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Rohde & Schwarz SMIQ02B - Page 206

Rohde & Schwarz SMIQ02B
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SMIQ Digital Standard IS-95 CDMA
1125.5555.03 E-92.137
MODE...
Selection between the different modes for generating a forward link signal or
reverse link signals. The REV_LINK modes will be described in the following
sections.
FWD_LINK_18 Activates the generation of a forward link signal with
up to 18 code channels (channel No. 0 to 17).
The Walsh code (WALSH CODE) and the source for
modulation data (DATA) can be determined
individually for each channel.
Each channel can be switched on/off (STATE).
The relative power (POWER) of channels 0 (pilot), 1
and 2 can be freely determined in range -30 dB to
0 dB.
The power setting of channel 3 also determines the
power setting of channels 4 to 17. This means that
channels 3 to 17 all have the same power provided
when the channels are switched on.
IEC/IEEE-bus :SOUR:IS95:MODE FLIN18
FWD_LINK_64 Activates the generation of a forward link signal with
up to 64 code channels.
Walsh codes 0 to 63 (WALSH CODE) are assigned
to the channels.
The source for modulation data (DATA) can be
determined individually for each channel.
Each channel can be switched on/off (STATE).
The relative power (POWER) of the pilot channel
(Walsh 0) can be freely determined in range -30 dB to
0 dB.
The power setting of channel 1 also determines the
power setting of channels 2 to 63. This means that
channels 1 to 63 all have the same power provided
when the channels are switched on.
IEC/IEEE-bus :SOUR:IS95:MODE FLIN64
REV_LINK Activates the generation of a reverse link signal
without channel coding. A selection between the full-
rate and half-rate mode (RATE) is possible.
IEC/IEEE-bus :SOUR:IS95:MODE RLIN
REV_LINK_CODED Activates the generation of a reverse link signal with
channel coding. A selection between the access
channel and traffic channel with different rates is
possible.
IEC/IEEE-bus :SOUR:IS95:MODE RLCO

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