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Complementary Code Keying.
In conjunction with DSSS [1] technology, CCK is used to encode data
for 5.5 and 11Mbps data rates in the 2.4GHz band of 802.11b wireless
networking. CCK applies sophisticated mathematical formulas to the
DSSS codes, permitting the codes to represent a greater volume of
information and then send multiple bits of information with each DSSS
code, enough to make possible the 11Mbps of data rather than the 2Mbps
in the original (Barker [2]) standard.
* Intersil CCK Primer [3]
See also PHY [4], ODFM [5].
Links:
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[1] http://melbournewireless.org.au/?DSSS
[2] http://melbournewireless.org.au/?BPSK
[3] http://www.eetasia.com/ARTICLES/2001MAY/2001MAY25_NTEK_DSP_AN.PDF
[4] http://melbournewireless.org.au/?PHY
[5] http://melbournewireless.org.au/?ODFM
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