >>
> >> Joel Goergen wrote:
> >>
> >>> 802.3ap Channel Model Adhoc Conference Call times:
> >>> August 4, Wed, 10am PDT
> >>> August 12, Thurs, 10am PDT
> >>> August 19, Thurs, 10am PDT / we should consider moving this to Sept
> >>> 20th
> >>> Sept 9, Thurs, 10am PDT
> >>>
> >>> Hi Everyone,
> >>> Please set these times in your schedules. Agenda will be sent out
> >>> Monday
> >>>
> >>> -joel
> >>> ---------------------------------
> >>>
> >>> Everyone that wants to is invited to participate. Anything decided
> >>> will not be decided, but 'recommended'. Please keep that in mind.
> >>>
> >>>
> >>> Conference ID: 4379020
> >>>
> >>> Dial-in number: 8773262337
> >>>
> >>> International dial-in number: 303-928-3232
> >>> Take care
> >>> Joel Goergen
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
>
>
> --
> Justin Gaither Phone: (512)634-1305
> Xilinx, Communications Technology Div. Cell: (512)585-5659
> 805 Las Cimas Parkway Fax: 512-306-7293
> Suite 250 email: justin.gaither@xilinx.com
> Austin, TX 78746 WWW: www.xilinx.com
Models_080904_JD.gif
