Re: [STDS-802-3-EPOC] PHY Link Ad Hoc Notes
Ed, et al.,
Since it is not recorded in the minutes, but it was brought up on the call,
I feel it is important enough to bring it up again. I would really
appreciate if there were no more surprise presentations brought forward for
discussion. It is hard enough to have to examine proposals on the fly on a
small screen, written in minuscule font, but it is also wasteful in terms of
time to have to formulate opinions on complex topics like PLC, its framing
etc., on the fly. I think we would be better served being able to preview
the presentations before the meeting.
With that said, I plan to develop an alternative framing proposal for the
next call and distribute the draft presentation by next Monday. I would
encourage everybody to follow similar approach and give other participants
at least one working day to go through the materials ahead of the call.
Regards
Marek Hajduczenia, PhD
ZTE Portugal
Standard Development and Industry Relations
Edifício Amoreiras Plaza,
Rua Carlos Alberto da Mota Pinto, nr. 9 - 6 A,
1070-374 Lisbon, Portugal
Office: +351 213 700 090
Fax: + 351 213 813 349
Mobile: +351 961 121 851 (Portugal)
From: Ed (Edward) Boyd [mailto:ed.boyd@xxxxxxxxxxxx]
Sent: Wednesday, 03 April, 2013 9:31 PM
To: STDS-802-3-EPOC@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-3-EPOC] PHY Link Ad Hoc Notes
All,
I have attached the slides from today?s call. Here is the a summary of the
call.
1) Editor for PLC
a. Most of PLC will be in the PCS and handled by Marek (digital and
framing)
b. Saif/Joe will handle the rest of it in the PMA.
2) Huawei and Broadcom presented a Downstream Command Format proposal
(at the end of the slides)
a. Efficient method to set blocks of configuration registers in the
PHY.
b. Marek has concerns about errors in the PLC and impact to
incrementing address.
c. Do we need to have FEC and CRC in PLC? Do we need to worry about
undetected errors multiplying?
d. Qualcomm wants to consider no address and a fixed register set for
PLC.
3) Baseline Proposal Review (slides 34-35)
a. One or more PLCs in the downstream is not clear.
b. 1MHz granularity for setting PLC location
c. General support for 6MHz min size of EPoC spectrum around PLC.
Question on whether it could be 24MHz?
d. PLC hunting is a vendor specific algorithm but MDIO controls needs
to be define. Bill K will make presentation.
e. 8 or 16 carriers for PLC are adjacent.
Thanks,
Ed?
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Broadcom Corporation | (O) 707-792-9008 | (M) 707-478-1146
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