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JD700B Series User’s Guide
Measurement example
Figure 399 PIM detection of single radio
Performing LTE-FDD downlink signal analysis
If your JD700B series has the option 096 RFoOBSAI LTE-FDD Signal Analyzer installed with a license, you
can performs power and spectrum measurements as well as modulation analysis to test the proper
transmitter performance of FDD LTE systems over OBSAI.
This instrument provides the following measurement tools for FDD LTE system over OBSAI:
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Spectrum Analysis
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RF Analysis
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Channel Power
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Occupied Bandwidth
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Power vs. Time (Frame)
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Modulation Analysis
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Constellation
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Data Channel
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Control Channel
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Subframe
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Frame
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Time Alignment Error
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Data Allocation Map
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Power Statistics CCDF
Connecting cables
You can connect cables with a tap or without a tap as illustrated in Figure 400. If you have connected cables
directly from RRH and BBU without using the nTap, you must turn on the through mode (Thru) in the