Alireza
That is a fair question. The number is for a full echo canceller for 10GBASE-T1. You are correct that I did not do analysis suggesting 80% of DSP is used for echo canceller. I refer you to one of Aeonsemi presentation in the previous cycle that shows relative size of echo canceller as compared to total PHY (not only DSP). Unfortunately I can not provide you more information at this time but I encourage you share your own experience and analysis. I listen.
Thanks
Ahmad
Sent from Mail for Windows
From: Alireza Razavi
Sent: Thursday, July 18, 2024 6:39 AM
To: STDS-802-3-ISAAC@xxxxxxxxxxxxxxxxx
Subject: Re: [802.3_ISAAC] [Assessing Transceiver Complexity and Power for Automotive Imaging Sensors]
Ahmad,
Unfortunately, I was not able to find the material in the presentation supporting some of the statements on slide 11. For example, I could not locate the source for the statement:
“Removing echo canceller saves up to 80% of the DSP area.”
Is this based on measurements from existing products, similar to previous presentations
https://www.ieee802.org/3/dm/public/0524/Evaluation%20of%20802.3ch_Tran_050142024a.pdf
, or is it based on a particular model? If it is the latter, I would appreciate more details about the system and its assumptions.
Best regards,
Alireza
From: Ahmad Chini <chiniahmad.ieee@xxxxxxxxx>
Sent: Wednesday, July 17, 2024 8:08 PM
To: Alireza Razavi <arazavimajom@xxxxxxxxxxx>; STDS-802-3-ISAAC@xxxxxxxxxxxxxxxxx
Subject: [EXTERNAL] RE: [802.3_ISAAC] [Assessing Transceiver Complexity and Power for Automotive Imaging Sensors]
Alireza Please see in the presentation, the comparison is for DSP cost and active power. Any other analysis would be TBD future work. Thanks Ahmad Sent from Mail for Windows From: Alireza RazaviSent: Wednesday, July 17, 2024 2: 29 PMTo: STDS-802-3-ISAAC@ listserv. ieee. orgSubject:
Alireza
Please see in the presentation, the comparison is for DSP cost and active power. Any other analysis would be TBD future work.
Thanks
Ahmad
Sent from Mail for Windows
From: Alireza Razavi
Sent: Wednesday, July 17, 2024 2:29 PM
To: STDS-802-3-ISAAC@xxxxxxxxxxxxxxxxx
Subject: [802.3_ISAAC] [Assessing Transceiver Complexity and Power for Automotive Imaging Sensors]
Ahmad/Mehmet
Thank you for your presentation.
Could you provide more details about your assumptions for the materials in slide 11? Additionally, can your model or measurement compare the average and maximum power of the PHY on the camera side for EEE and time division mode? Furthermore, you compared two methods for the 2.5G/100M mode. How do these numbers change for the 10G/100M mode?
Best
Alireza
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