R&S®GSACSM communication system monitoring

Multi-device SATCOM signal monitoring

Satellite signal monitoring
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CiC detection
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CID demodulation
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Automatic alarming
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Distributed architecture
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Multiple channel monitoring
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Spectrogram
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Satellite signal monitoring CiC detection CID demodulation Automatic alarming Distributed architecture Multiple channel monitoring Spectrogram

Key facts

  • Autonomous satellite signal monitoring
  • Detection or undercarrier signals
  • DVB-CID demodulation & multichannel signal quality measurements
  • Paired-carrier signal processing
  • Supports R&S®NRQ6/FPS/FSW/EM200/TSME6

Multi-device SATCOM signal monitoring

R&S®GSACSM communication system monitoring is a SATMON software solution for remote spectrum monitoring and signal analysis. R&S®GSACSM comes with classic spectrum analyzer functions, trapping systems and advanced signal detection and identification algorithms.

I    Multi-device spectrum monitoring
I    VSAT, SCPC signals, CID, under-carrier signals
I    API for software remote control
I    Satellite EIRP monitoring

Features & benefits

Autonomous spectrum scanning

Autonomous spectrum scanning and SATCOM carrier identification

The R&S®GSACSM classification feature enables systems to autonomously scan spectrum signals and identify carriers. Carriers are visualized in color-coded charts and in lists. The chart and list elements make it easy to identify each carrier. The sniper tool lets users add new areas to select a specific carrier for further processing. All collected signal parameters and the constellation diagram are displayed.

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Software-based signal demodulation

Huge variety of standards and types of modulation can be identified (DVB-S, DVB-S2, IESS, GSM, etc.)

Carrier-in-carrier detection

Identifying of underlying signals  via carrier-in-carrier detection

PCMA detection and signal identification Systems using R&S®GSACSM are able to detect and identify paired carrier multiple access signals (two carriers having the same carrier frequency and baud rate). Identification of suspicious interferers using undercarrier detection to identify unwanted asymmetric signal sources beneath a useful signal.

 

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Software-based carrier cancellation

The SATCOM carrier is cancelled in order to identify the under-carrier signal.

DVB-CID demodulation

Continuous spectrum scanning and demodulation of DVB-CID signals

Modern satellite communications exhibits a lot of signal interference that needs to be efficiently avoided. The Digital Video Broadcasting organization specified a carrier ID (CID) that identifies the host carrier, effectively reducing interference between satellite signals.

R&S®GSACSM can handle CID signals, i.e. they will be detected and then demodulated. The CID-specific “global unique ID”, the GPS coordinates and the telephone number are extracted.

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DVB-CID demodulation

The demodulation is repeated until all CID parameters are captured.

Continuous carrier monitoring

Easy carrier monitoring via multichannel service tables

R&S®GSACSM monitors signal parameters by using multichannel service tables. R&S®GSACSM is capable of setting alarm thresholds to inform users when unwanted signals occur. Users can define spectrum signal masks to ensure that every suspicious carrier is immediately identified.

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Signal monitoring with service tables

Various monitoring objectives can be set: C/N, signal power, signal bandwidth, modulation, FEC rate etc.

Distributed network structure

Scalable client/server architecture

In a scalable client/server architecture, R&S®GSACSM allows remote spectrum analysis in distributed systems. Operators can manage their instruments (RF components, e.g. R&S®NRQ6) in different locations.

R&S®GSACSM supports the following Rohde & Schwarz sensor instruments:

  • R&S®TSME6 
  • R&S®FSW 
  • R&S®FPS 
  • R&S®FSV 
  • R&S®FSC
  • R&S®FSL 
  • R&S®NRQ6 
  • R&S®MSR200
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Simultaneously managing different receivers

Specifications
Common specifications
CPU and operating system x86 CPU, Windows 7 or newer
.Net Framework required .Net framework version 4.5
Min. HDD space required for installation 500 Mbyte
RAM required min. 1 Gbyte, 2 Gbyte recommended
Sensor interfaces supported LAN/WLAN connection, USB port optional
R&S®GSACSM specifications
Spectrum mode Live measurement with spectrum analyzers
Spectrogram mode 2D and 3D waterfall spectrum analysis
Spectrum density mode Spectrum frequency occurrence analysis
Mask mode Alarm trapping with email notification
Classification mode Basic detection and identification of terrestrial, satellite, TDMA and PCMA signals
Under-carrier detection mode Advanced signal analysis for underlying interfering signals
Satellite mode Continuous scanning, identifying and alarm trapping for satellite signals
DVB-CID Continuous scanning for DVB-CID signals
Scope mode I/Q data display
Multichannel power mode Power monitoring via service tables
Power monitoring mode Power monitoring in a specific frequency band over a certain time
Recording Record, replay, export and import measurements
Offline processing Load I/Q data files to detect and demodulate signals offline
Supported Rohde & Schwarz sensor instruments R&S®TSME6 ultra compact drive test scanner
  R&S®FSW, R&S®FPS, R&S®FSV signal and spectrum analyzers
R&S®FSC, R&S®FSL spectrum analyzers
  R&S®NRQ6 frequency selective power sensor
  R&S®MSR200 dual satellite receiver
Supported Rohde & Schwarz system solutions VSAT solution provided by Rohde & Schwarz
Software signal processing bandwidth determined by I/Q bandwidth of sensor in usage
Max. simultaneous users per CSM server not limited, practically limited by the processing capabilities of the CPU
Max. simultaneous sensors connected to the CSM server not limited, practically limited by the processing capabilities of the CPU
TCP/IP acceleration supports CSM measurements with remote sensors over long latency low throughput links, e.g. data rate <10 kbit/s, latency >1 s
Application domains ❙ SatCom transponder monitoring and carrier analysis
❙ Identification/classification of unknown signals
❙ Under-carrier signal analysis and demodulation
❙ SatCom operations with alarming/trapping functions
❙ 24/7 power monitoring of carriers
❙ DVB-CID carrier ID demodulation

Available options

General
Product Description

R&S®GSACSMSVR

Order number 3065.3526.02

Description

CSM server

Network device drivers, spectrum/spectrogram functions, multi-device multi-user management

R&S®GSACSMCLNT

Order number 3065.3510.02

Description

CSM client (GUI)

CSM graphical user interface to access CSM server monitoring data

R&S®GSACSMSTA

Order number 3065.3532.02

Description

CSM standalone installation

CSM server + single CSM client (graphical user interface)

CSM modes
Product Description

R&S®GSACSMANA

Order number 3065.3490.02

Description

CSM analysis mode

IQ signal aquisition from connected devices with defined analysis bandwidth and duration

R&S®GSACSMPOWR

Order number 3065.3484.02

Description

CSM power monitoring mode

Continuous carrier monitoring concerning user-defined signal quality indicators: Rx power, C/N, target data rate, modulation, coding, signal bandwidth etc.

R&S®GSACSMMEAS

Order number 3065.3478.02

Description

CSM measurements

Store and replay of sampled IQ data files, offline IQ sample file processing

R&S®GSACSMREMT

Order number 3065.3461.02

Description

CSM remote access

CSM API (advanced programming interface) based on Thrift in order to realize CSM remote controll via third-party software

R&S®GSACSMPATH

Order number tbd.

Description

CSM HF path measurements

Station gain measurement, signal generator remote control, satellite EIRP measurements

Advanced signal analysis
Product Description

R&S®GSACSMCSAT

Order number 3065.3432.02

Description

CSM Classification SATCOM

SATCOM signal identification and classification (VSAT, SCPC, DVB-CID, MF-TDMA for LEO Systems, DVB-S2x etc.)

R&S®GSACSMCCUC

Order number 3065.3426.02

Description

Classification Carrier-under-Carrier Analysis

Classification and processing of carrier-under-carrier signals, shows hidden interference signal sources beneath given SATCOM carriers

R&S®GSACSMCPCD

Order number 3065.3410.02

Description

Classification Paired Carrier Detection

Detects the precence of paired-carrier signals, identifies the carrier types (modulation, coding) and signal parameters (frequency offset, baudrate offset, power difference etc.)

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1. The prize draw “10 years Rohde & Schwarz oscilloscopes” (herein referred to as “Draw”) is organized by Rohde & Schwarz GmbH & Co. KG, Mühldorfstraße 15, 81671 Munich, Germany, Tel. +49 89 41 29 0 (herein referred to as “R&S).

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