IQC5000B Series RF Signal Record and Playback Value of RF Streaming - - PowerPoint PPT Presentation

IQC5000B Series

RF Signal Record and Playback

Value of RF Streaming

• Evidence of what happened

– Designers are not always sure what they’re looking for:

• “good” signals well understood
• “bad” signals can exist in many forms

– 100% capture allows engineers to discover anomalies

• Characterize precise behavior in multiple domains
• Terabyte memories provide capture times from

minutes to days

– RF streaming creates signal archives

• Compare to previous events
• Manipulate and re-transmit signals

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Cannot Always Model or Capture Anomalies in the Lab

The Measurement Problem

• It is often difficult to detect or predict

the occurrence of signals of interest

– Stray emissions from a known device – Unauthorized emissions – Unpredictable interactions in complex RF environments

• Streamed signals are information

– Undeniable proof of what happened – Use data to find other data – Modify and replay recordings to stress and margin test receivers

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Lockheed Martin F-35 Joint Strike Fighter

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Asymmetric Threats

Record Replay Simulate Search

IQC5000B Spectro-X

100% capture, trigger, mark signals of interest ID unique signatures and signal anomalies Create new signal scenarios from real-world waveforms Regenerate signals at carriers up to 44 GHz

Analyze

Perform detailed signal analysis

RF Editor IQC5000B Spectro-X Simulate and Analyze Real-World Environments

IQC5000B Series Signal Record and Playback

• Signal Capture and Replay

– 40 and 165 MHz – 16 bit LVDS interface – Built-in IQ and fixed RF playback – IRIG-B and GPS Inputs – Triggers and Markers

• Memory

– Internal: 80 min @ 165 MHz – External: 5 hours @ 165 MHz

• Single and Dual Channel

– Time synchronous ops – Supports record and replay IQC5000B Series

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IQC5000B Designed for Operations

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Channel 1 IQ Analog outputs External Storage Output Channel 2 IQ Analog outputs PCIe bus for high-speed Offload to workstation Mini-SAS for streaming to the MEM module Channel 1 IQ Digital inputs External 10 MHz. Reference Automate record & playback

• perations via SCPI commands

Synchronize operation with other system events Tag incoming data for precise event marking Correlate data to IRIG-B and GPS time and location AC or 12 volt operation for Remote environments Channel 2 IQ Digital inputs AC or 12 volt operation for Remote environments

Memory Configurations

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8TB & 15TB External Memory Option 2TB & 4TB MEM Module Option

• Operational Security friendly
• Removable 2TB & 4TB memory options
• Enhanced File System
• Smaller Size Weight And Power (SWAP)
• Support of existing 8TB & 15TB options
• Capacity for longer duration recordings
• Provides up to 20 hours of record time

IQC5000B Applications: Co-Channel Recording

• Threat-response characterizations

– When did the threat appear? – How long did it take to respond to the threat? – What impact did interference have on response times?

• EMI/TEMPEST testing

– What emissions exceeded design thresholds? – Were there any transient emissions?

• MIMO systems

– Timing correct between the 2 receive paths? – Did environment impact each receive path? – Interference present when 2 channels recorded?

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IQC5000B Applications: Multiband Recording

• Satellite uplink/downlink

– On which link did the interference occur? – When did the interference occur? – What was the impact on signal quality?

• Cellular forward and reverse links

– Did the base station generate stray emissions when it changed modes? – Why are calls being dropped during rush hour?

• Spectrum studies

– Record contiguous blocks of spectrum – Document spectrum usage next to assigned channels

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IQC5000B Applications : Geospatial Studies

• Simultaneously record RF and GPS

– 100% capture of real-world environment for minutes and hours

• Recreate the environment back in the lab

– Where was I when the emitter was first detected? – How long did the emitter stay on? – Were there other signals of interest in the vicinity of the first? – What signals require detailed signal analysis?

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Channel 1 Channel 2

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Modern T&M Solutions have Limited On-Board Memory

ADC DSP RAM µP

Display RF Input

If the system fails to capture the event, its gone forever

Signal Analyzer Block Diagram

Preselect Down- Convert Digitize Store Process

• Monitoring stops while the receiver is post-processing
• Events lasting longer than the available memory are lost
• Trigger settings valid only for one set of conditions

Batch Processing

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Continuous Processing X-COM Interface

Fixed LO

Plug-Compatible with Industry-Leading VSAs and VSGs

Capture Record

Stream digital I&Q samples

• Continuously record 100% of RF spectrum
• No need for prior knowledge of signal characteristics
• Search and identify signals of interest
• Manipulate and re-transmit signals
• Use high-quality

signal analyzer as RF front-end Playback

• High-quality signal

generator recreates RF at any desired frequency

Capture and Playback with Exceptional Signal Fidelity

Rohde & Schwarz Rohde & Schwarz Keysight Tektronix Keysight IQC5000B Series

Software

• Spectro-X
• RF Editor
• MATLAB
• 89600B
• SignalVu

Analyze

3/5/2015 LAN Control PCIe Offload Stream analog I&Q samples RF input RF Output 12

How Much Spectrum Capture Time Can Be Stored?

Bluetooth Airport radar Wi-Fi Tetra Zigbee DVB-T DVB-S GSM

Applications

Military radios

Hours or Days of Spectrum Can be Captured and Stored

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IEEE 802.11ac

Acquisition BW Data Rate Time 2 TB Time 4 TB Time 7.5 TB Time 15 TB 165 MHz 800 MB/s 40 min 83 min 150 min 300 min 110 MHz 600 MB/s 50 min 111 min 200 min 400 min 40 MHz 200 MB/s 2.7 hr 5.5 hr 10 hr 20 hr 20 MHz 100 MB/s 5.5 hr 11 hr 20 hr 40 hr 10 MHz 50 MB/s 11 hr 22 hr 40 hr 80 hr 1 MHz 6.25 MB/s 3.5 days 7.4 days 13 days 26 days

Price Points – US Commercial Pricing

40 MHz Single-Channel Record 4TB Memory (>5 hours) 165 MHz Single-Channel Record and Playback 8 Tbyte Memory (>2 hours) 165 MHz Dual-Channel Record and Playback 15 Tbytes Memory (>5 hours)

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Good Better Best

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$39,000 $64,000 $92,000

Spectro-X 4.0 – Multichannel Signal Analysis

• Four-channel signal analysis

– Unlimited file sizes – Multi-domain analysis – Correlated markers – File alignment +/- 1 sample

• Multiple search engines

– Carrier, wireless, arbitrary, pulse – Prune and sort results

• Export data

– Perform detailed analysis with MATLAB, Keysight 89600B and Tektronix SignalVu – Save data as reference files Spectro-X 4 Software

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RF Editor Signal Creation Software (Make “Movies” of Your Recordings)

Choose recordings From library

Loop segments at specific intervals Add frequency- shifted copies of

• riginal signal

Filter signals to reduce transition transients Create composite I&Q file Independent, parallel tracks can be precisely time-synchronized

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Stitching Allows Replay of Just “Interesting” Segments

Original Recording Stitched IQ File Stitch

Search Result Time Locations

Dramatically Reduce File Sizes and Accelerate Post-Processing

Post Process

Keysight 89600B

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Matlab Tektronix SignalVu

IQC5000B Record GUI

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Recorded Files Single Button Start Record/Playback Dual Channel Ops PCIe High Speed Offload Record Configuration

IQC5000B Playback GUI

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Playback in Progress Double-click File for Playback

Record Configuration

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3 Ways to Start/Stop Recordings

Record Start (Advanced)

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Record Stop (Advanced)

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X-COM RF Streaming Summary

• IQC5000B Spectrum Record & Playback

– Enables streaming of “Big RF Data” – Up to 165 MHz record/playback through 50+ GHz – Dual-channel operation – Plug-compatible with leading signal analyzers and vector signal generators

• RF streaming requires new tools

– Spectro-X to visualize, search and identify signals of interest – RF Editor to manipulate I&Q files for signal simulation

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