W-CDMA/HSPA+ Signal Analyzer
3-3 General Measurement Setups
3GPP MG
PN: 10580-00234 Rev. V
3-5
3-3
General Measurement Setups
Please refer to the User Guide for information on selecting the W-CDMA/HSPA+ Signal
Analyzer mode, setting up frequency, amplitude, power offset for compensating external loss,
limit lines, markers, and file management.
Scrambling Code Setup
The scrambling code can be set up automatically or manually.
In Auto mode, the unit automatically locks on to the strongest scrambling code in the signal.
In Manual mode, the desired code is manually entered and the unit looks only for that specific
scrambling code.
To set up auto scrambling:
1.
Press the
Setup
main menu key.
2.
Press the
Scrambling Code
submenu key to select
Auto
.
To manually set up a Scrambling Code:
1.
Press the
Setup
main menu key.
2.
Press the
Scrambling Code
submenu key to select Manual and use the keypad, the arrow
keys, or the rotary knob to enter the desired Scrambling Code, as shown on the left side
of the screen. Press the
Enter
key to set the scrambling code.
Maximum Spreading Factor Setup
In a W-CDMA system, the number of chips per data symbol is called the Spreading Factor.
The lower the spreading factor the higher the data rate. According to the 3GPP standard, the
spreading factor can vary from 4 to 512 and the maximum spreading factor is either 256 or
512. The instrument can be set to 256 or 512 maximum spreading factors. To set up the
maximum spreading factor:
1.
Press the
Setup
main menu key.
2.
Press the
Max Spreading Factor
submenu key to select either
256
or
512
.
S-CCPCH Spreading Factor, S-CCPCH Code and PICH Code Setup
In the 3GPP specification, two optional control channels are provided for S-CCPCH and
PICH. These codes can have different spreading codes and spreading factors. The S-CCPCH
spreading factor and S-CCPCH and PICH codes can be manually entered.
1.
Press the
Setup
main menu key.
2.
Press the
S-CCPCH Spread
submenu key and manually enter the desired spreading
factor. The default value is 256.
3.
Press the
S-CCPCH Code
submenu key and manually enter the desired spreading code.
The default value is 3.
4.
Press the
PICH Code
submenu key and manually enter the desired spreading code. The
default PICH code is 16.
Note
For the most accurate results, manually enter the S-CCPCH spreading factor and
the S-CCPCH and PICH codes before taking the measurement.
Содержание BTS Master MT8221B
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Страница 24: ...1 12 Secure Environment Workplace General Information 1 10 PN 10580 00207 Rev E BTS Master UG ...
Страница 46: ...2 13 Firmware Overview Instrument Overview 2 22 PN 10580 00207 Rev E BTS Master UG ...
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Страница 119: ...Anritsu Company 490 Jarvis Drive Morgan Hill CA 95037 2809 P N 10000 00000 Revision Prelim Printed March 2014 ...
Страница 152: ...2 18 Other Menus GSM GPRS EDGE Signal Analyzer 2 18 PN 10580 00234 Rev V 3GPP MG ...
Страница 196: ...3 18 Other Menus W CDMA HSPA Signal Analyzer 3 44 PN 10580 00234 Rev V 3GPP MG ...
Страница 224: ...4 16 Other Menus TD SCDMA HSPA Signal Analyzer 4 28 PN 10580 00234 Rev V 3GPP MG ...
Страница 272: ...5 19 Other Menus LTE Signal Analyzer 5 48 PN 10580 00234 Rev V 3GPP MG ...
Страница 338: ...7 5 Coverage Mapping Menu LTE and TD LTE Coverage Mapping 7 16 PN 10580 00234 Rev V 3GPP MG ...
Страница 354: ...8 4 W CDMA EMF Menu EMF Option 444 8 16 PN 10580 00234 Rev V 3GPP MG ...
Страница 360: ...Index 4 PN 10580 00234 Rev V 3GPP MG ...
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