802.11n --modulation--> OFDM
802.11B --modulation--> DSSS
Why CWNA book and many of the other documents saying 802.11n(support only OFDM modulation) is backward compatible with 802.11b(support only DSSS modulation)???
Thanks a lot...thank you very muchIEEE 802.11N SALIENT FEATURES
PARAMETER IEEE 802.11N STANDARD
Maximum data rate (Mbps) 600
RF Band (GHz) 2.4 or 5
Modulation CCK, DSSS, or OFDM
Number of spatial streams 1, 2, 3, or 4
Channel width (MHz) 20, or 40
https://www.electronics-notes.com/artic ... 02-11n.php
https://community.cisco.com/t5/other-wi ... -p/2677143
So, can 802.11n support DSSS modulation?IEEE 802.11N SALIENT FEATURES
PARAMETER IEEE 802.11N STANDARD
Maximum data rate (Mbps) 600
RF Band (GHz) 2.4 or 5
Modulation CCK, DSSS, or OFDM
Number of spatial streams 1, 2, 3, or 4
Channel width (MHz) 20, or 40
https://www.electronics-notes.com/artic ... 02-11n.php
https://community.cisco.com/t5/other-wi ... -p/2677143