March 2011
Intermediate to advanced
700 pages
18h 13m
English
Chapter 6
Data Frames
In this chapter, you will learn about the following:
- Data Subtypes
- QoS and Non-QoS Data Frames
- Data-carrying versus non-data-carrying frames
- Simple data frames
- Data frame address fields
- Fragmentation
- Data frame aggregation
- Rate Selection
- Multirate support
- Basic rates
- Dynamic rate selection
In this chapter, we will take a detailed look at the different data frames and discuss the purpose of each frame. Data frames transport the information across the network in the wireless portion of the user network.
Data Subtypes
The 802.11 standard defines 15 different data frames, as displayed in Table 6-1. Each data frame is represented by a Type value of 10 and a different group of 4 Subtype bits. These Type and Subtype fields ...
