Networking

Channel Management for 802.11n in Wireless Deployments

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Executive Summary

IEEE 802.11n is a newly emerging wireless standard which, relative to former legacy 802.11 protocols, such as 802.11a/b/g, has a number of new mechanisms that enable multifold increases in transmission speeds. These new mechanisms include Multiple-Input-Multiple-Output (MIMO) transmission schemes as well as the option for channel bonding two 20MHz channels into a single 40MHz channel. Furthermore, 802.11n has the option of operating in the 5GHz range, which offers a larger number of subchannels to operate on in comparison to operating in the 2.4GHz range, as is the case for 802.11b/g. Given the vast bandwidth improvements 802.11n brings, vendors as well as users in wireless deployments are quickly migrating towards this new technology.

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