Siemens IEEE802.11 Instrukcja Użytkownika Pobierz pdf (Strona 22)

WLAN-IEEE802.11 Tutorial (Maximilian Riegel), 021018-wlan-tutorial.ppt Page 22 © Siemens, 2002

DSSS Transmit Spectrum and Channels

fc -11 MHzfc -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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Siemens IEEE802.11 Instrukcja Użytkownika Strona 22