The 802.11 data frame is only slightly changed by 802.11n. Figure 5-1 shows the format of an 802.11 Data frame […]

Carrier Sense/Clear Channel Assessment (CS/CCA) If the station is not currently transmitting or receiving, it listens and senses the channel […]

General 802.11 MPDU Format The technical term for an 802.11 frame is an 802.11 MAC Protocol Data Unit (MPDU) MAC […]

Direct sequence spread spectrum (DSSS) PHY specification for the 2.4 GHz band designated for ISM applications The DSSS system provides […]

802.11 Association Status Codes Code 802.11 definition Explanation 0 Successful 1 Unspecified failure For example : when there is no […]

Management Frames 802.11 management frames make up a majority of the frame types in a WLAN. Management frames are used […]

Data-Link Layer The 802.11 Data-Link layer is divided into two sublayers: The upper portion is the IEEE 802.2 Logical Link […]