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Rohde & Schwarz SMIQ02B - Page 252

Rohde & Schwarz SMIQ02B
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SMIQ Digital Standard 3GPP W-CDMA (FDD)
1125.5555.03 E-92.183
(FILTER...) ROLL OFF
FACTOR
Setting value for the roll-off factor. The setting is only
possible if a COS or SQRCOS filter is selected under
FILTER.
IEC/IEEE bus :SOUR:W3GP:FILT:PAR 0.22
FILTER MODE
Selection of filter mode.
LOW_ACP Filter for lowest adjacent-channel power.
IEC bus :SOUR:W3GP:FILT:MODE LACP
LOW_EVM Filter for lowest error vector magnitude.
IEC bus :SOUR:W3GP:FILT:MODE LEVM
CHIP RATE
VARIATION
Input value of chip clock frequency. The value for CHIP
RATE from the main menu is preset. CHIP RATE
VARIATION changes the output clock, the modulation
bandwidth and the output sync signals. It has no effect
on the calculated chip sequence. The value range is
100 cps to 18 Mcps.
IEC bus :SOUR:W3GP:CRAT:VAR 4096001
----------------------Assistant/Enhanced Functions------------------------------------------------------------
PARA. PREDEF.
Calling parameterized predefined settings. This menu item is only available in
the downlink. For a description of this function see section 2.14.2.2.
ENHANCED
CHANNELS BS1/MS1
Calling an operating menu for the configuration of extended functions of the
digital standard 3GPP W-CDMA. The menu item is available only if option
SMIQB48 is installed. For more detail on this menu see section 2.15.1.
OCNS CHANNELS
Simulation of Orthogonal Channel Noise. The menu item can be accessed
only in the downlink an is available provided option SMIQB48 is installed. For
more detail on this menu see section 2.15.1.
ADDITIONAL MS
BASED ON MS4
Simulation of up to 50 further mobile stations. The menu item can be
accessed only in the uplink and is available provided option SMIQB48 is
installed. For more detail on this menu see section 2.15.1.
----------------------Graphics------------------------------------------------------------
CCDF
A complementary cumulative distribution function is calculated and displayed
using the signal in the waveform memory. For details see section 2.14.2.3.
CCDF TRACES
The number of simultaneously displayed CCDF traces can be set. For details
see section 2.14.2.3.
CONSTELLATION
The constellation diagram for the signal in the waveform memory is calculated
and displayed. For details see section 2.14.2.4.

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