Chapter 18

High Throughput (HT) and 802.11n

In this chapter, you will learn about the following:

802.11n-2009 amendment

Wi-Fi Alliance certification

MIMO

Radio chains

Spatial multiplexing (SM)

MIMO diversity

Space-Time Block Coding (STBC)

Cyclic Shift Diversity (CSD)

Transmit beamforming (TxBF)

HT channels

20 MHz non-HT and HT channels

40 MHz channels

40 MHz Intolerant

Guard interval (GI)

Modulation and coding scheme (MCS)

HT PHY

Non-HT legacy

HT Mixed

HT Greenfield

HT MAC

A-MSDU

A-MPDU

Block Acknowledgement

RIFS

HT power management

HT operation

20/40 channel operation

HT protection modes (0–3)

RTS/CTS and CTS-to-self

802.11n migration and deployment

In this chapter, we discuss the most talked about Wi-Fi technology that is defined under the ...

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