About Equalization
Ad Hoc
In September 2000, the Chair of IEEE P802.3ae
(10 Gigabit Ethernet) authorized the formation of an Ad Hoc group dedicated to the
study of Equalization. To obtain the context and background, please see some
related presentations at:
http://www.ieee802.org/3/ae/public/sep00/index.html
The agenda of the Equalization Ad Hoc Group
is to submit a feasibility report to P802.3ae by March 2001. This feasibility
report will include experimental and analytical investigation and
recommendations about using electrical adaptive equalization to overcome:
- Polarization Mode Dispersion in singlemode
fiber optic links. The 1550 nm link is expected to be longer than 40
kilometers.
- Severe DMD, resulting from anomalous
refractive index profiles, present in the installed base of some multimode
fibers.
One of the key issues to be investigated will
be the nature and extent of time invariance (or lack of it) of the impulse
response of fiber as a channel. Combined effect of lasers and fiber will also
need to be addressed.
Both Serial and WDM implementations may
benefit from this study. The study will assume that the binary OOK nature of
transmitter is maintained, and equalization function is added in the receiver
only. Such links would have the potential to be backward compatible with, but
support longer distances than, the 802.3ae links.
If you have any questions, please feel free
to contact me.
Sincerely,
Vipul
Vipul Bhatt
Chair, Equalization Ad Hoc
IEEE P802.3ae
Email: vipul.bhatt@finisar.com
Phone: (408) 542-4113
Return to Ad
Hoc Equalization Home Page
Last Update: 7 Oct 00