New Releases

 

NetSim v13
May 2021, Currently Shipping

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, Previously released

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

 

NetSim v9.1 (Released, Aug 16)

Release Highlights

New Technologies and Applications

  • Simulation of LTE-Advanced (4.5G) featuring
    • Carrier Aggregation
    • Enhanced use of Multi antenna techniques - SU MIMO and MU MIMO
    • Relay Nodes
  • NetSim - MATLAB interfacing: New applications
    • Modeling and simulation of the sensing of real world parameters and their communication to the sink
    • Dynamic clustering in low power WSNs
  • Minstrel rate adaptation algorithm in 802.11 a/ b / g and Minstrel HT for 802.11 n / ac
  • Packet animation along with detailed packet information for better visualization and debugging
  • Automatic interfacing of NetSim with SUMO for VANET simulations

Enhanced Graphical User Interface

  • Display Radio Range to visualize the communication range of wireless devices
  • Brand new icons
  • Users can save before & after simulation (only after simulation was possible till v9)
  • Application naming to track the flow of packets through the network
  • Increased color and graphing options in analytics

 

Additional support resources