2-19
Making Measurements
Measurements
Bit Error Rate
Measurement
The Bit Error Rate measurement allows you to test the sensitivity of the mobile
phone’s receiver. By reducing the signal transmitted by the Agilent 8922M/S, you
can test the ability of the receiver to accurately decode its incoming signal. Data bits
that are decoded are sent back to the Agilent 8922M/S. The Agilent 8922M/S
compares them to original signal that was sent out and the differences are derived
from this. The audio echo function that works in the Cell Control screen is turned off
when making a BER measurement.
Method
To run a bit error rate test, select the
BIT ERROR
field in the cell control screen.
This reveals the bit error measurement screen.
This test will run automatically if you set the
Single/Cont
field to CONT. To run
a test set the
Run/Stop
field to RUN. This toggle field start/stops the BER test (1)
ratio, see Figure 2-10 on page 2-19.
NOTE
There are two sets of results displayed.
•
Intermediate Results - this is a running total of the bit errors as the bits are being
tested (2), (this is useful where a large number of bits are being tested).
•
Final Results - this shows the completed BER (3). This is displayed after all the
bits have been tested.
Figure 2-10
Bit Error Rate Measurement
3
2
1
4
Summary of Contents for 8922M
Page 8: ...Contents Contents 6...
Page 21: ...1 1 1 Installing Your Agilent 8922M S...
Page 24: ...1 4 Installing Your Agilent 8922M S Fuses and Power Cords Power Cords Agilent Part Agilent...
Page 29: ...2 1 2 Making Measurements...
Page 59: ...2 31 Making Measurements If You Have Problems with a Measurement Figure 2 16...
Page 61: ...2 33 Making Measurements If You Have Problems with a Measurement Trigger Range For Pulsed RF...
Page 75: ...2 47 Making Measurements Advanced Features...
Page 76: ...3 1 3 Verifying Performance...
Page 106: ...3 31 Verifying Performance Agilent Technologies 8922M S Specifications...
Page 236: ...4 130 Screens Tests...
Page 237: ...5 1 5 Keys...
Page 238: ...5 2 Keys Key Map Key Map...
Page 276: ...6 28 Connectors Timing Diagrams Figure 6 3 Digital Demod Timing Diagram...
Page 277: ...6 29 Connectors Timing Diagrams Figure 6 4 Frequency Hop Timing Specification Table...
Page 278: ...6 30 Connectors Timing Diagrams Figure 6 5 RF Generator Hop Address Source Ext Timing Diagram...
Page 279: ...6 31 Connectors Timing Diagrams Figure 6 6 RF Analyzer Hop Address Source Ext Timing Diagram...
Page 280: ...6 32 Connectors Timing Diagrams Figure 6 7 RF Generator Hop Address Source Int Timing Diagram...
Page 281: ...6 33 Connectors Timing Diagrams Figure 6 8 RF Analyzer Hop Address Int Timing Diagram...
Page 282: ...6 34 Connectors Timing Diagrams Figure 6 9 Reset Hop Once Address Source Int Timing Diagram...
Page 284: ...6 36 Connectors Timing Diagrams Figure 6 11 Hop Inhibit Address Source Int Timing Diagram...
Page 297: ...8 1 8 Instrument BASIC...
Page 341: ...A 1 A APPENDIX A...
Page 364: ...A 24 APPENDIX A Protocol Log of a Typical Call...
Page 365: ...B 1 B Glossary...
Page 370: ...B 6 Glossary...
