Chapter 6
Wireless Networks and Spread Spectrum Technologies
In this chapter, you will learn about the following:
Industrial, Scientific, and Medical bands (ISM)
900 MHz ISM band
2.4 GHz ISM band
5.8 GHz ISM band
Unlicensed National Information Infrastructure bands (UNII)
UNII-1 (lower band)
UNII-2 (middle band)
UNII-2 Extended
UNII-3 (upper band)
3.6 GHz band
4.9 GHz Public Safety band Future Wi-Fi frequencies
60 GHz
White-Fi
Narrowband and spread spectrum
Multipath interference
Frequency hopping spread spectrum (FHSS)
Hopping sequence
Dwell time
Hop time
Modulation
Direct sequence spread spectrum (DSSS)
DSSS data encoding
Modulation
Packet Binary Convolutional Code (PBCC)
Orthogonal Frequency Division Multiplexing (OFDM)
Convolutional coding ...
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