Anritsu 3GPP, Руководство по измерениям

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TD-SCDMA/HSPA+ Signal Analyzer 4-3 TD-SCDMA/HSPA+ RF Measurements
3GPP MG PN: 10580-00234 Rev. Y 4-3
Channel Spectrum
1. Press the
Setup
main menu key.
2. Press the
More
submenu key.
a. Press the
Number of Carriers
submenu key so that the desired number is
underlined.
b. Press the
Spreading Factor
submenu key so that the desired Spreading Factor is
underlined:
Auto
,
16
, or
1
.
c. To set the Modulation Type, press the
Modulation Type
submenu key. The
Modulation Type selection window opens. Select the desired setting:
Auto
,
QPSK
,
8PSK
,
16QAM
, or
64QAM
.
d. If the channel in use has a known DwPTS signal, select
On
. If the channel in use
does not have a DwPTS signal, select
Off
. If the presence of the DwPTS is
unknown, select
Auto
.
e. If necessary, press the
Tau Offset
submenu key to specify a Tau Offset value. The
maximum value is 5 sec.
f. Press the
Back
submenu key to return to the Setup menu
3. Press the
Measurements
main menu key.
4. Press the
RF Measurements
submenu key.
5. Press the
Channel Spectrum
submenu key to activate this RF measurement view (see
Figure 4-1 ).
6. Press the
Back
submenu key again to return to the Measurements menu.
Figure 4-1. TD-SCDMA/HSPA+ Channel Spectrum