Measurement Guide Agilent Technologies E7495A/B - TRS-RenTelco

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W-CDMA or W-CDMA (with HSDPA) Over Air W-CDMA or W-CDMA (with HSDPA) Over Air Using the W-CDMA or W-CDMA (with HSDPA) Over the Air Tool screens are divided into two sections in the Zoom view (default–Figure 20-1 on page 580) and five sections in the Full view (Figure 20-2 on page 581) as follows: • Zoom view: The top-left graph (Code Domain Trace View) shows the power in all 512 OVSF (Orthogonal Variable rate Spread Factor) Code Channels. Code channels have variable width depending on the Spread Factor for the channel. SF512 has 512 code channels with each channel 1 unit in width. SF256 has 256 channels with each channel 2 units in width. The width continues to double for SF128, SF64, and so forth. The Y-axis labels display the relative power (dB) or absolute power (dBm), threshold level, and dB/division. The X-axis labels display active channel numbers. The light blue section on the bottom bar corresponds with the section displayed in zoom view (described below). The red line across the graph represents the active channel threshold. The control channels are in the color indicated in “Channel Descriptions and Acronyms”. Active code channels shown on the display include: • Red - Common Pilot Channel (CPICH) • Yellow - Primary common control channel (P-CCPCH) • Green - Secondary common control channel (S-CCPCH); if enabled under the Setup menu • Light blue - Paging Indication Channel (PICH) if enabled under the Setup menu; also P-SCH • Purple - S-SCH • Orange - Active DPCH traffic channels • Light yellow - Active HS-PDSCH (QPSK and 16QAM) traffic channels • Noise (light gray) • Full view: The top-left graph (Code Domain Trace View) shows the power in the first half of the OVSF channels (SF512 channels 0 - 255). The lower-left graph shows the power in the other half of the channels (SF512 channels 256-511). The code channel appearance and colors are the same as described above. • Zoom view: The lower-left graph (Zoom View) shows the power in the section of the graph highlighted in light blue in the top-left graph, a section of 32, 64, 128, or 256 codes. • Zoom and Full views: The top-right graph (Strongest Pilot View) contains the pilot dominance and multipath power parameters. This shows the strongest Scrambling Codes seen by the test set. Active codes, that is, codes that reach or 578 Chapter 20
W-CDMA or W-CDMA (with HSDPA) Over Air Using the W-CDMA or W-CDMA (with HSDPA) Over the Air Tool exceed the Threshold Level, are indicated by having their Scrambling Code displayed on the X-axis. Codes that do not reach the Threshold Level are considered inactive, and do not have their Scrambling Code displayed. The Scrambling Code of interest should clearly dominate. The display is useful when positioning the test set to see what other base stations or sectors need to be avoided. Awareness of these two parameter values helps you be sure that you are making valid measurements on the sector of interest. • Full view: The lower-right graph (Control View) shows the power in the control channels (see “Channel Descriptions and Acronyms”). The ∆ (delta) power (relative to CPICH) is shown in the middle of the control bars. • Zoom and Full views: The bottom portion (Metrics View) displays 15 measurement parameters for the current measurement, displayed in three columns and five rows—each with a value and units. For more information about the metric display, refer to “Metrics Provided by the W-CDMA or W-CDMA (with HSDPA) Over Air <strong>Measurement</strong>” on page 601. The frequency reference indicator is at the bottom right corner of the screen, the time reference indicator at the bottom left. For each indicator the text indicates which reference you have chosen. A green LED indicates a locked condition. A red “X” indicates an unlocked condition. W-CDMA or W-CDMA (with HSDPA) Over Air NOTE In W-CDMA or W-CDMA (with HSDPA), the P-SCH and S-SCH are not assigned OVSF codes and therefore do not appear in the code domain trace view. The <strong>E7495A</strong>/B features a control channel graph view (Control View) for these two Sync channels to measure power only, since there are no OVSF codes associated with these channels. They have special non-orthogonal codes and are only On 10% of the time Table 20-1 Channel Descriptions and Acronyms Acronym Full Name Viewable in Which Display Area CPICH Common Pilot Channel Visible in all views (red bar) PCCPCH SCCPCH Primary Common Control Physical Channel Secondary Common Control Physical Channel Visible in all views (yellow bar) Visible in all views (green bar) Chapter 20 579
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Measurement Guide Agilent Technolog
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Where to Find the Latest Informatio
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Contents Table of Contents Displayi
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Contents Table of Contents 7. CDMA
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Contents Table of Contents Viewing
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Contents Table of Contents Calibrat
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Contents Table of Contents Setup Bu
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Contents Table of Contents 21. Safe
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Contents Table of Contents 18
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Getting Started Introduction Introd
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Getting Started Unpacking the E7495
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Getting Started Your First 15 Minut
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Getting Started Using the Backpack
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Getting Started Contacting Agilent
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One Port Insertion Loss Measuring O
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1xEV-DO Analyzer and Over Air Test
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Two Port Insertion Loss Two Port In
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Two Port Insertion Loss Figure 4-1
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Two Port Insertion Loss NOTE Two Po
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Adjacent Channel Power Using the Ad
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Adjacent Channel Power W-CDMA Adjac
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Adjacent Channel Power W-CDMA Adjac
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Working with Batteries Installing B
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Working with Batteries Viewing Batt
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Working with Batteries Charging Bat
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Working with Batteries Reconditioni
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Working with Batteries Reconditioni
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Working with Batteries Battery Care
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Working with Batteries Battery Spec
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Working with Batteries Battery Spec
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CDMA Analyzer Using the CDMA Analyz
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CDMA Analyzer Optional CDMA Tx Anal
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CDMA Analyzer Metrics Provided by t
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CDMA Analyzer Interpretation of CDM
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CDMA Analyzer Interpretation of CDM
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CDMA Over Air CDMA Over Air Using t
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CDMA Over Air NOTE CDMA Over Air Us
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CDMA Over Air CDMA Over Air Optiona
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CDMA Over Air CDMA Over Air Metrics
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CDMA Over Air CDMA Over Air Metrics
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CDMA Over Air CDMA Over Air Interpr
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Channel Scanner Using the Channel S
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Distance to Fault Measuring Distanc
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E1 Analyzer Making E1 Measurements
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E1 Analyzer Measurement Results Mea
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E1 Analyzer Measurement Results las
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E1 Analyzer Measurement Results Acc
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E1 Analyzer More Information About
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E1 Analyzer More Information About
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GSM and EDGE Analyzer GSM and EDGE
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GSM and EDGE Analyzer Table 12-1 GS
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Power Meter Making an Average Power
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Return Loss Measuring Return Loss M
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Return Loss Measuring Return Loss S
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Return Loss Measuring Return Loss A
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Signal Generator Using the Signal G
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Spectrum Analyzer Spectrum Analyzer
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Spectrum Analyzer 6 Step Spectrum A
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Spectrum Analyzer Step Spectrum Ana
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Basic System Operations “Viewing
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Basic System Operations Setting Sys
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Basic System Operations Setting Sys
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Basic System Operations Printing a
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Basic System Operations Printing a
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Basic System Operations Saving Data
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Basic System Operations Saving Data
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Basic System Operations Managing Me
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Basic System Operations Configuring
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Basic System Operations Saving, Rec
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Basic System Operations Saving, Rec
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Basic System Operations Viewing Sys
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Basic System Operations Using the O
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Basic System Operations Testing Sys
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T1 Analyzer Making T1 Measurements
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T1 Analyzer Measurement Results Mea
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T1 Analyzer Measurement Results BPV
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T1 Analyzer Measurement Results +Fr
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T1 Analyzer Measurement Results res
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T1 Analyzer Measurement Results -15
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T1 Analyzer More Information About
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T1 Analyzer More Information About
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Safety and Regulatory Information a
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Connector Care Using, Inspecting, a
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Connector Care Using, Inspecting, a
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Returning the Test Set for Service
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Glossary Glossary of Abbreviations
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Glossary Glossary of Abbreviations
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Copyright Information Where to Find
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Copyright Information Copyright Inf
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Copyright Information © Copyright
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Index Index specifications, 176 sta
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Index Index channel occupied bandwi
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Index Index setting transmitter ref
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Index Index selecting emulate CSU/N
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Index Index 678 Index
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Measurement Guide Agilent Technologies E7495A/B - TRS-RenTelco

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