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Wireless Networks for 4G/5G Getting started with ns-3

Learn about ns-3, a packet-level network simulator, for conducting performance evaluation studies in wireless networks. This course covers the basics of ns-3 installation and usage.

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Wireless Networks for 4G/5G Getting started with ns-3

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  1. Wireless Networks for 4G/5G Getting started with ns-3 Instructors: Sumit Roy and Tom Henderson TA: Collin Brady UW EE P 569/EE 595 B

  2. Summary Prospective students of EE 595 B are strongly encouraged to review the following material on the ns-3 network simulator prior to the first class on Thursday January 10. 1) this slide deck 2) the ns-3 tutorial, available online in two formats: HTML: https://www.nsnam.org/docs/tutorial/html/index.html PDF: https://www.nsnam.org/docs/tutorial/ns-3-tutorial.pdf ns-3 will be used as the tool for class projects, and about half of the homework assignments, so please ensure that you have some comfort level with the type of programming described in the ns-3 tutorial We will cover more details about ns-3 in the first lecture, but will not review all of the enclosed material

  3. What is ns-3? Software to build models of computer networks, to conduct performance evaluation studies such as the following Research question: What happens to indoor Wi-Fi performance if one were to co-locate an LTE system on the same or adjacent channel?

  4. What is ns-3? (cont.) ns-3 is a leading open source, packet-level network simulator oriented towards network research, featuring a high-performance core enabling parallelization across a cluster (for large scenarios), ability to run real code, and interaction with testbeds

  5. What is ns-3? (cont.) Packet-level network simulation: The main unit of modeling is the packet and entities that exchange packets. More abstraction Less abstraction More abstraction

  6. What you will need for EE 595 You will need to be able to build and run ns-3 programs on a personal computer (Linux, Mac, Windows) or a (Linux) workstation available in the ECE lab infrastructure The computer that you use should be a development or gaming-class machine for best results (otherwise, your compilation times could be lengthy) Approximately 5-10 GB of free space is recommended

  7. What you will need for EE 595 (cont.) If your machine is Linux-based, the install process will be the most straightforward If you have a Mac, you will need to install Xcode software development toolchain (from the App store), but otherwise, should be straightforward If you run Windows 10, there are a few options: Install the ‘Windows subsystem for Linux’ for Windows 10; this provides an Ubuntu-based Linux subsystem adequate for ECE 595 Install a Linux virtual machine using Hyper-V, VMware, or VirtualBox The Cygwin project (https://www.cygwin.com) should also work, although we haven’t tested in for a while

  8. What you should do next Once you decide upon which machine to try to use, read through the ns-3 tutorial, including trying to work the examples yourself if you have a machine available In the tutorial, where it provides options to obtain and install ns-3, please follow the instructions for Git, as we will be using Git in EE 595 Contact both Tom Henderson (tomhend@uw.edu) and Collin Brady (collinb@uw.edu) if you get stuck with any step in the tutorial, or need advice on a machine to use, even before the first class This includes any installation questions

  9. What you should do next (cont.) In EE 595, we will use a custom repository available at https://gitlab.com/tomhenderson/ns-3-ee-595.git instead of the main ns-3 development repository The following commands should work for you, to run the first tutorial program: $ mkdir workspace $ cd workspace $ git clone https://gitlab.com/tomhenderson/ns-3-ee-595.git $ cd ns-3-ee-595-b $ git checkout -b course origin/course $ ./waf configure --enable-examples --enable-tests $ ./waf build $ ./waf --run first

  10. Summary The ns-3 tutorial may take a couple of hours to work through In EE 595, we will use a modified repository that has additional wireless models compared to the mainline ns-3 Again, contact one of us to seek help if needed; we will start on Thursday assuming that everyone has given this a try

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