Digital Standard 3GPP W-CDMA (FDD) SMIQ
1125.5555.03 E-92.206
FBI MODE
OFF The FBI field is not used in the frame.
IEC/IEEE-bus :SOUR:W3GP:MST2:DPCC:FBI:MODE OFF
1 BIT The FBI field is used in the frame and is 1 bit long.
IEC/IEEE-bus :SOUR:W3GP:MST2:DPCC:FBI:MODE D1B
2 BIT The FBI field is used in the frame and is 2 bits long.
IEC/IEEE-bus :SOUR:W3GP:MST2:DPCC:FBI:MODE D2B
Note: Any changes of this parameter will affect the SLOT FORMAT
parameter (see table under SLOT FORMAT).
FBI / FBI PATTERN
Selecting the data source for the FBI field.
ALL0 All 0s are continuously entered in the FBI field.
IEC/IEEE-bus command
:SOUR:W3GP:MST2:PCPC:FBI:DATA ZERO
ALL1 All 1s are continuously entered in the FBI field.
IEC/IEEE-bus command
:SOUR:W3GP:MST2:PCPC:FBI:DATA ONE
PATT The FBI field is cyclically filled with a pattern that is up to 24 bits
long. A special pattern editor is displayed.
IEC/IEEE-bus commands:
:SOUR:W3GP:MST2:DPCC:FBI:DATA PATT
:SOUR:W3GP:MST2:DPCC:FBI:PATT #H3F, 8
MISUSE TPC FOR
OUTPUT POWER
CONTROL
TPC bits are used for W-CDMA to inform the called station if the transmit
power is being increased or decreased. If this option is activated, the given
pattern is being misused to vary one’s own transmit power over time. For each
slot, one bit of this pattern is taken to increase (bit = 1) or decrease (bit = 0)
the channel power by the stated power step (POWER STEP TPC). The upper
limit is 0 dB and the lower –60 dB.
The following envelope occurs at a channel power of 0 dB, a power step of
1.0 dB, the pattern "001110100000011" and TPC Pattern ReadOut Mode
Continuous:
Fig. 2-123 Dynamic change of channel power (continuous)
Note: Observe that the power change (as specified in the standard) is
always performed at the beginning of the slot pilot field.
IEC/IEEE-bus command :SOUR:W3GP:MST1:DPCC:TPC:MIS ON
TPC POWER STEP Size of power step in dB, if option MISUSE TPC FOR OUTPUT POWER CONTROL
is activated.
The range is –10.0 dB to +10.0 dB.
IEC/IEEE-bus command :SOUR:W3GP:MST1:DPCC:TPC:PST 1.0
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