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:
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[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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