October 2003
Intermediate to advanced
368 pages
9h 48m
English
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IEEE 802.11 MAC Sub-layer Frame Structure
No book on IEEE 802.11 would be complete without a description of the MAC sub-layer protocol's frame structure. One of the key operations performed by the MAC sub-layer of the Data Link layer is known as “framing,” which is the process of encapsulating the higher-layer protocol packet (which may or may not be a Network layer protocol packet) in a set of MAC sub-layer headers, and appending a MAC sub-layer trailer, which most often is simply an error-detecting sequence. Framing also includes defining an interface to the Physical layer that can support the successful exchange of long sequences of bits across the Physical medium, which in the case of WLANs is especially unreliable.
The Data Link layer header ...
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