New Releases

NetSim v14.4

Aug., 2025 Currently Shipping

Release Highlights

Technology Specific Updates
  • Non-Terrestrial Networks (NTN) (New library)
    • Network Components
      • gNB located outside service beams, connected via feeder link.
      • Device support: handheld devices (FR1), VSAT terminals (FR1/FR2), 5G core, and remote servers.
    • Spot Beam Configuration
      • Single satellite with fixed-earth spot beams.
      • Configurable options: 1, 7, or 19 beams.
      • One-to-one mapping between beams and terrestrial cells.
      • Configurable inter-beam distances and frequency reuse (FR1/FR3).
    • Link Budget Calculations
      • Based on 3GPP TR 38.821 Section 6.1.3.1.
      • Models satellite antenna pattern with circular aperture reflector.
      • Supports CIR-based interference and user-configurable variations: altitude, environment, LOS probability, antenna parameters, EIRP, elevation, device movement, shadow fading.
    • Supported Bands
      • FR1: n254, n255, n256.
      • FR2: n510, n511, n512.
    • Link Specifications
      • Feeder Link: single beam with full bandwidth (gateway to satellite).
      • Service Link: multiple spot beams, bandwidth depends on frequency reuse.
    • Antenna Configuration
      • Circular aperture model with configurable radius (satellites/VSATs).
      • Omni-directional antennas (handheld UEs).
      • Antenna gains per 3GPP TR 38.811 Section 6.4.1.
    • Modulation and Coding
      • MCS mapping based on SINR and channel configuration.
    • Propagation Models
      • Free Space Path Loss (FSPL).
      • Atmospheric loss (user-defined, dB).
      • Clutter loss per 3GPP TR 38.811.
      • Log-normal shadowing (user configurable).
    • Interference Models
      • CIR-based interference.
      • Exact geometric interference.
    • Measurements & Analytics
      • Overall and per-beam/cell/application metrics: throughput, latency, errors.
      • Detailed radio measurements logged every TTI: SINR, SNR, Rx power, pathloss, interference, EIRP density, CQI, MCS, antenna gains, slant height, elevation angle, shadow/clutter loss.
  • Military Radios
    • Jammers
      • Single-band jammer, modelled as an interference source.
      • Supports configurable on/off times and coverage range (Fixed / Pathloss-based).
      • Interference depends on transmit power and frequency overlap, reducing SINR and causing packet errors when active.
    • Physical Layer
      • New modulation techniques CPM and GMSK.
      • Three antenna models: Omnidirectional, Sector, and External Pattern, differing in how antenna gain varies with direction between the transmitter and receiver.
      • oIntroduced a PHY Rate and Slot Capacity Calculator in the GUI for user convenience.
    • MAC Layer Enhancements
      • Introduced Mixed Packet Fragmentation, enabling aggregation of multiple packets/fragments into a single slot when the slot capacity exceeds the packet/fragment size.
  • 5G/6G
    • Merged 5G and Advanced 5G components into a single component named 5G/6G.
    • Cell Individual Offset (CIO) parameters to artificially modify target cell signal quality measurements during handover evaluation.
    • Rank (MIMO Layers) algorithm which computes the Rank that leads to the highest rate.
    • Configurable minimum and maximum resource shares in network slicing.
  • MANET
    • AODV: GUI option to enable/disable the Hello Mechanism.
  • Satellite (DVBS2) Network
    • Additional coding rates: QPSK (1/4, 2/5) and 32APSK (9/10).
  • Wi-Fi
    • IEEE 802.11ax (Wi-Fi 6). Key features include:
      • Spatial Streams: Up to 8 streams
      • MIMO: Multi-User MIMO
      • Channel Bandwidths: 20, 40, 80, and 160 MHz
      • Modulation Schemes: BPSK, QPSK, 16-QAM, 64-QAM, 256-QAM, and 1024-QAM.
GUI Updates
  • NetSim Analytics
    • Multi-experiment analytics, enabling comparison, analysis, and visualization of results across experiments.
    • Data visualization options: bar, scatter, line, and pie charts.
  • NetSim Animation
    • Visualize and analyse the packet flow in detail, along with animation controls and speed control options.
  • NetSim Plots and metrics
    • Option to change units of rate, time, and power in Metrics and Plots windows.
Development Environment
  • Support for VS Code, including. vscode configuration for code editing, building, and debugging
New Examples
  • 5G Network
    • Load balancing in 5G using Cell Individual Offset (CIO) (5G Load Balancing using CIO)
    • Effect of distance on pathloss, SINR and MCS (7-Cell Hexagonal Layout, Urban Macro Propagation, NLOS).
  • Military Radios
    • TDMA Latency and Queuing Lengths for Random and Fixed Traffic Patterns.
  • Non-Terrestrial Network (NTN)
    • Impact of LEO Altitude Variation on SNR and Path Loss.
    • SNR Variation Across Outdoor Scenarios with Varying Transmit Power.
    • SNR and Pathloss variation with varying elevation angles.
    • 3GPP 38.821 Set 1 system level simulation (5G/6G NTN Reference scenario)

NetSim v14.3

Mar., 2025

Release Highlights

  • AI/ML for communication networks
    • Added four new use cases, as explained in Machine Learning with NetSim
      • Two new use cases under AI/ML in 5G RAN
      • One use case each under AI/ML for Attack Detection in IoT and VANETs
  • RF Heatmaps
    • Added a new RF heatmap type for frequency allocation, supporting up to 15 frequencies in Internetworks and 5G networks
  • 5G NR
    • Added Proportional Fair Scheduling with Rate Guarantee MAC layer algorithm
    • Support for Guaranteed Bit Rates (GBR) for UEs
    • Logging for LTENR PRB utilization and PRB utilization vs. time plot
  • MANET - OLSR (Enhancement)
    • Logging for OLSR neighbours and MPR logs
  • Dynamic TDMA
    • Added customised SINR-BER table file based error model option
  • GUI updates
    • Redesign of "Your Work" icons and menu for better usability
    • Home Page and Simulation page can now be opened simultaneously
      • Pin NetSim home page option
  • New Examples
    • MANETs
      • Comparative analysis of AODV and OLSR
    • Internetworks
      • Designing a Nationwide Network Using NetSim | Swiss Universities Case Study
    • 5G
      • QoS in 5G with Guaranteed bit rate (GBR)
      • 5G data rate and throughput computation
    • Dynamic TDMA
      • Optimized slot allocation for load balancing in dynamic TDMA based MANETs

NetSim v14.2

Sep., 2024

Release Highlights

  • RF Heatmaps
    • Supports Wi-Fi, 4G, 5G, MANETs, TDMA Radio Networks
    • Displays Rx Signal Level, SINR for both Downlink (DL) and Uplink (UL)
    • Option to visualize using Best Transmitter or Single Transmitter
  • 5G Enhancements
    • Network slicing with dynamic resource allocation using online machine learning algorithms
    • New Downlink Interference Model: Added Interference over Thermal (IoT)
  • Underwater Acoustic Networks
    • Integrated Energy Model
  • VANETs
    • Added support for elevation in SUMO by updating vehicle Z-axis during runtime
  • Wi-Fi
    • MCS selection: Now includes fixed MCS and Auto-rate-fallback options
  • Logs
    • DTDMA slot allocation log file added
    • MANET OLSR MPR log file added
  • GUI Updates
    • Mobility viewer: Visualizes device movement across the environment
    • New distance measurement tool for measuring distances between devices
    • Icon set customization: Select different icon sets from the available options
  • New Examples
    • MANETs
      • OLSR: MPR Formation, NDP and TC Messages
    • Internet of Things
      • IoT DDoS attack
    • Wireless Sensor Networks (WSN)
      • Analysing throughput, latency and energy consumption as we scale the number of sensors
    • Underwater Acoustic Networks
      • Throughput and delay variation with distance
      • Underwater propagation losses and device range
      • s-Aloha performance with multiple transmit nodes
      • Energy consumption analysis in underwater acoustic networks under varying traffic loads
    • 5G
      • Network Slicing for ensuring throughput guarantee
  • New Experiments (for Edu users)
    • LTE Scheduling
    • 5G Beamforming
    • 5G: Throughput and fairness comparison of scheduling algorithms in a multi-gNB multi-UE scenario

NetSim v14.1

Mar., 2024

Release Highlights

New Plots Module

  • Network performance over time
    • Application Throughput, Application Latency, Application Jitter
    • Link Throughput
  • Radio Measurements over Time
    • Pathloss, Shadowing, Fading, Beamforming, Interference
    • SNR, SINR
    • MCS, CQI
  • Additional time series plots
    • TCP Window
    • Buffer Fill
    • Application (traffic) generation rate. Helps users gauge throughput efficiency
    • Energy consumption, including individual plots for Transmit, Receive, Idle, Sleep, Harvest energies.
  • Multi-plot Stacking Feature
    • Facilitates quick analysis by stacking various plots in a single chart
  • Chart Appearance: Toggle grid lines visibility, Fonts
  • Series appearance: Line Color, Line Type, Marker display, Values display
  • Add Annotations
    • Rectangles, Ovals, Arrows, Lines, Text
    • Helps improve visualization and commentary

New Results Window

  • Streamlined interface emphasizing plots, application metrics, and link metrics
  • Consolidated other metrics into an additional metrics window
  • Relocated logs, traces and packet captures to a lower section to reduce clutter

5G NR now supports Network Slicing

  • Slice Types: BE, eMBB, URLLC, MIoT, V2X
  • Static slicing based on % of resources to be allocated
  • UI option to map UEs to slices

Addition of Sector Antenna in MANETs

  • Parabolic antenna model
  • User can configure Boresight angle, Element gain, Front to back ratio, Beamwidth

Wi-Fi improvements

  • Addition of packet error probability (PEP) based on SINR-MCS tables
  • User can now set PEP per tables or per formula

New experiments in Academic version

  • Understanding Radio propagation: Pathloss, Shadowing and Fading
  • Connectivity of a randomly deployed 1-D ad hoc network
  • Impact of interference in a LTE 4G network

NetSim v14

Dec., 2023

Release Highlights

Redesigned GUI for faster experimentation, smarter usage, reduced clutter and so much more.

  • Simplified navigation: Four main tabs – Create Scenario, Set Traffic, Configure Reports, and Show/Hide Info
  • Clean design: Slide-out properties panel for Grid, Devices, Links, Applications, and Logs, without losing sight of the network scenario.
  • Better discoverability: Parameter search in the device configuration panel.
  • Rapid configurator: Create large scenarios quickly
  • Better organization: Export/import device properties to/from MS Excel.
  • Customizable workspace ("Grid"): Personalize with adjustable axis colors and styles.
  • Clear feedback: GUI notifications have a dedicated panel for errors and warnings.
  • Smart features: Undo-Redo capability, Auto-connect for devices, and an Auto-save feature to protect your work from unexpected crashes.

Tech Enhancements

  • 5G: Sector antenna based on 3GPP TR 37.840
  • UWAN: Capability to set up multiple temperature zones, each with various parameters influencing the speed of sound.
  • VANETs: Capability to import SUMO files with negative X, and Y coordinates.
  • Enhanced MATLAB interfacing: Call via new APIs for exchanging arrays and lists
  • Logs: Position and mobility log (.csv) to record position and motion of devices over time. Energy log (.csv) to record energy consumption and harvesting over time

Academic Version: New Experiment - Data traffic types and network performance measures

NetSim v13.3

Feb., 2023

Release Highlights

  • 5G/4G HARQ with soft combining
  • 5G/4G Block error (BLER)
    • Users can set a target BLER
    • BLER will be looked up from SINR-BLER data tables.
    • NetSim has exhaustive SINR-BLER data for various transport block sizes for all MCSs (1, 2, ..., 28) for Base graphs (1, 2) for all three tables (1, 2, 3). In total 28*3*2 = 168 files.
    • SINR-BLER data generated using an in-house proprietary link-level simulation program. The results have been carefully validated against published literature.
  • 5G/4G Outer loop link adaptation (OLLA)
    • Once the t-BLER is set an initial MCS is "guessed". Subsequently, the MCS is dynamically adjusted based on an outer-loop link adaptation algorithm that uses HARQ ACK-NACK messages
  • 5G/4G Uplink interference
    • Modeled as rise over thermal. The value of the interference is user-defined.
  • 5G/4G new parameters
    • Handover: New UI variables (i) Handover interruption time, (ii) Handover margin, and (iii) Time to Trigger
    • PF scheduler: User configurable EWMA moving average parameter.
    • User configurable overhead (%) per slot in DL and UL to account for control signals. This was previously predefined in code.
  • 5G/4G propagation model additions
    • Log distance mean pathloss.
    • Lognormal shadowing
  • 5G Code block segmentation
    • Transport block is split into code blocks (CBs). Then CBs are grouped in to code block groups (CBGs) and transmitted over the air interface.
  • 5G band addition
    • 60 GHz n263 band.
  • Radio measurements
    • Available with all wireless networks including 5G, LTE, WiFi, MANETs, VANETs, IoT, WSN and more.
    • The measurements csv file will log timestamp, device IDs, distance, tx-power, rx-power, pathloss, shadow loss, fading loss, interference power, and more
    • Users can enable logs from the UI.
  • File based mobility
    • Users can provide this in a simpler csv-based format. Allows for easy manipulation using MS Excel.
  • File Based device Placement in MANETS, WSN and IoT
    • Users can provide this in a simpler csv-based format.
  • Applications
    • Gaming traffic model added.

NetSim v13.2

October, 2022

Release Highlights

  • 5G Enhancements
    • Downlink Interference. Approximate Wyner model and exact Geometric model per 3GPP pathloss equations
    • HARQ with retransmissions and soft combining
    • Code block segmentation
    • PDSCH, PUSCH, and SSB Channels are now modeled. PDSCH/PUSCH for data and SSB for control (initial association and handover)
    • Analog beamforming in the SSB
    • Radio measurements - Pathloss, SINR, MCS, CQI, etc - are logged by all UEs at each slot, and Radio Resource Allocation - PRB allocation, scheduling metric - are logged per UE per carrier per slot
    • Handover interruption time has been added to model H/O latencies
  • Underwater acoustic networks (UWAN). New library
    • L1 – PHY Layer
      • Underwater Acoustic PHY Model. Propagation delay based on the speed of sound which is dependent on (user configurable) water temperature, depth and salinity
      • Modulation schemes: BPSK, QPSK, FSK, 16-QAM, 32-QAM, 64-QAM
      • User-configurable Data rate and Bandwidth
      • SNR based packet reception. BER computed from SNR-BER curves after accounting for propagation losses
      • Thorp Propagation Model with user-configurable parameters for Temperature, Depth, and Salinity, Surface Wind speed, Turbulence, and Shipping Noise
    • L2 – MAC layer
      • Slotted aloha protocol
      • TDMA/DTDMA is planned for subsequent releases
    • L3 – Network layer
      • No routing configuration (user inputs) is required for single-hop transmissions
      • Static routing to be configured for multi-hop transmissions
      • Ad hoc (MANET) routing is currently unavailable and is planned for subsequent releases
      • Devices can only communicate within the UWAN. External connectivity (via a gateway) is planned for future releases.
  • 802.11 WLAN improvements
    • PHY now accounts for the “capture effect” with decoding per SINR-PER curves.
    • Exact interference model based on received SINR accounting for all simultaneously transmitting sources. Prior to v13.2, the Interference model was approximate; it used an Interference threshold that was equal to the control rate Min RSSI with PER being computed per SNR (and not SINR)
    • BER calculation now has forward error correction (FEC) incorporated. SINR BER curves are provided in the manuals.
    • Carrier sense threshold is now set to Control rate receive sensitivity
    • PHY rate is now got by comparing RSS against MCS tables. Prior to v13.2, it was based on target packet error probability.
  • Propagation model
    • Range based pathloss model has been added
  • Results and output files
    • All .csv logs are auto-formatted as a table in excel with the option to create pivot tables and pivot charts
    • Application metrics: Source data for throughputs plots can now be opened in excel
  • Performance
    • 5G simulation speed up

NetSim v13.1

Dec 2021

Release Highlights

  • User interface improvements
    • Your work has been completely redesigned.
    • Multiple folder levels are now available for organizing your saved projects.
    • Import of experiment files and workspaces redesigned for better collaboration between multiple users.
    • Home screen: Sharper fonts. New display of licensed and unlicensed components.
    • Experiments and Template examples: search bar is now available. Short description and scenario image added for easy understanding.
    • Single click switch between workspaces
    • One-click compare code between workspaces
  • Install
    • Optional installation of third party tools in custom mode for a smaller install footprint
    • Third-party tools are now downloaded online and therefore a significantly reduced set-up size
  • WiFi 802.11 improvements
    • 802.11 ac now supports aggregation up to 1024 packets
    • Microsecond to nanosecond round off for 802.11n and 802.11ac transmission time calculations
    • Bugs resolved:
      • Packets from multiple applications transmitted to different nodes were not aggregated on a per-node basis
      • Incorrect power calculations in virtual interfaces in EDCA
  • 5G improvements
    • UE out of coverage
    • Beamforming array gain
  • Video model enhancements
    • New video codes: H.261, H.263, MPEG1 and MPEG2
    • Buffered video (BV1 through BV6) per IEEE 802.11-14/0571r12 standard
  • New voice models: CELP and MELP
  • Propagation models can now be customized by the user
  • TCP improvements: NetSim now runs a single TCP RTO Timer for the entire TCP connection. In prior releases, each segment has its own RTO timer.
  • Note:
    • From v13.1 onwards NetSim will no longer work on x86 (32 bit) processors; only x64 (64 bit) processors are supported.
    • v13.0 exported workspaces (*.netsim_wsp) cannot be imported into v13.1. Users should zip the v13.0 workspace folder and then use the “folder” import option in v13.1.
    • Map background is available as an “experimental” feature

NetSim v13

May., 2021

Release Highlights

5G core functionality, major UI design update, and a variety of product enhancements. Release highlights:

  • 5G Core (Based on TS23.501, TS23.502) functions and interfaces:
    • Access Mobility Function (AMF) that coordinates the 5G Standalone registration procedure, SMF and UPF
    • Session Management Function (SMF) that serves as a control plane entity and is responsible for the session management
    • User Plane function (UPF) that is a data plane component that handles user data
    • Interfaces: N1/N2, N3, N4, N6, N11, XN
  • 5G NSA deployment architecture (in addition to existing SA mode) for LTE - 5G dual connectivity, to leverage existing LTE RAN/EPC deployments.
    • Option 3 where only LTE core/ EPC is present and no 5G Core devices are present. Here, eNB is the Master Cell and gNB is the Secondary Cell.
      • Option 3: Only eNB connects to EPC and eNB and gNB connects to the XN interface.
      • Option 3a: Both eNB and gNB connects to the EPC. No XN interface.
      • Option 3x: Both eNB and gNB connects to the EPC. eNB and gNB connects to the XN interface.
    • Option 4 where only 5G Core devices are present, and EPC is not available. Here, gNB is the Master Cell and eNB is the Secondary Cell.
      • Option 4: Only gNB connects to all the 5G Core interfaces. eNB connects to the XN interface.
      • Option 4a: gNB connects to all 5G Core interfaces and eNB connects to AMF and UPF through respective interfaces.
    • Option 7 where only 5G Core devices are present, and EPC is not available. Here, eNB is the Master Cell and gNB is the Secondary Cell.
      • Option 7: eNB connects to all 5G Core interfaces. gNB connects only to the XN interface.
      • Option 7a: gNB connects to all the 5G Core interfaces. eNB connects to AMF and UPF through the respective interfaces.
      • Option 7x: gNB and eNB connects to all the 5G Core interfaces.
  • 5G RAN
    • FDD bands added to existing TDD bands
    • MIMO operation with layer count equal to Min (Tx-antenna-count, Rx-Antenna-count). Note that NetSim v12.2 used the abstraction “layer count” directly as a user input
      • gNB antenna count supported 1, 2, 4, 8, 16, 32, 64, 128
      • UE antenna count supported 1, 2, 4, 8, 16
    • MIMO Spatial channel model
      • MIMO Spatial Channel Model (SCM), i.e., the channel is represented by a matrix H, whose entry (t, r) models the channel between the t-th and the r-th antenna elements at the transmitter and the receiver, respectively
      • Gaussian channel with Rayleigh fast fading: i.i.d Complex Normal (0, 1) channel (H-matrix) that changes independently every coherence time.
      • Beamforming gain per the eigen values of the covariance (Wishart) matrix
    • Ability to input per gNB pathloss files from 3rd party software tools like MATLAB
      • Pathloss along cartesian X, Y coordinates in a mesh grid around the gNB
      • Best server (gNB) per UE calculation automatically handled by NetSim
  • Military Radios (TDMA Radio Networks)
    • Forward error correction (FEC)
    • L-band and S-Band Radios
  • Device models
    • Processing delay to simulate compute related latencies
  • Applications
    • Faster FTP fragmentation for simulation acceleration
  • Satellite
    • Updates to Markov Loo fading model in Satellite networks
  • Graphics: Simple and smooth working
    • Reimagined home screen design
    • Workspace enhancements: Size field for experiments and workspaces, and File selection option for import/export
  • Documentation
    • Figure and table numbers for all manuals with cross referencing
    • New examples and experiments (for Edu users)
  • Utilities
    • Config file generator: Automated scenario generator for generating large scale networks with 1000s of nodes.
    • Batch simulations: Automated execution of 100s of config files sequentially. Ideal for running simulations over night
    • Multi-parameter sweeper: Automated sweep of multiple parameters across its range of values and logging of results in csv for analysis

NetSim v12.2

Sep 2020

Release Highlights

  • Cloud Licensing: Run NetSim from your home via our cloud servers
  • Graphics
    • Time series plot of instantaneous, moving average and time average throughputs
    • Ability to set window size for moving average
    • Time series plot of buffer occupancy
    • Time series plot of TCP congestion window
    • Formatting options - color selector, zoom and pan
    • Scales upto 5 million points
  • 5G NR
    • Handover
    • PDCP Enhancements
    • RRC Enhancements
    • RLC Enhancements
  • WiFi - 802.11 EDCA updated per latest standard
  • VANET Networks can be interfaced to Internetworks via Road-side-units. Vehicles can communicate with backbone network/cloud.
  • Satellite Communication library can now be interfaced with Internetworks library
  • New experiments and examples
    • Experiment addition: IoT Star topology
    • Experiment addition: Understanding Network Performance Measures- Throughput and Delay
    • Example additions for VANETs: Manhattan mobility model, vehicles moving in a closed loop

NetSim v12.1

Jan 2020

Release Highlights

New Features

  • Introducing the new Satellite Communication Networks Library
    • Packet level communication between terrestrial nodes and Geostationary satellites
    • The Satellite MAC layer protocol supported in NetSim is TDMA for forward link and MF-TDMA for return link (based on the DVB S2 standards)
    • The forward link is in the Ku band (12 – 18 GHz) while the return link is in the Ka band (24 – 60 GHz)
    • Channel model: Friis free space path loss with Loo Markov fading model
    • Modulation: QPSK, 8PSK, 18APSK, 16QAM, 32APSK with appropriate coding rates
  • 5G NR mmWave library additions
    • Carrier Aggregation
  • Propagation Models
    • Added: Ricean Fading, Two ray pathloss model and pathloss matrix model
  • Queuing and Scheduling now features the following algorithms
    • Scheduling - FIFO, Round Robin, Priority, EDF, Class Based
    • Queuing - Drop Tail, RED, WRED
  • WLAN Rate adaptation now features three algorithms
    • Packet error based, Consecutive success or failure and Minstrel
  • Express installation of all third party tools

NetSim v12

Aug 2019

Release Highlights

New Features

NetSim v12 - A pro tool that's a cut above the rest!
  • Introducing the Brand New 5g NR mmWave Library
    • End-to-end simulation of 5G NR-mmWave Networks
    • Full stack, packet level simulation covering all the layers of the stack and applications running on top
    • mm Wave propagation
    • Based on the latest 3GPP38 series
    • 'Building' is available in UI for modeling Indoor propagation
    • Check out more detailed information (5G NR mmwave library)
  • Refined workflows to speed up time consuming tasks
    • VANETs
      • Interface seamlessly with SUMO -
      • Road side units (RSUs) can now be simply dragged and dropped
    • File based placement of devices for LTE and WSN
    • Battery model now available in MANET GUI
  • Precision modeling for advanced users
    • BER models updated for 802.15.4 and 802.11
    • Jitter is now automatically calculated and displayed in Results Window
    • Simulation time resolution increased from seconds to milliseconds
    • Throughput now calculated from application start to application end time
  • Seamless interfacing with external tools (SUMO, Wireshark, MATLAB, Python)
  • Learn from a wide range of examples and experiments. New additions:
    • Three sets of examples in Internetworks: Effect-of-Bandwidth-and-Guard-Interval-in-WiFi-802.11ac, 802.11-Rate-Adaptation, TCP-Bandwidth-Delay-Product
    • Six sets of examples for 5G NR mmWave: 4G-vs-5G, MAC-Scheduling, Indoor-vs-Outdoor, Distance-vs-Throughput, 5G-log-file-and-packet trace
    • Four sets of experiments in Academic version

NetSim v11.1

Release Highlights

New Features

The Apr 2019 release of NetSim (ver 11.1) rolls out exciting new features focused on enhancing usability:

  • Introducing Workspaces in NetSim - More freedom and flexibility
    • Users can group together NetSim source code, binaries, libraries, experiments and images related to one project
    • Export/import workspaces and export/import experiments
    • A single PC/VM and license can be used effectively by multiple users each of whom can independently modify the underlying source code
  • Building and linking your own code is now a breeze
    • Single click to open protocol source codes
    • Manual, complex and time-consuming tasks related to the development environment, dependencies and compiler eliminated
    • Write your own code and simply build - NetSim will automatically simulate per your code
  • Accelerate R & D by extending existing projects
  • Understand NetSim internals through example simulations
    • 40+ examples
    • Ready to simulate scenarios to understand the working of different protocol/technology libraries in NetSim
  • Learn networking concepts through sample experiments (for Edu customers)
    • 35+ experiments covering a wide range of networking technologies
    • Each experiment comes with objective, theory, set-up, results, and inference
    • Complete experiment manual is available
  • Benefit from well-structured documentation
    • User manual plus 13 technology library manuals
    • Sectioned as Simulation GUI, Model Features, Featured Examples and Reference Documents
    • 250 + Q & A available in our knowledgebase

NetSim v11.0

(Aug 2018)

Release Highlights

New Features

  • Software Defined Networks
    • Openflow v1.3 Compatible
    • SDN based IoTs
    • SDN based WSN
    • SDN based LTE
    • SDN based VANETs
  • OPSF Updation
    • OSPF Messages, Router LSAs, OPSF Logs file per RFC 2328
  • Link failure
    • Links can be failed and recovered
  • Switching 10G, 40G and 100G
    • Switch ports and links now support 10G, 40G and 100G
  • Real-Time interaction with Simulation
    • NetSim Console with Window equivalent commands
  • Addition of GMSK modulation scheme at PHY layer
  • Battery models for MANET and VANET nodes
  • Statistics Utility for automatic formatting of packet trace and generation of pivot tables

GUI Enhancements

  • Fast configuration option for simulating networks with a large number of devices
    • Uniform, Random and file based placements
  • Display options in Simulation screen
    • Device IP, Link Speeds
  • Radio signal coverage visualization heatmap (SNR based)
  • Copy/paste option for devices & links in GUI
  • Updated tool tip help and error messages
  • Re-designed ribbon and device icons
    • Context sensitive ribbon with visibility only for relevant devices for the network
  • Print option for reporting

NetSim v10.2

(Feb 2018)

Release Highlights

New Features

  • All New Animator
    • 25+ info fields now available with packet animator
    • Wide range of animation options including plots, battery level, graphs, tables and more
    • Visualization with inbuilt graphs for link and application throughput
    • Graph controls with Coloring, XY Axis settings, Grid Settings, Zoom and more
    • Users can add their parameters to NetSim animations
    • Users can plot their own NetSim graphs - 2D, 3D, tables etc
  • COAP Application Layer Protocol
    • COAP Application Header
    • Request Response Model
    • Usage of Message Types
    • Simple stop-and-wait re transmission reliability with exponential back-off for confirmable messages.
    • Duplicate detection for both confirmable and Non-confirmable messages.
    • Transmission Parameters - Acknowledgement Required, Acknowledgement time, Acknowledgement Random factor, Maximum Re-transmit
    • Piggybacking - Piggybacking Time
  • Multiple MANETs
    • Simulate mulitple MANETs interconnected using bridge node
    • Connect MANETs to core networks using bridge nodes
    • P2P wireless links between bridge nodes
    • TDMA waveform slot planner for Tactical Operations

Product Enhancements

  • Improved file based mobility for users to input custom mobility models
  • Emulator speed increased by 4x to handle higher data rates upto 250 Mbps through one processor
  • Ability to set priority in applications for QoS - UGS, RTPS, nRTPS and BE

NetSim v10.1

(Dec. 2017)

Release Highlights

New Technologies

  • Virtual LAN (VLAN) Protocol per IEEE 802.1Q
    • VLAN Tagging, VLAN ID and VLAN Name
    • Access and Trunk Ports
    • Inter VLAN routing
    • VLAN Configuration through GUI or Text file
  • Internet Group Management Protocol (IGMP) per RFC 2236
    • IGMP Message - Query, Report
    • Host State Machine and Router State Machine
  • IP Multicasting
    • Host extensions for IP multicasting per RFC 1112
    • IP route tables based on multicast application in host
    • IP route tables changed as per matched bit count
  • Protocol Independent Multicast (PIM), Sparse mode per RFC 7761
    • Shortest Path Tree
    • (*, G) State
    • (S, G) State
    • Designated Router Election
    • Hello Timer, Join Expiry Timer
  • Network Address Translation (NAT) and Public IP
    • Public IP of Host from WAN Router
  • Detailed L3 Switch Model
    • Switching Techniques
    • Spanning tree protocol and multiple spanning tree instances per switch
    • Unicast, Broadcast and Multicast switching
    • Promiscuous mode

Network Emulator Enhancements

  • NetSim emulator can now interface with Raspberry PI devices
  • Multicast Emulation Support
  • Broadcast Emulation Support

Product Improvements

  • Redesigned home screen and results screen
  • Access Control Lists in Switches - Inbound, Outbound, Deny, Permit
  • Updated Carrier Aggregation per Rel 14 in LTE-Advanced
  • Multicast Application Modeling
  • Configuration of static IP table through the GUI
  • Packet trace additionally logs IP address of Source, Destination, Next Hop and Gateway
  • Export of results to XL/.CSV
  • Silent install capability
  • Support for Visual Studio 2015 and 2017

NetSim v10

(June 2017)

Release Highlights

  • The Road to 5G - Simulation of LTE covering
    • LTE Advanced
    • LTE Device to Device (D2D)
    • LTE Femto Cell
  • Intelligent Transportation Systems — Simulation of Vehicular Adhoc Networks (VANETs) covering
    • IEEE 1609 WAVE
    • Basic Safety Message (BSM) Protocol as per standard J2735 Dedicated Short Range Communications (DSRC) Message Set Dictionary
    • Interface with SUMO for Road Traffic Simulation using TraCI API's
  • Accelerate IoT Research - Features RPL protocol for IoT
    • Routing Protocol for low power and lossy links (RPL) per RFC 6650
  • Updated RF Propagation Models
    • Path Loss
      • Friis Free Space Propagation
      • Log Distance
      • HATA Suburban, HATA Urban
      • COST 231 HATA Suburban, COST 231 HATA Urban
      • Indoor Office, Indoor Factory, Indoor Home
    • Shadowing Models: Constant, Lognormal
    • Fading Models: Rayleigh, Nakagami
  • TCP enhancements - Optimized congestion control algorithms for high bandwidth networks
    • BIC
    • CUBIC (used in the latest linux kernel)
  • Integrated Analytics and Visualization
    • In-built plots for link & applications throughputs
    • Graph formatting - layout, colors, axes, zoom etc
    • Pivot table operations on packet trace

Additional support resources