November 28, 2009

CCK

Last modified: Tuesday, October 01, 2002 

Short for Complementary Code Keying, a set of 64 eight-bit code words used to encode data for 5.5 and 11Mbps data rates in the 2.4GHz band of 802.11b wireless networking. The code words have unique mathematical properties that allow them to be correctly distinguished from one another by a receiver even in the presence of substantial noise and multipath interference.

CCK works only in conjunction with the DSSS technology that is specified in the original 802.11 standard. It does not work with FHSS. CCK applies sophisticated mathematical formulas to the DSSS codes, permitting the codes to represent a greater volume of information per clock cycle. The transmitter can 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 standard.

 
Related Categories

Networking Standards

Wireless Computing

Related Terms

802.11

DSSS

FHSS

Shopping
CCK Products
Compare Products,Prices and Stores

Shop by Category:
Wireless Access Points
347 Model Matches

Wireless Adapters
522 Model Matches

Routers
319 Model Matches

Security Solutions