Siemens IEEE802.11 Tutorial page 22

DSSS Transmit Spectrum and Channels
Transmit
Spectrum
Mask
fc -22 MHz fc -11 MHz
WLAN-IEEE802.11 Tutorial (Maximilian Riegel), 021018-wlan-tutorial.ppt
Unfiltered
Sinx/x
0 dBr
-30 dBr
fc
fc +11 MHz
-50 dBr
fc +22 Mhz
Page 22 © Siemens, 2002