How To run OAI eNB (No S1) with USRP X310(1)

How To run OAI eNB (No S1) with USRP X310

1.Things need to be done

1.1 Install Ubuntu 14.04

1.1.1 Install a standard 32 or 64-bit 14.04 system

Nothing to tell. Note that, please install the system with networkin order to get some updates. Or, you may update your system manually.

Some commands may be: apt-get update, apt-get dist-upgrade.

1.1.2 Remove Power management

Remove all power management features inthe BIOS (sleep states, in particular C-states) and CPU frequency scaling(Intel SpeedStep).
Insome cases, you can also do this with cpufreqtool.

• check this using this command: watch grep \"cpu MHz\" /proc/cpuinfo
• have a look at this linkfor further information
• you may need to add intel_pstate=disable to the Linux boot options, i.e GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_pstate=disable" in /etc/default/grub, then perform update-grub

1.1.3 Lowlatency setup

To install Ubuntu 14.10 kernel 3.17 on topof Ubuntu 14.04, 64-bit architecture and lowlatency.

version=3.17

wget -r -e robots=off --accept-regex"(.*lowlatency.*amd64)|(all).deb" http://kernel.ubuntu.com/~kernel-ppa/mainline/v${version}-utopic/

dpkg -i kernel.ubuntu.com/*/*/*/*deb

After areboot, uname -a shouldgive the following output:

Linux [NAME] 3.17-lowlatency #201408132253 SMPPREEMPT Thu Aug 14 03:01:44 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

1.2 Install Useful software

In order to edit and analyze configuration filesand log files, you need also install some other software. Which are:

cmake, vim, eclipse, wireshark,ittianalyzer, subversion, git, (updating ……..)

As to wireshark & ittianalyzer, you canfollow this post to finish the installation and configure.

(https://twiki.eurecom.fr/twiki/bin/view/OpenAirInterface/IttiAnalyzer)

1.3 UHD installation

You can follow the ETTUS’s installationguide, or you can use the autobuild script provided by OpenLTE project.(
http://sourceforge.net/p/openlte/wiki/Installing%20OpenLTE/)

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As a non-root user, give the followingcommand:

mkdir gnuradio

cd gnurdio

wgethttp://www.sbrac.org/files/build-gnuradio

chmod a+x build-gnuradio

./build-gnuradio -v

You will be asked for the root passwordby the install script. The whole procedure can take up to 3 hours! It willdownload GNURadio , UHD and all the necessary dependencies.

Check the communication with your Ettus SDR:

Connect your SDR to one of the USB3 interfaces, and run:

uhd_usrp_probe

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