Design and test communication networks, satellite links and power-grid cyber defences

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Trusted by 500+ Organizations Across 30+ Countries

NetSim 5G NTN scenario over India with satellites, a gateway and UE service-link throughput

NetSim Network Simulator

Network simulation and emulation

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NetSim Astra coverage heatmap over Japan with the best satellite link analysis

NetSim Astra

Satellite planning and RF coverage

  • Constellation design and visualization on a 3D globe
  • Link budget with ITU-R P.618, coverage heatmaps and 5G NTN beam planning
  • Comparison with STK and MATLAB: Astra Q&A
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NetSim Cyber Core between protocol source simulators and destination analysis tools

NetSim Cyber

Cyber-attack simulation for power grids

  • Protocol-aware attacks on C37.118, IEC 61850, Modbus, DNP3 and IEC-104
  • False data injection, replay, tampering, unauthorized control and DoS
  • Runs with built-in protocol simulators, HIL simulators or real devices
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500+
Organizations
30+
Countries
20+
Years of development
v15.0
Current release
Verizon, USA
Idaho National Laboratories, USA
ETRI, Korea
CAIR DRDO, India
HAL, India
Philips, Netherlands
IMDA, Singapore
University of Sydney, Australia
Avantel, India
Dirgantara Indonesia
FREI-AIST, Japan
IHP Microelectronics, Germany
Northwest University, South Africa
NTIS, Saudi Arabia
Verizon, USA
Idaho National Laboratories, USA
ETRI, Korea

NetSim Network Simulator editions

NetSim Network Simulator has three editions. NetSim Astra and NetSim Cyber are separate products.

Industry & defence

NetSim Pro

  • All technology libraries
  • Network coverage and capacity studies
  • Protocol source C code access and priority support
  • Industry: Telecom 5G, satellite operators, network equipment manufacturers
  • Government: Military and Defence, Space
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University R&D

NetSim Standard

  • For R&D at universities
  • Includes protocol source C code
  • Develop and simulate your own protocols and algorithms
  • Interfaces with Python, MATLAB, SUMO, Wireshark
  • Heavy on features, light on price
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Teaching & labs

NetSim Academic

  • For networking lab experiments at universities
  • Easy-to-use GUI
  • TCP/IP, switching, routing, Wi-Fi, MANET, IoT, WSN, LTE
  • 35+ inbuilt lab experiments
  • Academic pricing
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Featured technology libraries

These are the current focus areas of NetSim Network Simulator. Select a library to see its protocol stack.

5G / 6G NR

Full-stack 5G New Radio: gNB, UE, 5G Core, Massive MIMO, beamforming, network slicing, SA and NSA, FR1 and FR2.

5G / 6G NTN

Non-terrestrial networks with LEO, MEO and GEO satellite layers, and the 3GPP Release 17 and 18 NTN extensions.

MANET

Multi-hop ad hoc routing with DSR, AODV, OLSR, OLSRv2 and ZRP, with mobility models and tactical radio bands.

Also available: Military Radio · Satellite Comm · IoT & WSN · VANETs · SDN · Network attack examples · AI / ML with NetSim · Cognitive Radio · Underwater Networks

Evaluate NetSim for your requirements

Request a demo, talk to our engineers, or read the documentation.

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