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Orthogonal Frequency Division Multiplexing!

OFDM [1] is a digital frequency modulation technique used for sending
data over networks of several media, including 802.11 [2] wireless.

Particularly used for the higher 802.11g data rates (CCK [3] is still
used for the lower ones).

See also PHY [4], QPSK [5]

Links:
------
[1] http://melbournewireless.org.au/?OFDM
[2] http://melbournewireless.org.au/?802.11
[3] http://melbournewireless.org.au/?CCK
[4] http://melbournewireless.org.au/?PHY
[5] http://melbournewireless.org.au/?QPSK

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