Get the Newest Blog Direct to your Inbox

* indicates required
  • CWNP

The 802.11 Frame Format: New and Improved.

When will the madness end?  With 802.11n, we have a newly elongated frame format.

Frame Control: 2 octets
Duration/ID: 2 octets
Address 1: 6 octets
Address 2: 6 octets
Address 3: 6 octets
Sequence Control: 2 octets
Address 4: 6 octets
QoS Control: 2 octets
HT Control: 4 octets (new!)
Frame Body: 0-7955 octets (yeah baby!)
FCS: 4 octets Continue reading...

  • CWNP

New 802.11n Features: Briefly

802.11n has many new features including Space Time Block Coding (STBC), Spatial Multiplexing (SM), Cyclic-Delay Diversity (CDD), Maximal Ratio Combining (MRC), and Transmit Beam Forming (TxBF). A great summary of these features is found in an Atheros whitepaper here:

Continue reading...

Page 39 of 39