Agilent Technologies ESG Specifikace stáhnout pdf (Strana 87)

Fully Coded 3GPP W-CDMA Personality User’s and Programming Guide 2-71

ESG Family Signal Generators Using Functions

Option 200 3GPP W-CDMA User Equipment Performance Tests

1. Connect the additional equipment to the test system as shown in Figure 2-13.

a. Connect the RF output of ESG 1 to one input of the signal combiner.

b. Connect the RF output of ESG 2 to one input of the signal combiner.

c. Connect the RF output of the CW source to one input of the signal combiner.

d. Connect the signal combiner output to the RF input of the UE.

2. Adjust the amplitude of Î

to the required value.

In accordance with the 3GPP specification, adjust the amplitude of Î

−

92.7 dBm.

On ESG 1:

Press

Amplitude > −

92.7

> dBm.

3. Introduce the negative frequency offset CW interferer (I

ouw1

is made available at the RF output of the CW source. In accordance with the 3GPP

W-CDMA RF specification, the center frequency of I

ouw1

is set 10 MHz below the center

frequency of Î

. The amplitude of I

ouw1

−

46 dBm.

On the CW source:

Set the RF output frequency to 2130 MHz (or 10 MHz below the center frequency of Î

Set the RF output amplitude to

−

46 dBm.

Activate the RF output.

4. Introduce the negative frequency offset modulated interferer (I

ouw2

is made available at the RF output of ESG 2. In accordance with the 3GPP

W-CDMA RF specification, the center frequency of I

ouw2

is set 20 MHz below the center

frequency of Î

. The amplitude of I

ouw2

−

46 dBm.

On ESG 2:

Press

RF On/Off until the RF ON annunciator is displayed on ESG 2 to activate the RF

output.

5. Measure the BER of the data received by the UE on RMC 12.2 kbps (25.101 V3.3) in the

presence of the CW and modulated interferers (I

ouw1

and I

ouw2

6. The controller (or BER test platform) is measuring the bit error ratio of the UE in the

presence of all three RF output waveforms, Î

(from ESG 1) and the negative frequency

offset interferers I

ouw1

and I

ouw2

(from the CW source and ESG 2, respectively).

7. In Table 2-40, record the measured BER value in the column titled, “Negative

Frequency Offset Interferers BER Value.”

8. Compare the recorded BER value in the column titled, “Negative Frequency Offset

Interferers BER Value” to the allowable values in the column titled, “Specification

Limitations” and record the status of the UE as PASS or FAIL in the column titled,

“PASS/FAIL Status.”

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 301 302

Komentáře k této Příručce

Žádné komentáře

Agilent Technologies ESG Specifikace Strana 87

Komentáře k této Příručce

Související produkty a manuály pro Generátory energie Agilent Technologies ESG