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*To*: "Joseph Babanezhad" <jobaba@platolabs.com>*Subject*: Re: [10GBASE-T] Re: [10GBT-Modeling] A question list we need to answer*From*: xichen@marvell.com*Date*: Wed, 26 Feb 2003 18:21:24 -0800*Cc*: <stds-802-3-10GBT-Modeling@ieee.org>, <stds-802-3-10GBT@ieee.org>*Sender*: owner-stds-802-3-10gbt@majordomo.ieee.org

Joseph, Good point. How about to modify the list to 7) If yes to 5), then is there any other factors (e.g., analog front-end's linearity, ADC's quantization noise, ADC's jitter-limited ENOB etc.) that may change the answer? 8) If yes to 7), then what should we do next? 9) If no to 7), then should we run more simulations such as bit-by-bit time-domain simulations (can it be implementation independent?) to verify the conclusion? Xiaopeng "Joseph Babanezhad" <jobaba@platolabs.com>@majordomo.ieee.org on 02/26/2003 05:57:49 PM Sent by: owner-stds-802-3-10gbt@majordomo.ieee.org To: xichen@marvell.com cc: <stds-802-3-10GBT-Modeling@ieee.org>, <stds-802-3-10GBT@ieee.org> Subject: [10GBASE-T] Re: [10GBT-Modeling] A question list we need to answer Xiaopeng, Your list of questions is good. However, since this is feasibility study we have to also keep some high-level implementation issues in mind. Among them would be analog front-end's linearity, ADC's quantization noise, ADC's jitter-limited ENOB etc. Joseph N. Babanezhad Plato Labs. > Hi, all, > > I think we have had some quite meaningful discussions in this group > on our project. Following George's idea, I list the following > questions that we need to answer to make constructive progress in > our discussion on this reflector and in the coming Dallas meeting. > > 1) Is the channel capacity metric meaningful in 10GBT? > 2) If no to 1), then what metric we should use to finish our work? > 3) If yes to 1), what channel/noise data we should use? (cabling > ad-hoc group is working hard on this) 4) If yes to 1), what > noise/interference cancellation levels can be achieved in the real- > world? (Dallas meeting topic, I think) 5) Is the current target > (100m CAT-5E/CAT-6) achievable based on the metric we choose? 6) If > no to 5), then what should we do next? 7) If yes to 5), then is > there more simulations (for example, time-domain simulations) need > to be carried out for verification? > > The list can be imcomplete, so please let us know your opinion. > > Best Regards, > > Xiaopeng > Marvell Semiconductor -- Open WebMail Project (http://openwebmail.org)

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