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OFDM Wireless LANs: A Theoretical and Practical Guide
book

OFDM Wireless LANs: A Theoretical and Practical Guide

by John Terry, Juha Heiskala
December 2001
Intermediate to advanced content levelIntermediate to advanced
336 pages
8h 42m
English
Sams
Content preview from OFDM Wireless LANs: A Theoretical and Practical Guide

MAC Frame Formats

The IEEE 802.11 MAC fundamentally exists to facilitate exchange of data frames for different applications between two WLAN stations, employing the support of the PHY layer. A typical instance might be two stations exchanging a file using the FTP program. The FTP program is then the application, and the file to be exchanged is broken down into small data chunks called MAC service data units (MSDUs). The MAC layer accepts MSDUs and adds headers and trailers to create MAC protocol data units (MPDUs) and passes them over to the PHY layer for transmission. In the world of MAC frames, it is convenient to think of these MPDUs as so-called data frames.

The exchange of data frames with suitable headers and trailers enables the passage ...

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Publisher Resources

ISBN: 0672321572Purchase book