Open UMTS Manual
User Manual: Pdf
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USRP Hardware Driver
Linux:
Mac:
Windows Installers:
http://files.ettus.com/binaries/uhd/latest_release/
USB UHD driver:
http://files.ettus.com/binaries/misc/erllc_uhd_winusb_driver.zip
Command to find connected devices:
Properties of attached device:
USRP Technical Specifications:
http://www.ni.com/pdf/manuals/374925c.pdf
sudo apt-get install libuhd-dev libuhd003 uhd-host
sudo port install uhd
uhd_find_devices
uhd_usrp_probe
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OpenUMTS Installation
Source:
https://github.com/RangeNetworks/OpenBTS-UMTS
Dependencies:
Prerequisites:
We also need ASN.1 C compiler that turns the formal ASN.1
specifications into the C code.
OpenBTS uses the coredumper shared library to produce meaningful
debugging information if OpenBTS crashes:
OpenUMTS
sudo apt-get install libreadline6 libreadline6-dev libosip2-dev
https://github.com/vlm/asn1c.git
git clone https://github.com/RangeNetworks/libcoredumper.git
cd libcoredumper
sudo ./build.sh
sudo dpkg -i libcoredumper1_1.2.1-1_amd64.deb libcoredumper-
dev_1.2.1-1_amd64.deb
$ git clone https://github.com/RangeNetworks/OpenBTS-UMTS
$ cd OpenBTS-UMTS
$ git submodule init
$ git submodule update
$ sudo NodeManager/install_libzmq.sh
$ ./autogen.sh
$ ./configure
$ make
$ sudo make install
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To setup OpenBTS-UMTS, we may need to modify the settings such as
ARFCN, DNS, Firewall. Navigate to ~/OpenBTS-UMTS/apps folder and
open OpenBTS-UMTS.example.sql file with the preferable text
editor. You may need to edit following options:
•‘GGSN.DNS’ set to ‘8.8.8.8’ to enable Google DNS.
•‘GGSN.Firewall.Enable’ set to ‘0’ to disable Firewall.
•‘UMTS.Radio.Band’ – set the band you are going to use [1].
•‘UMTS.Radio.C0’ – set the UARFCN [2].
Now, we need to create folders and working database:
We also need to setup forwarding in iptables to properly forward
data between devices, host machine, and the Internet:
If you have Internet connection through the another interface (for
example, Wi-Fi), you need to change eth0 to the applicable one
(i.e., wlan0). Please note, that you need to setup forwarding in
iptables every time after you computer rebooted.
It’s important to install Subscriber Registry API and SIP
Authentication Server to be able to launch OpenBTS-UMTS.
Subscriber Registry controls database of subscriber information
and in fact works as HLR (Home Location Registry):
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$ sudo mkdir /var/log/OpenBTS-UMTS
$ cd /etc/OpenBTS
$ sudo sqlite3 /etc/OpenBTS/OpenBTS-UMTS.db “.read OpenBTS-UMTS.example.sql”
$ sudo cp TransceiverUHD/transceiver ~/OpenBTS-UMTS/
$ sudo cp TransceiverUHD/transceiver apps
$ sudo su
$ iptables -t nat -A POSTROUTING -j MASQUERADE -o eth0
$ echo 1 > /proc/sys/net/ipv4/ip_forward
$ exit
$ git clone https://github.com/RangeNetworks/subscriberRegistry.git
$ cd subscriberRegistry
$ git submodule init
$ git submodule update
$ sudo NodeManager/install_libzmq.sh
$ autoreconf -i
$ ./configure
$ make
$ sudo make install
$ sudo mkdir /var/lib/asterisk/
$ sudo mkdir /var/lib/asterisk/sqlite3dir/
$ sudo cp apps/comp128 ~/OpenBTS-UMTS/
$ sudo cp apps/comp128 ~/OpenBTS-UMTS/apps/
$ sudo cp apps/comp128 /OpenBTS
Let’s run OpenBTS-UMTS and Subscriber Registry:
References
[1] UMTS Frequencies (Spain) - https://wiki.bandaancha.st/
Frecuencias_telefon%C3%ADa_m%C3%B3vil
[2] UARFCN Calc. - http://niviuk.free.fr/umts_band.php
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$ cd OpenBTS-UMTS/apps
$ sudo ./OpenBTS-UMTS
$ cd subscriberRegistry/apps
$ sudo ./sipauthserve
