Dsss transmit spectrum and channels – Siemens IEEE802.11 User Manual
Page 22
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WLAN-IEEE802.11 Tutorial (Maximilian Riegel), 021018-wlan-tutorial.ppt
Page 22
© Siemens, 2002
DSSS Transmit Spectrum and Channels
fc
fc -11 MHz
fc -22 MHz
Sinx/x
fc +11 MHz
fc +22 Mhz
0 dBr
-30 dBr
-50 dBr
Unfiltered
Transmit
Spectrum
Mask
&DQQHO
86$
(76,
-DSDQ
0+]
0+]
1$
0+]
0+]
1$
0+]
0+]
1$
0+]
0+]
1$
0+]
0+]
1$
0+]
0+]
1$
0+]
0+]
1$
0+]
0+]
1$
0+]
0+]
1$
0+]
0+]
1$
0+]
0+]
1$
1$
0+]
1$
1$
0+]
1$
1$
1$
0+]
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