Hi,
I have few doubts to clarify regarding 40MHz channel bonding in 11n
1. What do 40MHz upper and lower signify.
2. How Management/control/Data frames carried over,i.e if only 20MHz used for managaemnt&Control and 40MHz is used for Data.
Expert's answer40 MHz upper and lower signifies the upper and lower adjacent 20MHz bands that are bonded to create the 40MHz channel. Upper Mode and Lower Mode refer to using the upper or lower band only for data transmission. One channel is the primary/control channel and performs the same functions as it would in a single channel mode by sending and receiving data. The second channel is also able to send and receive data. This tutorial at Wireless Net Design may help aid understanding about how the management and control data operates in the different modes available in 802.11n. |
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